/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 12:22:04,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 12:22:04,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 12:22:04,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 12:22:04,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 12:22:04,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 12:22:04,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 12:22:04,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 12:22:04,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 12:22:04,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 12:22:04,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 12:22:04,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 12:22:04,844 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 12:22:04,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 12:22:04,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 12:22:04,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 12:22:04,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 12:22:04,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 12:22:04,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 12:22:04,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 12:22:04,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 12:22:04,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-28 12:22:04,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 12:22:04,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 12:22:04,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 12:22:04,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 12:22:04,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 12:22:04,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-28 12:22:04,865 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 12:22:05,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 12:22:05,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 12:22:05,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 12:22:05,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 12:22:05,045 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 12:22:05,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-28 12:22:05,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf75d54d/bff6b689364547999bf2358bcad17886/FLAG869db3449 [2022-04-28 12:22:05,452 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 12:22:05,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-28 12:22:05,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf75d54d/bff6b689364547999bf2358bcad17886/FLAG869db3449 [2022-04-28 12:22:05,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf75d54d/bff6b689364547999bf2358bcad17886 [2022-04-28 12:22:05,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 12:22:05,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 12:22:05,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 12:22:05,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 12:22:05,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 12:22:05,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f64f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05, skipping insertion in model container [2022-04-28 12:22:05,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 12:22:05,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 12:22:05,589 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/egcd2-ll_valuebound20.c[490,503] [2022-04-28 12:22:05,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 12:22:05,614 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 12:22:05,648 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/egcd2-ll_valuebound20.c[490,503] [2022-04-28 12:22:05,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 12:22:05,680 INFO L208 MainTranslator]: Completed translation [2022-04-28 12:22:05,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05 WrapperNode [2022-04-28 12:22:05,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 12:22:05,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 12:22:05,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 12:22:05,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 12:22:05,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 12:22:05,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 12:22:05,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 12:22:05,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 12:22:05,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (1/1) ... [2022-04-28 12:22:05,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 12:22:05,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:05,744 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) [2022-04-28 12:22:05,759 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 [2022-04-28 12:22:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 12:22:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 12:22:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 12:22:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 12:22:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 12:22:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-28 12:22:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 12:22:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 12:22:05,808 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 12:22:05,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 12:22:06,011 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 12:22:06,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 12:22:06,016 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-28 12:22:06,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:22:06 BoogieIcfgContainer [2022-04-28 12:22:06,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 12:22:06,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 12:22:06,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 12:22:06,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 12:22:06,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 12:22:05" (1/3) ... [2022-04-28 12:22:06,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bc2da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 12:22:06, skipping insertion in model container [2022-04-28 12:22:06,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 12:22:05" (2/3) ... [2022-04-28 12:22:06,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bc2da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 12:22:06, skipping insertion in model container [2022-04-28 12:22:06,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 12:22:06" (3/3) ... [2022-04-28 12:22:06,030 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2022-04-28 12:22:06,039 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 12:22:06,039 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 12:22:06,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 12:22:06,088 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@65556fab, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43518b54 [2022-04-28 12:22:06,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 12:22:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 20 states have (on average 1.45) internal successors, (29), 22 states have internal predecessors, (29), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-28 12:22:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-28 12:22:06,103 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:06,103 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:06,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:06,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:06,108 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-28 12:22:06,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:06,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [438750502] [2022-04-28 12:22:06,120 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:06,120 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-28 12:22:06,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:06,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285525560] [2022-04-28 12:22:06,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:06,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 12:22:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,294 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {43#true} is VALID [2022-04-28 12:22:06,294 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-28 12:22:06,294 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-28 12:22:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-28 12:22:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,301 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,303 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-28 12:22:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-28 12:22:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,315 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,318 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,318 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-28 12:22:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-28 12:22:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,329 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,329 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,330 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,330 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-28 12:22:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-28 12:22:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,337 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,338 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,338 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,338 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-28 12:22:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-28 12:22:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,345 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,346 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,346 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,346 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-28 12:22:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-28 12:22:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:06,356 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,359 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-28 12:22:06,359 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} call ULTIMATE.init(); {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 12:22:06,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {43#true} is VALID [2022-04-28 12:22:06,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-28 12:22:06,360 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-28 12:22:06,360 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-28 12:22:06,360 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {43#true} is VALID [2022-04-28 12:22:06,361 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,362 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,362 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,363 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-28 12:22:06,363 INFO L290 TraceCheckUtils]: 11: Hoare triple {44#false} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {44#false} is VALID [2022-04-28 12:22:06,363 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,363 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,364 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,364 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,364 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-28 12:22:06,364 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,365 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,365 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,365 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,366 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-28 12:22:06,366 INFO L272 TraceCheckUtils]: 22: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,366 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,379 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,380 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,380 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-28 12:22:06,380 INFO L290 TraceCheckUtils]: 27: Hoare triple {44#false} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {44#false} is VALID [2022-04-28 12:22:06,380 INFO L272 TraceCheckUtils]: 28: Hoare triple {44#false} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,380 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,381 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,381 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,381 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-28 12:22:06,381 INFO L272 TraceCheckUtils]: 33: Hoare triple {44#false} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {43#true} is VALID [2022-04-28 12:22:06,381 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-28 12:22:06,382 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-28 12:22:06,382 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-28 12:22:06,382 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-28 12:22:06,382 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-28 12:22:06,382 INFO L272 TraceCheckUtils]: 39: Hoare triple {44#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {44#false} is VALID [2022-04-28 12:22:06,383 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-28 12:22:06,383 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-28 12:22:06,383 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-28 12:22:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-28 12:22:06,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:22:06,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285525560] [2022-04-28 12:22:06,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285525560] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:06,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:06,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 12:22:06,386 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:22:06,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [438750502] [2022-04-28 12:22:06,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [438750502] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:06,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:06,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 12:22:06,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256861739] [2022-04-28 12:22:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:22:06,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-28 12:22:06,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:22:06,393 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:06,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:06,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 12:22:06,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:06,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 12:22:06,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 12:22:06,448 INFO L87 Difference]: Start difference. First operand has 40 states, 20 states have (on average 1.45) internal successors, (29), 22 states have internal predecessors, (29), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:06,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:06,621 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-28 12:22:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 12:22:06,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-28 12:22:06,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:22:06,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-28 12:22:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-28 12:22:06,650 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-28 12:22:06,766 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:06,772 INFO L225 Difference]: With dead ends: 73 [2022-04-28 12:22:06,773 INFO L226 Difference]: Without dead ends: 35 [2022-04-28 12:22:06,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 12:22:06,777 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:22:06,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 12:22:06,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-28 12:22:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-28 12:22:06,813 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:22:06,814 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:06,815 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:06,816 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:06,826 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-28 12:22:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-28 12:22:06,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:06,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:06,828 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 35 states. [2022-04-28 12:22:06,828 INFO L87 Difference]: Start difference. First operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 35 states. [2022-04-28 12:22:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:06,836 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-28 12:22:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-28 12:22:06,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:06,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:06,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:22:06,837 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:22:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-28 12:22:06,841 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-28 12:22:06,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:22:06,841 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-28 12:22:06,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:06,841 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-28 12:22:06,883 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-28 12:22:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-28 12:22:06,884 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:06,884 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:06,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 12:22:06,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:06,885 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-28 12:22:06,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:06,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [857913691] [2022-04-28 12:22:06,885 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:06,885 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-28 12:22:06,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:06,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368652281] [2022-04-28 12:22:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:06,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:06,906 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:22:06,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936214580] [2022-04-28 12:22:06,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:22:06,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:06,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:06,931 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) [2022-04-28 12:22:06,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 12:22:06,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:22:06,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:22:06,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 12:22:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:07,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:22:07,213 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-28 12:22:07,213 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {361#true} is VALID [2022-04-28 12:22:07,213 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,214 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-28 12:22:07,214 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-28 12:22:07,214 INFO L290 TraceCheckUtils]: 5: Hoare triple {361#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {361#true} is VALID [2022-04-28 12:22:07,214 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,214 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,214 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,214 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,214 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-28 12:22:07,215 INFO L290 TraceCheckUtils]: 11: Hoare triple {361#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {361#true} is VALID [2022-04-28 12:22:07,215 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,215 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,215 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,215 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,215 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-28 12:22:07,215 INFO L272 TraceCheckUtils]: 17: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,216 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,216 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,218 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,218 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-28 12:22:07,218 INFO L272 TraceCheckUtils]: 22: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,218 INFO L290 TraceCheckUtils]: 23: Hoare triple {361#true} ~cond := #in~cond; {435#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 12:22:07,219 INFO L290 TraceCheckUtils]: 24: Hoare triple {435#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:22:07,219 INFO L290 TraceCheckUtils]: 25: Hoare triple {439#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:22:07,220 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {439#(not (= |assume_abort_if_not_#in~cond| 0))} {361#true} #85#return; {446#(<= 1 main_~y~0)} is VALID [2022-04-28 12:22:07,221 INFO L290 TraceCheckUtils]: 27: Hoare triple {446#(<= 1 main_~y~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,221 INFO L272 TraceCheckUtils]: 28: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,221 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,221 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,223 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,224 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,225 INFO L272 TraceCheckUtils]: 33: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,227 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,227 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,231 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,232 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,232 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,233 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-28 12:22:07,233 INFO L272 TraceCheckUtils]: 40: Hoare triple {362#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {362#false} is VALID [2022-04-28 12:22:07,233 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-28 12:22:07,233 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-28 12:22:07,233 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-28 12:22:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-28 12:22:07,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:22:07,468 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-28 12:22:07,468 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-28 12:22:07,468 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-28 12:22:07,470 INFO L272 TraceCheckUtils]: 40: Hoare triple {362#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {362#false} is VALID [2022-04-28 12:22:07,470 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-28 12:22:07,470 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,472 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,472 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,479 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,480 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,480 INFO L272 TraceCheckUtils]: 33: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,481 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,481 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,481 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,481 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,481 INFO L272 TraceCheckUtils]: 28: Hoare triple {450#(<= 1 main_~b~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,482 INFO L290 TraceCheckUtils]: 27: Hoare triple {446#(<= 1 main_~y~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {450#(<= 1 main_~b~0)} is VALID [2022-04-28 12:22:07,482 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {439#(not (= |assume_abort_if_not_#in~cond| 0))} {361#true} #85#return; {446#(<= 1 main_~y~0)} is VALID [2022-04-28 12:22:07,483 INFO L290 TraceCheckUtils]: 25: Hoare triple {439#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:22:07,483 INFO L290 TraceCheckUtils]: 24: Hoare triple {559#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} assume !(0 == ~cond); {439#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:22:07,483 INFO L290 TraceCheckUtils]: 23: Hoare triple {361#true} ~cond := #in~cond; {559#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-28 12:22:07,484 INFO L272 TraceCheckUtils]: 22: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,484 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,484 INFO L272 TraceCheckUtils]: 17: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,484 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,484 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,485 INFO L290 TraceCheckUtils]: 11: Hoare triple {361#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-28 12:22:07,485 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-28 12:22:07,485 INFO L290 TraceCheckUtils]: 5: Hoare triple {361#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {361#true} is VALID [2022-04-28 12:22:07,485 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-28 12:22:07,486 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-28 12:22:07,486 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-28 12:22:07,486 INFO L290 TraceCheckUtils]: 1: Hoare triple {361#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {361#true} is VALID [2022-04-28 12:22:07,486 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-28 12:22:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-28 12:22:07,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:22:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368652281] [2022-04-28 12:22:07,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:22:07,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936214580] [2022-04-28 12:22:07,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936214580] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:22:07,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:22:07,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-28 12:22:07,489 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:22:07,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [857913691] [2022-04-28 12:22:07,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [857913691] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:07,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:07,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 12:22:07,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366693719] [2022-04-28 12:22:07,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:22:07,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-04-28 12:22:07,491 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:22:07,491 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:07,511 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:07,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 12:22:07,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 12:22:07,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-28 12:22:07,513 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:07,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:07,756 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-28 12:22:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 12:22:07,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-04-28 12:22:07,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:22:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-28 12:22:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-28 12:22:07,761 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-28 12:22:07,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:07,813 INFO L225 Difference]: With dead ends: 52 [2022-04-28 12:22:07,813 INFO L226 Difference]: Without dead ends: 44 [2022-04-28 12:22:07,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-04-28 12:22:07,815 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 19 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 12:22:07,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 128 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 12:22:07,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-28 12:22:07,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-28 12:22:07,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:22:07,832 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:07,832 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:07,832 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:07,835 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-28 12:22:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-28 12:22:07,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:07,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:07,836 INFO L74 IsIncluded]: Start isIncluded. First operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 44 states. [2022-04-28 12:22:07,836 INFO L87 Difference]: Start difference. First operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand 44 states. [2022-04-28 12:22:07,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:07,854 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-28 12:22:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-28 12:22:07,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:07,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:07,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:22:07,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:22:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 14 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 12:22:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-28 12:22:07,859 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-28 12:22:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:22:07,859 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-28 12:22:07,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-28 12:22:07,859 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-28 12:22:07,898 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:07,898 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-28 12:22:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-28 12:22:07,902 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:07,905 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:07,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 12:22:08,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:08,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-28 12:22:08,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:08,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [426317356] [2022-04-28 12:22:08,121 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-28 12:22:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:08,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561637215] [2022-04-28 12:22:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:08,153 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:22:08,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143912098] [2022-04-28 12:22:08,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:22:08,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:08,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:08,167 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) [2022-04-28 12:22:08,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 12:22:08,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-28 12:22:08,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:22:08,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-28 12:22:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:08,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:22:08,348 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-28 12:22:08,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {901#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {901#true} is VALID [2022-04-28 12:22:08,349 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,349 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-28 12:22:08,349 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 5: Hoare triple {901#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L272 TraceCheckUtils]: 6: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 11: Hoare triple {901#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L272 TraceCheckUtils]: 12: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,350 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,350 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-28 12:22:08,351 INFO L272 TraceCheckUtils]: 17: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,351 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,351 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,352 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,352 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-28 12:22:08,352 INFO L272 TraceCheckUtils]: 22: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,352 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,352 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,352 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,352 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-28 12:22:08,352 INFO L290 TraceCheckUtils]: 27: Hoare triple {901#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L272 TraceCheckUtils]: 28: Hoare triple {901#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L272 TraceCheckUtils]: 33: Hoare triple {901#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-28 12:22:08,353 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-28 12:22:08,354 INFO L290 TraceCheckUtils]: 39: Hoare triple {901#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} is VALID [2022-04-28 12:22:08,354 INFO L290 TraceCheckUtils]: 40: Hoare triple {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} assume !false; {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} is VALID [2022-04-28 12:22:08,355 INFO L272 TraceCheckUtils]: 41: Hoare triple {1023#(and (= main_~c~0 main_~a~0) (= main_~k~0 0) (not (= main_~b~0 0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:22:08,355 INFO L290 TraceCheckUtils]: 42: Hoare triple {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1034#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:08,355 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-28 12:22:08,355 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-28 12:22:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-28 12:22:08,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 12:22:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:22:08,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561637215] [2022-04-28 12:22:08,356 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:22:08,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143912098] [2022-04-28 12:22:08,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143912098] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:08,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:08,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:08,357 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:22:08,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [426317356] [2022-04-28 12:22:08,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [426317356] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:08,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:08,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:08,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341975303] [2022-04-28 12:22:08,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:22:08,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2022-04-28 12:22:08,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:22:08,360 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-28 12:22:08,377 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:08,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 12:22:08,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:08,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 12:22:08,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 12:22:08,378 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-28 12:22:08,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:08,566 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-28 12:22:08,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 12:22:08,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2022-04-28 12:22:08,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:22:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-28 12:22:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-28 12:22:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-28 12:22:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-28 12:22:08,570 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-28 12:22:08,619 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:08,621 INFO L225 Difference]: With dead ends: 50 [2022-04-28 12:22:08,621 INFO L226 Difference]: Without dead ends: 48 [2022-04-28 12:22:08,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 12:22:08,622 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:22:08,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 154 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 12:22:08,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-28 12:22:08,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-28 12:22:08,655 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:22:08,655 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 12:22:08,655 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 12:22:08,655 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 12:22:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:08,657 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-28 12:22:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-28 12:22:08,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:08,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:08,658 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) Second operand 48 states. [2022-04-28 12:22:08,658 INFO L87 Difference]: Start difference. First operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) Second operand 48 states. [2022-04-28 12:22:08,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:08,660 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-28 12:22:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-28 12:22:08,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:08,660 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:08,660 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:22:08,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:22:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 15 states have call successors, (15), 5 states have call predecessors, (15), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 12:22:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-28 12:22:08,662 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-28 12:22:08,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:22:08,662 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-28 12:22:08,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-28 12:22:08,662 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-28 12:22:08,708 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-28 12:22:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-28 12:22:08,709 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:08,709 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:08,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 12:22:08,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-28 12:22:08,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:08,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:08,928 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-28 12:22:08,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:08,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1144571777] [2022-04-28 12:22:08,928 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:08,929 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-28 12:22:08,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:08,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147804500] [2022-04-28 12:22:08,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:08,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:08,948 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:22:08,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652632556] [2022-04-28 12:22:08,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:22:08,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:08,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:08,949 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) [2022-04-28 12:22:08,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 12:22:09,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:22:09,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:22:09,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-28 12:22:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:09,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:22:11,387 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-28 12:22:11,387 INFO L290 TraceCheckUtils]: 1: Hoare triple {1324#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {1324#true} is VALID [2022-04-28 12:22:11,387 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L290 TraceCheckUtils]: 5: Hoare triple {1324#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L272 TraceCheckUtils]: 6: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-28 12:22:11,388 INFO L290 TraceCheckUtils]: 11: Hoare triple {1324#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L272 TraceCheckUtils]: 17: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,389 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L272 TraceCheckUtils]: 22: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,390 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-28 12:22:11,391 INFO L290 TraceCheckUtils]: 27: Hoare triple {1324#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,391 INFO L272 TraceCheckUtils]: 28: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,391 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,391 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,391 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,392 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,392 INFO L272 TraceCheckUtils]: 33: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,392 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,392 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,393 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,393 INFO L290 TraceCheckUtils]: 38: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,394 INFO L290 TraceCheckUtils]: 39: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,394 INFO L290 TraceCheckUtils]: 40: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,394 INFO L272 TraceCheckUtils]: 41: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1324#true} is VALID [2022-04-28 12:22:11,394 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-28 12:22:11,394 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-28 12:22:11,395 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-28 12:22:11,395 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {1324#true} {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:22:11,396 INFO L272 TraceCheckUtils]: 46: Hoare triple {1410#(and (= main_~r~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:22:11,396 INFO L290 TraceCheckUtils]: 47: Hoare triple {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1472#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:11,397 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-28 12:22:11,397 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-28 12:22:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-28 12:22:11,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 12:22:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:22:11,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147804500] [2022-04-28 12:22:11,397 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:22:11,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652632556] [2022-04-28 12:22:11,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652632556] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:11,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:11,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:11,398 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:22:11,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1144571777] [2022-04-28 12:22:11,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1144571777] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:11,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:11,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:11,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555841146] [2022-04-28 12:22:11,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:22:11,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-04-28 12:22:11,399 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:22:11,400 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-28 12:22:11,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:11,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 12:22:11,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 12:22:11,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 12:22:11,431 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-28 12:22:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:11,631 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-28 12:22:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 12:22:11,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-04-28 12:22:11,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:22:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-28 12:22:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-28 12:22:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-28 12:22:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-28 12:22:11,639 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-28 12:22:11,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:11,697 INFO L225 Difference]: With dead ends: 58 [2022-04-28 12:22:11,697 INFO L226 Difference]: Without dead ends: 56 [2022-04-28 12:22:11,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 12:22:11,699 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 7 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:22:11,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 161 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 12:22:11,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-28 12:22:11,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-28 12:22:11,740 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:22:11,741 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:11,742 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:11,742 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:11,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:11,746 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-28 12:22:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-28 12:22:11,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:11,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:11,748 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 56 states. [2022-04-28 12:22:11,748 INFO L87 Difference]: Start difference. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 56 states. [2022-04-28 12:22:11,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:11,751 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-28 12:22:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-28 12:22:11,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:11,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:11,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:22:11,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:22:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 32 states have internal predecessors, (33), 20 states have call successors, (20), 6 states have call predecessors, (20), 5 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-28 12:22:11,757 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-28 12:22:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:22:11,757 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-28 12:22:11,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-04-28 12:22:11,757 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-28 12:22:11,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-28 12:22:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-28 12:22:11,834 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:11,834 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:11,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-28 12:22:12,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:12,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:12,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-28 12:22:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:12,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [332259500] [2022-04-28 12:22:12,057 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-28 12:22:12,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:12,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603149729] [2022-04-28 12:22:12,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:12,072 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:22:12,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339687781] [2022-04-28 12:22:12,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:22:12,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:12,084 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) [2022-04-28 12:22:12,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 12:22:12,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:22:12,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:22:12,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-28 12:22:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:12,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:22:16,392 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 1: Hoare triple {1818#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 5: Hoare triple {1818#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L272 TraceCheckUtils]: 6: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 11: Hoare triple {1818#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L272 TraceCheckUtils]: 12: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,393 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L272 TraceCheckUtils]: 17: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L272 TraceCheckUtils]: 22: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,394 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-28 12:22:16,395 INFO L290 TraceCheckUtils]: 27: Hoare triple {1818#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,395 INFO L272 TraceCheckUtils]: 28: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,395 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,395 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,395 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,396 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #87#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,396 INFO L272 TraceCheckUtils]: 33: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,396 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,396 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,396 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,397 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #89#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,397 INFO L290 TraceCheckUtils]: 38: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !false; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,397 INFO L290 TraceCheckUtils]: 39: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,398 INFO L290 TraceCheckUtils]: 40: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} assume !false; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,398 INFO L272 TraceCheckUtils]: 41: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,398 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,398 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,398 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,399 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #91#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,399 INFO L272 TraceCheckUtils]: 46: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {1818#true} is VALID [2022-04-28 12:22:16,399 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-28 12:22:16,399 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-28 12:22:16,399 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-28 12:22:16,400 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1818#true} {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} #93#return; {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-28 12:22:16,400 INFO L272 TraceCheckUtils]: 51: Hoare triple {1904#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:22:16,401 INFO L290 TraceCheckUtils]: 52: Hoare triple {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1981#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:16,401 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-28 12:22:16,401 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-28 12:22:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-04-28 12:22:16,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 12:22:16,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:22:16,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603149729] [2022-04-28 12:22:16,402 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:22:16,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339687781] [2022-04-28 12:22:16,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339687781] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:16,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:16,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:16,402 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:22:16,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [332259500] [2022-04-28 12:22:16,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [332259500] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:22:16,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:22:16,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:22:16,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544170496] [2022-04-28 12:22:16,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:22:16,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2022-04-28 12:22:16,403 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:22:16,403 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-28 12:22:16,428 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:16,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 12:22:16,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 12:22:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 12:22:16,429 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-28 12:22:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:16,716 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-28 12:22:16,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 12:22:16,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2022-04-28 12:22:16,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:22:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-28 12:22:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-28 12:22:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-28 12:22:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-28 12:22:16,732 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-28 12:22:16,789 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:16,790 INFO L225 Difference]: With dead ends: 62 [2022-04-28 12:22:16,790 INFO L226 Difference]: Without dead ends: 60 [2022-04-28 12:22:16,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 12:22:16,790 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:22:16,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 12:22:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-28 12:22:16,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-28 12:22:16,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:22:16,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:16,831 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:16,831 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:16,835 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-28 12:22:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-28 12:22:16,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:16,836 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:16,836 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 60 states. [2022-04-28 12:22:16,836 INFO L87 Difference]: Start difference. First operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 60 states. [2022-04-28 12:22:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:22:16,838 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-28 12:22:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-28 12:22:16,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:22:16,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:22:16,840 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:22:16,840 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:22:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:22:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-28 12:22:16,842 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-28 12:22:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:22:16,843 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-28 12:22:16,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-04-28 12:22:16,843 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-28 12:22:16,911 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:22:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-28 12:22:16,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-28 12:22:16,912 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:22:16,913 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:22:16,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-28 12:22:17,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:17,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:22:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:22:17,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-28 12:22:17,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:22:17,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [326953478] [2022-04-28 12:22:17,127 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:22:17,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-28 12:22:17,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:22:17,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785259641] [2022-04-28 12:22:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:22:17,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:22:17,140 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:22:17,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166478588] [2022-04-28 12:22:17,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:22:17,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:22:17,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:22:17,152 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) [2022-04-28 12:22:17,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 12:22:17,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:22:17,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:22:17,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-28 12:22:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:22:17,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:22:20,834 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 1: Hoare triple {2351#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 5: Hoare triple {2351#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L272 TraceCheckUtils]: 6: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 11: Hoare triple {2351#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L272 TraceCheckUtils]: 12: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,835 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L272 TraceCheckUtils]: 17: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L272 TraceCheckUtils]: 22: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,836 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,837 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-28 12:22:20,837 INFO L290 TraceCheckUtils]: 27: Hoare triple {2351#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,837 INFO L272 TraceCheckUtils]: 28: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,837 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,837 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,837 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,838 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #87#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,838 INFO L272 TraceCheckUtils]: 33: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,838 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,838 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,838 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,839 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #89#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,839 INFO L290 TraceCheckUtils]: 38: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !false; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,840 INFO L290 TraceCheckUtils]: 39: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,840 INFO L290 TraceCheckUtils]: 40: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} assume !false; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,840 INFO L272 TraceCheckUtils]: 41: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,840 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-28 12:22:20,840 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-28 12:22:20,840 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-28 12:22:20,841 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2351#true} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #91#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,841 INFO L272 TraceCheckUtils]: 46: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,841 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:20,842 INFO L290 TraceCheckUtils]: 48: Hoare triple {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:22:20,842 INFO L290 TraceCheckUtils]: 49: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:22:20,843 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #93#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,843 INFO L272 TraceCheckUtils]: 51: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2351#true} is VALID [2022-04-28 12:22:20,843 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:20,843 INFO L290 TraceCheckUtils]: 53: Hoare triple {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:22:20,844 INFO L290 TraceCheckUtils]: 54: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:22:20,844 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} #95#return; {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} is VALID [2022-04-28 12:22:20,845 INFO L272 TraceCheckUtils]: 56: Hoare triple {2437#(and (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:22:20,846 INFO L290 TraceCheckUtils]: 57: Hoare triple {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2531#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:22:20,846 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-28 12:22:20,846 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-28 12:22:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-28 12:22:20,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:23:14,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:23:14,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785259641] [2022-04-28 12:23:14,717 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:23:14,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166478588] [2022-04-28 12:23:14,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166478588] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 12:23:14,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 12:23:14,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-28 12:23:14,717 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:23:14,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [326953478] [2022-04-28 12:23:14,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [326953478] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:23:14,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:23:14,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-28 12:23:14,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376496651] [2022-04-28 12:23:14,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:23:14,718 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-04-28 12:23:14,718 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:23:14,718 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-28 12:23:14,762 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:14,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-28 12:23:14,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-28 12:23:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-28 12:23:14,763 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-28 12:23:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:15,152 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-28 12:23:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-28 12:23:15,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-04-28 12:23:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:23:15,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-28 12:23:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-28 12:23:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-28 12:23:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-28 12:23:15,154 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-28 12:23:15,204 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:15,205 INFO L225 Difference]: With dead ends: 66 [2022-04-28 12:23:15,205 INFO L226 Difference]: Without dead ends: 64 [2022-04-28 12:23:15,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-28 12:23:15,206 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 11 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 12:23:15,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 164 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 12:23:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-28 12:23:15,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-28 12:23:15,264 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:23:15,265 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:23:15,265 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:23:15,265 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:23:15,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:15,267 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-28 12:23:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-28 12:23:15,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:15,267 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:15,267 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 64 states. [2022-04-28 12:23:15,267 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 64 states. [2022-04-28 12:23:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:15,269 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-28 12:23:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-28 12:23:15,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:15,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:15,269 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:23:15,269 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:23:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 20 states have call successors, (20), 8 states have call predecessors, (20), 7 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-28 12:23:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-28 12:23:15,271 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-28 12:23:15,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:23:15,271 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-28 12:23:15,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-04-28 12:23:15,271 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-28 12:23:15,350 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-28 12:23:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-28 12:23:15,350 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:23:15,350 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:23:15,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-28 12:23:15,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:15,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:23:15,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:23:15,551 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-28 12:23:15,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:15,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [822485526] [2022-04-28 12:23:15,552 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:23:15,552 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-28 12:23:15,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:23:15,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777602692] [2022-04-28 12:23:15,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:23:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:23:15,571 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:23:15,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584157990] [2022-04-28 12:23:15,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:23:15,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:15,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:23:15,585 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) [2022-04-28 12:23:15,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 12:23:15,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:23:15,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:23:15,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-28 12:23:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:23:15,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:23:15,839 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L290 TraceCheckUtils]: 1: Hoare triple {2944#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L290 TraceCheckUtils]: 5: Hoare triple {2944#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,839 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 11: Hoare triple {2944#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L272 TraceCheckUtils]: 17: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,840 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L272 TraceCheckUtils]: 22: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 27: Hoare triple {2944#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L272 TraceCheckUtils]: 28: Hoare triple {2944#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-28 12:23:15,841 INFO L272 TraceCheckUtils]: 33: Hoare triple {2944#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,842 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,842 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,842 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,842 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-28 12:23:15,842 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-28 12:23:15,845 INFO L290 TraceCheckUtils]: 39: Hoare triple {2944#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,845 INFO L290 TraceCheckUtils]: 40: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} assume !false; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,845 INFO L272 TraceCheckUtils]: 41: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,845 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,845 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,845 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,846 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #91#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,846 INFO L272 TraceCheckUtils]: 46: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,846 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,846 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,846 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,847 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #93#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,847 INFO L272 TraceCheckUtils]: 51: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,847 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,847 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,847 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,848 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #95#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,848 INFO L272 TraceCheckUtils]: 56: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:15,848 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:15,848 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:15,848 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:15,849 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {2944#true} {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} #97#return; {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} is VALID [2022-04-28 12:23:15,849 INFO L290 TraceCheckUtils]: 61: Hoare triple {3066#(and (= main_~c~0 main_~a~0) (= main_~k~0 0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} is VALID [2022-04-28 12:23:15,850 INFO L290 TraceCheckUtils]: 62: Hoare triple {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} assume !false; {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} is VALID [2022-04-28 12:23:15,850 INFO L272 TraceCheckUtils]: 63: Hoare triple {3133#(and (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:15,851 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:15,851 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-28 12:23:15,851 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-28 12:23:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-04-28 12:23:15,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:23:16,057 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-28 12:23:16,058 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-28 12:23:16,058 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:16,059 INFO L272 TraceCheckUtils]: 63: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:16,059 INFO L290 TraceCheckUtils]: 62: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !false; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,060 INFO L290 TraceCheckUtils]: 61: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,061 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #97#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,061 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,061 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,061 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,061 INFO L272 TraceCheckUtils]: 56: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,062 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #95#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,062 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,062 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,062 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,062 INFO L272 TraceCheckUtils]: 51: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,063 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #93#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,063 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,063 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,063 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,063 INFO L272 TraceCheckUtils]: 46: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,067 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2944#true} {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} #91#return; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,067 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,067 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,067 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,067 INFO L272 TraceCheckUtils]: 41: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,067 INFO L290 TraceCheckUtils]: 40: Hoare triple {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} assume !false; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,067 INFO L290 TraceCheckUtils]: 39: Hoare triple {2944#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3160#(= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L272 TraceCheckUtils]: 33: Hoare triple {2944#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L272 TraceCheckUtils]: 28: Hoare triple {2944#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 27: Hoare triple {2944#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-28 12:23:16,068 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L272 TraceCheckUtils]: 22: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L272 TraceCheckUtils]: 17: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 11: Hoare triple {2944#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-28 12:23:16,069 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L290 TraceCheckUtils]: 5: Hoare triple {2944#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L290 TraceCheckUtils]: 1: Hoare triple {2944#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-28 12:23:16,070 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-28 12:23:16,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:23:16,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777602692] [2022-04-28 12:23:16,071 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:23:16,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584157990] [2022-04-28 12:23:16,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584157990] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-28 12:23:16,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-28 12:23:16,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-28 12:23:16,071 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:23:16,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [822485526] [2022-04-28 12:23:16,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [822485526] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:23:16,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:23:16,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:23:16,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389384315] [2022-04-28 12:23:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:23:16,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-04-28 12:23:16,072 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:23:16,072 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-28 12:23:16,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:16,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 12:23:16,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:16,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 12:23:16,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-28 12:23:16,101 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-28 12:23:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:16,258 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-28 12:23:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 12:23:16,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2022-04-28 12:23:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:23:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-28 12:23:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-28 12:23:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-28 12:23:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-28 12:23:16,260 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-28 12:23:16,296 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:16,297 INFO L225 Difference]: With dead ends: 69 [2022-04-28 12:23:16,297 INFO L226 Difference]: Without dead ends: 67 [2022-04-28 12:23:16,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-28 12:23:16,298 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 6 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:23:16,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 137 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 12:23:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-28 12:23:16,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-28 12:23:16,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:23:16,331 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-28 12:23:16,331 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-28 12:23:16,331 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-28 12:23:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:16,333 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-28 12:23:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-28 12:23:16,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:16,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:16,334 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand 67 states. [2022-04-28 12:23:16,334 INFO L87 Difference]: Start difference. First operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand 67 states. [2022-04-28 12:23:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:16,336 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-28 12:23:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-28 12:23:16,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:16,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:16,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:23:16,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:23:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 18 states have call successors, (18), 8 states have call predecessors, (18), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-28 12:23:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-28 12:23:16,338 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-28 12:23:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:23:16,339 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-28 12:23:16,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-04-28 12:23:16,339 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-28 12:23:16,420 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-28 12:23:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-28 12:23:16,421 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:23:16,421 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:23:16,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-28 12:23:16,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:16,621 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:23:16,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:23:16,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-28 12:23:16,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:16,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [773516476] [2022-04-28 12:23:16,622 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:23:16,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-28 12:23:16,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:23:16,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808653641] [2022-04-28 12:23:16,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:23:16,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:23:16,638 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:23:16,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674437213] [2022-04-28 12:23:16,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:23:16,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:23:16,656 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) [2022-04-28 12:23:16,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 12:23:16,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:23:16,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:23:16,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-28 12:23:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:23:16,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:23:16,920 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-28 12:23:16,921 INFO L290 TraceCheckUtils]: 1: Hoare triple {3744#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {3744#true} is VALID [2022-04-28 12:23:16,921 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,926 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-28 12:23:16,926 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-28 12:23:16,926 INFO L290 TraceCheckUtils]: 5: Hoare triple {3744#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {3744#true} is VALID [2022-04-28 12:23:16,927 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,927 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,927 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 11: Hoare triple {3744#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L272 TraceCheckUtils]: 17: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,930 INFO L290 TraceCheckUtils]: 18: Hoare triple {3744#true} ~cond := #in~cond; {3803#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 12:23:16,931 INFO L290 TraceCheckUtils]: 19: Hoare triple {3803#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:16,931 INFO L290 TraceCheckUtils]: 20: Hoare triple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:16,931 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} {3744#true} #83#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:16,932 INFO L272 TraceCheckUtils]: 22: Hoare triple {3814#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 27: Hoare triple {3814#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:16,932 INFO L272 TraceCheckUtils]: 28: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,932 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:16,933 INFO L272 TraceCheckUtils]: 33: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,933 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 39: Hoare triple {3833#(<= 1 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,934 INFO L272 TraceCheckUtils]: 41: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,934 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,935 INFO L272 TraceCheckUtils]: 46: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,935 INFO L272 TraceCheckUtils]: 51: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,935 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,936 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,936 INFO L272 TraceCheckUtils]: 56: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:16,936 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:16,936 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:16,936 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:16,936 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 62: Hoare triple {3870#(<= 1 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {3940#(<= 1 main_~b~0)} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-28 12:23:16,937 INFO L272 TraceCheckUtils]: 65: Hoare triple {3745#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {3745#false} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-28 12:23:16,937 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-28 12:23:16,938 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-28 12:23:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-28 12:23:16,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:23:17,154 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-28 12:23:17,155 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-28 12:23:17,155 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-28 12:23:17,155 INFO L272 TraceCheckUtils]: 65: Hoare triple {3745#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {3745#false} is VALID [2022-04-28 12:23:17,155 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-28 12:23:17,155 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-28 12:23:17,156 INFO L290 TraceCheckUtils]: 62: Hoare triple {3870#(<= 1 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {3940#(<= 1 main_~b~0)} is VALID [2022-04-28 12:23:17,156 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,157 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,157 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,157 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,157 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,157 INFO L272 TraceCheckUtils]: 56: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,158 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L272 TraceCheckUtils]: 51: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,158 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,158 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,159 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,159 INFO L272 TraceCheckUtils]: 46: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,160 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,160 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,160 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,160 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,160 INFO L272 TraceCheckUtils]: 41: Hoare triple {3870#(<= 1 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,160 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,161 INFO L290 TraceCheckUtils]: 39: Hoare triple {3833#(<= 1 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {3870#(<= 1 main_~c~0)} is VALID [2022-04-28 12:23:17,161 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:17,161 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:17,161 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,161 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,161 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,162 INFO L272 TraceCheckUtils]: 33: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,162 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:17,162 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,162 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,162 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,162 INFO L272 TraceCheckUtils]: 28: Hoare triple {3833#(<= 1 main_~a~0)} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,163 INFO L290 TraceCheckUtils]: 27: Hoare triple {3814#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {3833#(<= 1 main_~a~0)} is VALID [2022-04-28 12:23:17,163 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:17,163 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,163 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,163 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,163 INFO L272 TraceCheckUtils]: 22: Hoare triple {3814#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,164 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} {3744#true} #83#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:17,164 INFO L290 TraceCheckUtils]: 20: Hoare triple {3807#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:17,164 INFO L290 TraceCheckUtils]: 19: Hoare triple {4109#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} assume !(0 == ~cond); {3807#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:17,164 INFO L290 TraceCheckUtils]: 18: Hoare triple {3744#true} ~cond := #in~cond; {4109#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-28 12:23:17,165 INFO L272 TraceCheckUtils]: 17: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 11: Hoare triple {3744#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-28 12:23:17,165 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {3744#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L290 TraceCheckUtils]: 1: Hoare triple {3744#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-28 12:23:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-28 12:23:17,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:23:17,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808653641] [2022-04-28 12:23:17,166 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:23:17,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674437213] [2022-04-28 12:23:17,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674437213] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:23:17,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:23:17,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-28 12:23:17,167 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:23:17,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [773516476] [2022-04-28 12:23:17,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [773516476] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:23:17,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:23:17,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-28 12:23:17,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927860094] [2022-04-28 12:23:17,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:23:17,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 69 [2022-04-28 12:23:17,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:23:17,168 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-28 12:23:17,194 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:17,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 12:23:17,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:17,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 12:23:17,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-28 12:23:17,195 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-28 12:23:17,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:17,851 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-28 12:23:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 12:23:17,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 69 [2022-04-28 12:23:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:23:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-28 12:23:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-28 12:23:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-28 12:23:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-28 12:23:17,855 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-28 12:23:17,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:17,952 INFO L225 Difference]: With dead ends: 106 [2022-04-28 12:23:17,952 INFO L226 Difference]: Without dead ends: 98 [2022-04-28 12:23:17,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-04-28 12:23:17,952 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 30 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 12:23:17,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 259 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 12:23:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-28 12:23:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-28 12:23:18,065 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:23:18,066 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-28 12:23:18,066 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-28 12:23:18,066 INFO L87 Difference]: Start difference. First operand 98 states. Second operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-28 12:23:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:18,069 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-28 12:23:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-28 12:23:18,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:18,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:18,070 INFO L74 IsIncluded]: Start isIncluded. First operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand 98 states. [2022-04-28 12:23:18,070 INFO L87 Difference]: Start difference. First operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand 98 states. [2022-04-28 12:23:18,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:18,096 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-28 12:23:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-28 12:23:18,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:18,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:18,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:23:18,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:23:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 48 states have internal predecessors, (56), 34 states have call successors, (34), 8 states have call predecessors, (34), 7 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-04-28 12:23:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-28 12:23:18,100 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-28 12:23:18,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:23:18,100 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-28 12:23:18,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 5 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-04-28 12:23:18,100 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-28 12:23:18,257 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-28 12:23:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-28 12:23:18,257 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:23:18,257 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:23:18,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 12:23:18,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:18,458 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:23:18,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:23:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-28 12:23:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:18,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1077899567] [2022-04-28 12:23:18,459 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:23:18,459 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-28 12:23:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:23:18,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567370367] [2022-04-28 12:23:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:23:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:23:18,473 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:23:18,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813584328] [2022-04-28 12:23:18,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:23:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:23:18,474 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) [2022-04-28 12:23:18,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-28 12:23:18,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:23:18,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:23:18,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-28 12:23:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:23:18,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:23:18,775 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-28 12:23:18,775 INFO L290 TraceCheckUtils]: 1: Hoare triple {4762#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {4762#true} is VALID [2022-04-28 12:23:18,775 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,775 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-28 12:23:18,775 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-28 12:23:18,775 INFO L290 TraceCheckUtils]: 5: Hoare triple {4762#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 11: Hoare triple {4762#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,791 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L272 TraceCheckUtils]: 17: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L272 TraceCheckUtils]: 22: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,792 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L290 TraceCheckUtils]: 27: Hoare triple {4762#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:18,793 INFO L272 TraceCheckUtils]: 28: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} #87#return; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:18,793 INFO L272 TraceCheckUtils]: 33: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,793 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,794 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,794 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,794 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} #89#return; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:18,794 INFO L290 TraceCheckUtils]: 38: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} assume !false; {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:18,795 INFO L290 TraceCheckUtils]: 39: Hoare triple {4848#(and (= main_~q~0 0) (= main_~a~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4885#(= main_~q~0 0)} is VALID [2022-04-28 12:23:18,795 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-28 12:23:18,795 INFO L272 TraceCheckUtils]: 41: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,795 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,795 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,795 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,796 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #91#return; {4885#(= main_~q~0 0)} is VALID [2022-04-28 12:23:18,796 INFO L272 TraceCheckUtils]: 46: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,796 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,796 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,796 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,797 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #93#return; {4885#(= main_~q~0 0)} is VALID [2022-04-28 12:23:18,797 INFO L272 TraceCheckUtils]: 51: Hoare triple {4885#(= main_~q~0 0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,797 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:18,797 INFO L290 TraceCheckUtils]: 53: Hoare triple {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:18,798 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:18,798 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} {4885#(= main_~q~0 0)} #95#return; {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-28 12:23:18,798 INFO L272 TraceCheckUtils]: 56: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,798 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,798 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,799 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,799 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {4762#true} {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} #97#return; {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-28 12:23:18,799 INFO L290 TraceCheckUtils]: 61: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} assume !(~c~0 >= ~b~0); {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} is VALID [2022-04-28 12:23:18,800 INFO L290 TraceCheckUtils]: 62: Hoare triple {4936#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~q~0 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:23:18,800 INFO L290 TraceCheckUtils]: 63: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:23:18,801 INFO L290 TraceCheckUtils]: 64: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:23:18,801 INFO L290 TraceCheckUtils]: 65: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:23:18,801 INFO L272 TraceCheckUtils]: 66: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:18,801 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:18,813 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:18,813 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:18,823 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {4762#true} {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:23:18,823 INFO L272 TraceCheckUtils]: 71: Hoare triple {4958#(and (= main_~p~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:18,824 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:18,824 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-28 12:23:18,824 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-28 12:23:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-28 12:23:18,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:23:29,015 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-28 12:23:29,015 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-28 12:23:29,015 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:29,016 INFO L272 TraceCheckUtils]: 71: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:29,017 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {4762#true} {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:23:29,017 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,017 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,017 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,017 INFO L272 TraceCheckUtils]: 66: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,017 INFO L290 TraceCheckUtils]: 65: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:23:29,017 INFO L290 TraceCheckUtils]: 64: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:23:29,018 INFO L290 TraceCheckUtils]: 63: Hoare triple {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:23:29,018 INFO L290 TraceCheckUtils]: 62: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {5006#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:23:29,019 INFO L290 TraceCheckUtils]: 61: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:29,019 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {4762#true} {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:29,019 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,019 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,019 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,019 INFO L272 TraceCheckUtils]: 56: Hoare triple {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,020 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} {4762#true} #95#return; {5034#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:29,020 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 53: Hoare triple {5065#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {5065#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:23:29,021 INFO L272 TraceCheckUtils]: 51: Hoare triple {4762#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L272 TraceCheckUtils]: 46: Hoare triple {4762#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,021 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L272 TraceCheckUtils]: 41: Hoare triple {4762#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 39: Hoare triple {4762#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L272 TraceCheckUtils]: 33: Hoare triple {4762#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L272 TraceCheckUtils]: 28: Hoare triple {4762#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 27: Hoare triple {4762#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,022 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L272 TraceCheckUtils]: 22: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L272 TraceCheckUtils]: 17: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 11: Hoare triple {4762#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-28 12:23:29,023 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L290 TraceCheckUtils]: 5: Hoare triple {4762#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L290 TraceCheckUtils]: 1: Hoare triple {4762#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-28 12:23:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-28 12:23:29,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:23:29,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567370367] [2022-04-28 12:23:29,024 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:23:29,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813584328] [2022-04-28 12:23:29,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813584328] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:23:29,024 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:23:29,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-28 12:23:29,025 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:23:29,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1077899567] [2022-04-28 12:23:29,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1077899567] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:23:29,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:23:29,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-28 12:23:29,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123306977] [2022-04-28 12:23:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:23:29,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 75 [2022-04-28 12:23:29,026 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:23:29,026 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-28 12:23:29,064 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:29,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 12:23:29,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 12:23:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-28 12:23:29,065 INFO L87 Difference]: Start difference. First operand 89 states and 122 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-28 12:23:29,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:29,942 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-28 12:23:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 12:23:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 75 [2022-04-28 12:23:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:23:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-28 12:23:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-28 12:23:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-28 12:23:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-28 12:23:29,945 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-28 12:23:30,008 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:30,011 INFO L225 Difference]: With dead ends: 124 [2022-04-28 12:23:30,011 INFO L226 Difference]: Without dead ends: 121 [2022-04-28 12:23:30,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-04-28 12:23:30,011 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 12:23:30,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 12:23:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-28 12:23:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-28 12:23:30,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:23:30,171 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:30,171 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:30,171 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:30,175 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-28 12:23:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-28 12:23:30,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:30,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:30,175 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 121 states. [2022-04-28 12:23:30,176 INFO L87 Difference]: Start difference. First operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 121 states. [2022-04-28 12:23:30,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:30,179 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-28 12:23:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-28 12:23:30,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:30,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:30,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:23:30,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:23:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 64 states have internal predecessors, (75), 47 states have call successors, (47), 9 states have call predecessors, (47), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-28 12:23:30,183 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-28 12:23:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:23:30,183 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-28 12:23:30,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-04-28 12:23:30,183 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-28 12:23:30,391 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-28 12:23:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-28 12:23:30,392 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:23:30,392 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:23:30,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-28 12:23:30,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-28 12:23:30,592 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:23:30,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:23:30,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-28 12:23:30,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:30,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1554961884] [2022-04-28 12:23:30,593 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:23:30,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-28 12:23:30,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:23:30,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887099868] [2022-04-28 12:23:30,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:23:30,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:23:30,607 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:23:30,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611346875] [2022-04-28 12:23:30,607 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 12:23:30,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:23:30,608 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) [2022-04-28 12:23:30,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-28 12:23:30,647 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 12:23:30,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:23:30,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 33 conjunts are in the unsatisfiable core [2022-04-28 12:23:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:23:30,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:23:31,302 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-28 12:23:31,302 INFO L290 TraceCheckUtils]: 1: Hoare triple {5956#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {5956#true} is VALID [2022-04-28 12:23:31,302 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,302 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-28 12:23:31,302 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-28 12:23:31,303 INFO L290 TraceCheckUtils]: 5: Hoare triple {5956#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 11: Hoare triple {5956#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,308 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,309 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,309 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-28 12:23:31,309 INFO L272 TraceCheckUtils]: 17: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,309 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {6015#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 12:23:31,309 INFO L290 TraceCheckUtils]: 19: Hoare triple {6015#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6019#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:31,309 INFO L290 TraceCheckUtils]: 20: Hoare triple {6019#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6019#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:23:31,310 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {6019#(not (= |assume_abort_if_not_#in~cond| 0))} {5956#true} #83#return; {6026#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:31,310 INFO L272 TraceCheckUtils]: 22: Hoare triple {6026#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,310 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,310 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,310 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,310 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {6026#(<= 1 main_~x~0)} #85#return; {6026#(<= 1 main_~x~0)} is VALID [2022-04-28 12:23:31,310 INFO L290 TraceCheckUtils]: 27: Hoare triple {6026#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,310 INFO L272 TraceCheckUtils]: 28: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,311 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,311 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,311 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,314 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,314 INFO L272 TraceCheckUtils]: 33: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,314 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,314 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,314 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,315 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,315 INFO L290 TraceCheckUtils]: 38: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,315 INFO L290 TraceCheckUtils]: 39: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 40: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,316 INFO L272 TraceCheckUtils]: 41: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,316 INFO L272 TraceCheckUtils]: 46: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,316 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,317 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,317 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,317 INFO L272 TraceCheckUtils]: 51: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,317 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,317 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,317 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,318 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,318 INFO L272 TraceCheckUtils]: 56: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,318 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,318 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,318 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,318 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,319 INFO L290 TraceCheckUtils]: 61: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {6149#(and (= main_~r~0 0) (<= 1 main_~x~0) (< main_~c~0 main_~y~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:23:31,319 INFO L290 TraceCheckUtils]: 62: Hoare triple {6149#(and (= main_~r~0 0) (<= 1 main_~x~0) (< main_~c~0 main_~y~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,319 INFO L290 TraceCheckUtils]: 63: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,320 INFO L290 TraceCheckUtils]: 64: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,320 INFO L290 TraceCheckUtils]: 65: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,320 INFO L272 TraceCheckUtils]: 66: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,320 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,320 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,320 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,320 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,320 INFO L272 TraceCheckUtils]: 71: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,321 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,321 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,321 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,321 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {5956#true} {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:23:31,321 INFO L272 TraceCheckUtils]: 76: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:31,322 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:31,322 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-28 12:23:31,322 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-28 12:23:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-28 12:23:31,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:23:31,636 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-28 12:23:31,636 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-28 12:23:31,636 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:31,637 INFO L272 TraceCheckUtils]: 76: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:31,637 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {5956#true} {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #93#return; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:31,637 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,637 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,637 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,637 INFO L272 TraceCheckUtils]: 71: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,638 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #91#return; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:31,638 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:31,638 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:31,638 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:31,638 INFO L272 TraceCheckUtils]: 66: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:31,638 INFO L290 TraceCheckUtils]: 65: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:31,638 INFO L290 TraceCheckUtils]: 64: Hoare triple {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:23:31,639 INFO L290 TraceCheckUtils]: 63: Hoare triple {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} assume !false; {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} is VALID [2022-04-28 12:23:33,640 WARN L290 TraceCheckUtils]: 62: Hoare triple {6260#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (= main_~c~0 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} is UNKNOWN [2022-04-28 12:23:33,641 INFO L290 TraceCheckUtils]: 61: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !(~c~0 >= ~b~0); {6260#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,641 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #97#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,641 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,641 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,641 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,642 INFO L272 TraceCheckUtils]: 56: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,642 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #95#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,642 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,642 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,642 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,642 INFO L272 TraceCheckUtils]: 51: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #93#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L272 TraceCheckUtils]: 46: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #91#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,643 INFO L272 TraceCheckUtils]: 41: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,644 INFO L290 TraceCheckUtils]: 40: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !false; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,644 INFO L290 TraceCheckUtils]: 39: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-28 12:23:33,644 INFO L290 TraceCheckUtils]: 38: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} assume !false; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-28 12:23:33,645 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} #89#return; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L272 TraceCheckUtils]: 33: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} #87#return; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,645 INFO L272 TraceCheckUtils]: 28: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 27: Hoare triple {5956#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-28 12:23:33,646 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L272 TraceCheckUtils]: 22: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L272 TraceCheckUtils]: 17: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,646 INFO L290 TraceCheckUtils]: 11: Hoare triple {5956#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L290 TraceCheckUtils]: 5: Hoare triple {5956#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {5956#true} is VALID [2022-04-28 12:23:33,647 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-28 12:23:33,648 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-28 12:23:33,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-28 12:23:33,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {5956#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {5956#true} is VALID [2022-04-28 12:23:33,648 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-28 12:23:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-04-28 12:23:33,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:23:33,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887099868] [2022-04-28 12:23:33,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:23:33,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611346875] [2022-04-28 12:23:33,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611346875] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:23:33,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:23:33,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2022-04-28 12:23:33,649 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:23:33,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1554961884] [2022-04-28 12:23:33,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1554961884] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:23:33,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:23:33,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-28 12:23:33,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457440949] [2022-04-28 12:23:33,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:23:33,649 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 80 [2022-04-28 12:23:33,649 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:23:33,649 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-28 12:23:33,677 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:33,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-28 12:23:33,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:33,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-28 12:23:33,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-04-28 12:23:33,678 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-28 12:23:34,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:34,452 INFO L93 Difference]: Finished difference Result 130 states and 176 transitions. [2022-04-28 12:23:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-28 12:23:34,452 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 80 [2022-04-28 12:23:34,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:23:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-28 12:23:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-28 12:23:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-28 12:23:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-28 12:23:34,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 91 transitions. [2022-04-28 12:23:34,521 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:34,523 INFO L225 Difference]: With dead ends: 130 [2022-04-28 12:23:34,523 INFO L226 Difference]: Without dead ends: 128 [2022-04-28 12:23:34,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-04-28 12:23:34,523 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 36 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 12:23:34,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 202 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 12:23:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-04-28 12:23:34,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2022-04-28 12:23:34,632 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:23:34,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:34,642 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:34,643 INFO L87 Difference]: Start difference. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:34,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:34,645 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-28 12:23:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-28 12:23:34,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:34,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:34,646 INFO L74 IsIncluded]: Start isIncluded. First operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 128 states. [2022-04-28 12:23:34,646 INFO L87 Difference]: Start difference. First operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 128 states. [2022-04-28 12:23:34,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:23:34,649 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-28 12:23:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-28 12:23:34,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:23:34,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:23:34,649 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:23:34,649 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:23:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:23:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2022-04-28 12:23:34,652 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 80 [2022-04-28 12:23:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:23:34,652 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2022-04-28 12:23:34,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-28 12:23:34,653 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 126 states and 172 transitions. [2022-04-28 12:23:34,864 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:23:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-04-28 12:23:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-28 12:23:34,865 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:23:34,865 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:23:34,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-28 12:23:35,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-28 12:23:35,083 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:23:35,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:23:35,083 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-28 12:23:35,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:23:35,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [752181054] [2022-04-28 12:23:35,084 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:23:35,084 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-28 12:23:35,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:23:35,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140019477] [2022-04-28 12:23:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:23:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:23:35,094 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:23:35,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036094979] [2022-04-28 12:23:35,095 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 12:23:35,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:23:35,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:23:35,095 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) [2022-04-28 12:23:35,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-28 12:23:35,184 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-28 12:23:35,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:23:35,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-28 12:23:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:23:35,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:23:39,942 INFO L272 TraceCheckUtils]: 0: Hoare triple {7227#true} call ULTIMATE.init(); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {7227#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7227#true} {7227#true} #103#return; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L272 TraceCheckUtils]: 4: Hoare triple {7227#true} call #t~ret6 := main(); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 5: Hoare triple {7227#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L272 TraceCheckUtils]: 6: Hoare triple {7227#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 7: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 8: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 9: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7227#true} {7227#true} #79#return; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 11: Hoare triple {7227#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L272 TraceCheckUtils]: 12: Hoare triple {7227#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,942 INFO L290 TraceCheckUtils]: 13: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 14: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 15: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7227#true} {7227#true} #81#return; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L272 TraceCheckUtils]: 17: Hoare triple {7227#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 18: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 19: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 20: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7227#true} {7227#true} #83#return; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L272 TraceCheckUtils]: 22: Hoare triple {7227#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 23: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 24: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L290 TraceCheckUtils]: 25: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,943 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7227#true} {7227#true} #85#return; {7227#true} is VALID [2022-04-28 12:23:39,944 INFO L290 TraceCheckUtils]: 27: Hoare triple {7227#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,944 INFO L272 TraceCheckUtils]: 28: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,944 INFO L290 TraceCheckUtils]: 29: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,944 INFO L290 TraceCheckUtils]: 30: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,944 INFO L290 TraceCheckUtils]: 31: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,944 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7227#true} {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #87#return; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,944 INFO L272 TraceCheckUtils]: 33: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,945 INFO L290 TraceCheckUtils]: 34: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,945 INFO L290 TraceCheckUtils]: 35: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,945 INFO L290 TraceCheckUtils]: 36: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,945 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {7227#true} {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #89#return; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,946 INFO L290 TraceCheckUtils]: 38: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,947 INFO L290 TraceCheckUtils]: 39: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,947 INFO L290 TraceCheckUtils]: 40: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,947 INFO L272 TraceCheckUtils]: 41: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,947 INFO L290 TraceCheckUtils]: 42: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,947 INFO L290 TraceCheckUtils]: 43: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,947 INFO L290 TraceCheckUtils]: 44: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,948 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {7227#true} {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #91#return; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-28 12:23:39,948 INFO L272 TraceCheckUtils]: 46: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,948 INFO L290 TraceCheckUtils]: 47: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:39,949 INFO L290 TraceCheckUtils]: 48: Hoare triple {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:39,949 INFO L290 TraceCheckUtils]: 49: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:39,950 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #93#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-28 12:23:39,950 INFO L272 TraceCheckUtils]: 51: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,950 INFO L290 TraceCheckUtils]: 52: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,950 INFO L290 TraceCheckUtils]: 53: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,950 INFO L290 TraceCheckUtils]: 54: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,951 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {7227#true} {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #95#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-28 12:23:39,951 INFO L272 TraceCheckUtils]: 56: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,951 INFO L290 TraceCheckUtils]: 57: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,951 INFO L290 TraceCheckUtils]: 58: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,951 INFO L290 TraceCheckUtils]: 59: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,954 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {7227#true} {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #97#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-28 12:23:39,954 INFO L290 TraceCheckUtils]: 61: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !(~c~0 >= ~b~0); {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-28 12:23:39,956 INFO L290 TraceCheckUtils]: 62: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,957 INFO L290 TraceCheckUtils]: 63: Hoare triple {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,958 INFO L290 TraceCheckUtils]: 64: Hoare triple {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,958 INFO L290 TraceCheckUtils]: 65: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,958 INFO L272 TraceCheckUtils]: 66: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,959 INFO L290 TraceCheckUtils]: 67: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,959 INFO L290 TraceCheckUtils]: 68: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,959 INFO L290 TraceCheckUtils]: 69: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,964 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {7227#true} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,964 INFO L272 TraceCheckUtils]: 71: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,964 INFO L290 TraceCheckUtils]: 72: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-28 12:23:39,964 INFO L290 TraceCheckUtils]: 73: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-28 12:23:39,964 INFO L290 TraceCheckUtils]: 74: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-28 12:23:39,965 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {7227#true} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,965 INFO L272 TraceCheckUtils]: 76: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7227#true} is VALID [2022-04-28 12:23:39,965 INFO L290 TraceCheckUtils]: 77: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:39,966 INFO L290 TraceCheckUtils]: 78: Hoare triple {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:39,966 INFO L290 TraceCheckUtils]: 79: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:23:39,966 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:23:39,969 INFO L272 TraceCheckUtils]: 81: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7482#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:23:39,970 INFO L290 TraceCheckUtils]: 82: Hoare triple {7482#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7486#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:23:39,970 INFO L290 TraceCheckUtils]: 83: Hoare triple {7486#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7228#false} is VALID [2022-04-28 12:23:39,970 INFO L290 TraceCheckUtils]: 84: Hoare triple {7228#false} assume !false; {7228#false} is VALID [2022-04-28 12:23:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-04-28 12:23:39,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:24:23,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:24:23,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140019477] [2022-04-28 12:24:23,566 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:24:23,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036094979] [2022-04-28 12:24:23,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036094979] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 12:24:23,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 12:24:23,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-04-28 12:24:23,567 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:24:23,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [752181054] [2022-04-28 12:24:23,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [752181054] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:24:23,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:24:23,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-28 12:24:23,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319687109] [2022-04-28 12:24:23,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:24:23,567 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 85 [2022-04-28 12:24:23,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:24:23,568 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-28 12:24:23,621 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:23,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-28 12:24:23,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:23,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-28 12:24:23,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-28 12:24:23,622 INFO L87 Difference]: Start difference. First operand 126 states and 172 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-28 12:24:25,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:25,077 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-28 12:24:25,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 12:24:25,077 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 85 [2022-04-28 12:24:25,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:24:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-28 12:24:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-28 12:24:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-28 12:24:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-28 12:24:25,080 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 91 transitions. [2022-04-28 12:24:25,168 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:25,171 INFO L225 Difference]: With dead ends: 134 [2022-04-28 12:24:25,171 INFO L226 Difference]: Without dead ends: 132 [2022-04-28 12:24:25,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-04-28 12:24:25,171 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 12:24:25,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 199 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 12:24:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-28 12:24:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-28 12:24:25,389 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:24:25,389 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:24:25,389 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:24:25,390 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:24:25,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:25,394 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-28 12:24:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-28 12:24:25,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:25,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:25,395 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 132 states. [2022-04-28 12:24:25,395 INFO L87 Difference]: Start difference. First operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 132 states. [2022-04-28 12:24:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:25,397 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-28 12:24:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-28 12:24:25,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:25,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:25,398 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:24:25,398 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:24:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 71 states have (on average 1.1830985915492958) internal successors, (84), 73 states have internal predecessors, (84), 47 states have call successors, (47), 12 states have call predecessors, (47), 11 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:24:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-28 12:24:25,401 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 85 [2022-04-28 12:24:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:24:25,401 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-28 12:24:25,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-28 12:24:25,401 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-28 12:24:25,622 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-28 12:24:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-28 12:24:25,623 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:24:25,623 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:24:25,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-28 12:24:25,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-28 12:24:25,827 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:24:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:24:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-28 12:24:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [194238705] [2022-04-28 12:24:25,828 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:24:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-28 12:24:25,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:24:25,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213408376] [2022-04-28 12:24:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:24:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:24:25,849 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:24:25,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700342771] [2022-04-28 12:24:25,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:24:25,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:24:25,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:24:25,855 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:24:25,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-28 12:24:25,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:24:25,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:24:25,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-28 12:24:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:24:25,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:24:26,359 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {8307#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 5: Hoare triple {8307#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L272 TraceCheckUtils]: 6: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,359 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 11: Hoare triple {8307#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L272 TraceCheckUtils]: 12: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L272 TraceCheckUtils]: 17: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L272 TraceCheckUtils]: 22: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,360 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L290 TraceCheckUtils]: 27: Hoare triple {8307#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,361 INFO L272 TraceCheckUtils]: 28: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8307#true} {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,361 INFO L272 TraceCheckUtils]: 33: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,361 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,362 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,362 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,362 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8307#true} {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,362 INFO L290 TraceCheckUtils]: 38: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,363 INFO L290 TraceCheckUtils]: 39: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,363 INFO L290 TraceCheckUtils]: 40: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,363 INFO L272 TraceCheckUtils]: 41: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,363 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,363 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,363 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,364 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,364 INFO L272 TraceCheckUtils]: 46: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,364 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,364 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,364 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,365 INFO L272 TraceCheckUtils]: 51: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,365 INFO L272 TraceCheckUtils]: 56: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,365 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,366 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,366 INFO L290 TraceCheckUtils]: 61: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,366 INFO L290 TraceCheckUtils]: 62: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !false; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,367 INFO L272 TraceCheckUtils]: 63: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #91#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,367 INFO L272 TraceCheckUtils]: 68: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,367 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #93#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,368 INFO L272 TraceCheckUtils]: 73: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,368 INFO L272 TraceCheckUtils]: 78: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:26,368 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:26,369 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:26,369 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,369 INFO L290 TraceCheckUtils]: 83: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:26,370 INFO L290 TraceCheckUtils]: 84: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-28 12:24:26,370 INFO L290 TraceCheckUtils]: 85: Hoare triple {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !false; {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-28 12:24:26,370 INFO L290 TraceCheckUtils]: 86: Hoare triple {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !(0 != ~b~0); {8574#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-28 12:24:26,371 INFO L272 TraceCheckUtils]: 87: Hoare triple {8574#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:24:26,371 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:26,371 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-28 12:24:26,371 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-28 12:24:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-28 12:24:26,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:24:26,829 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-28 12:24:26,829 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-28 12:24:26,830 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:26,830 INFO L272 TraceCheckUtils]: 87: Hoare triple {8598#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:24:26,831 INFO L290 TraceCheckUtils]: 86: Hoare triple {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {8598#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-28 12:24:26,831 INFO L290 TraceCheckUtils]: 85: Hoare triple {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-28 12:24:28,832 WARN L290 TraceCheckUtils]: 84: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is UNKNOWN [2022-04-28 12:24:28,833 INFO L290 TraceCheckUtils]: 83: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !(~c~0 >= ~b~0); {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:28,834 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:28,834 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:28,834 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:28,834 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:28,834 INFO L272 TraceCheckUtils]: 78: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:28,835 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:28,835 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:28,835 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:28,835 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:28,835 INFO L272 TraceCheckUtils]: 73: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:28,835 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #93#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:28,835 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L272 TraceCheckUtils]: 68: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:28,836 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:28,836 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:28,837 INFO L272 TraceCheckUtils]: 63: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:28,837 INFO L290 TraceCheckUtils]: 62: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:29,009 INFO L290 TraceCheckUtils]: 61: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:24:29,010 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #97#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,010 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,010 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,010 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,010 INFO L272 TraceCheckUtils]: 56: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,011 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #95#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,011 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,011 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,011 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,011 INFO L272 TraceCheckUtils]: 51: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,012 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #93#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,012 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,012 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,012 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,012 INFO L272 TraceCheckUtils]: 46: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,013 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #91#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,013 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,013 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,013 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,013 INFO L272 TraceCheckUtils]: 41: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,014 INFO L290 TraceCheckUtils]: 40: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,014 INFO L290 TraceCheckUtils]: 39: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,014 INFO L290 TraceCheckUtils]: 38: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,015 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8307#true} {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #89#return; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,015 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,015 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,015 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,015 INFO L272 TraceCheckUtils]: 33: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,016 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8307#true} {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #87#return; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,016 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,016 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,016 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,016 INFO L272 TraceCheckUtils]: 28: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 27: Hoare triple {8307#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-28 12:24:29,017 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L272 TraceCheckUtils]: 22: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L272 TraceCheckUtils]: 17: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,017 INFO L272 TraceCheckUtils]: 12: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 11: Hoare triple {8307#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L272 TraceCheckUtils]: 6: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 5: Hoare triple {8307#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L290 TraceCheckUtils]: 1: Hoare triple {8307#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-28 12:24:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-28 12:24:29,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:24:29,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213408376] [2022-04-28 12:24:29,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:24:29,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700342771] [2022-04-28 12:24:29,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700342771] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:24:29,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:24:29,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-28 12:24:29,019 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:24:29,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [194238705] [2022-04-28 12:24:29,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [194238705] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:24:29,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:24:29,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-28 12:24:29,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66625555] [2022-04-28 12:24:29,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:24:29,020 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 91 [2022-04-28 12:24:29,020 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:24:29,020 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-28 12:24:29,066 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:29,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-28 12:24:29,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:29,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-28 12:24:29,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-28 12:24:29,067 INFO L87 Difference]: Start difference. First operand 130 states and 175 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-28 12:24:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:30,418 INFO L93 Difference]: Finished difference Result 157 states and 211 transitions. [2022-04-28 12:24:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 12:24:30,419 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 91 [2022-04-28 12:24:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:24:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-28 12:24:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-28 12:24:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-28 12:24:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-28 12:24:30,421 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-28 12:24:30,514 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:30,517 INFO L225 Difference]: With dead ends: 157 [2022-04-28 12:24:30,517 INFO L226 Difference]: Without dead ends: 154 [2022-04-28 12:24:30,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2022-04-28 12:24:30,518 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 19 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 12:24:30,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 275 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 12:24:30,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-04-28 12:24:30,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2022-04-28 12:24:30,727 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:24:30,727 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:30,727 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:30,728 INFO L87 Difference]: Start difference. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:30,731 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-28 12:24:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-28 12:24:30,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:30,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:30,732 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 154 states. [2022-04-28 12:24:30,732 INFO L87 Difference]: Start difference. First operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 154 states. [2022-04-28 12:24:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:30,735 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-28 12:24:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-28 12:24:30,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:30,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:30,735 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:24:30,735 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:24:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 206 transitions. [2022-04-28 12:24:30,739 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 206 transitions. Word has length 91 [2022-04-28 12:24:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:24:30,740 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 206 transitions. [2022-04-28 12:24:30,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-28 12:24:30,740 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 153 states and 206 transitions. [2022-04-28 12:24:31,039 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2022-04-28 12:24:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-28 12:24:31,040 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:24:31,040 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:24:31,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-04-28 12:24:31,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-28 12:24:31,240 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:24:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:24:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-28 12:24:31,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:31,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [182614859] [2022-04-28 12:24:31,241 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:24:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-28 12:24:31,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:24:31,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029132555] [2022-04-28 12:24:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:24:31,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:24:31,258 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:24:31,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768847243] [2022-04-28 12:24:31,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:24:31,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:24:31,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:24:31,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:24:31,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-28 12:24:31,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:24:31,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:24:31,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 12:24:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:24:31,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:24:31,552 INFO L272 TraceCheckUtils]: 0: Hoare triple {9802#true} call ULTIMATE.init(); {9802#true} is VALID [2022-04-28 12:24:31,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {9802#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {9802#true} is VALID [2022-04-28 12:24:31,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9802#true} {9802#true} #103#return; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L272 TraceCheckUtils]: 4: Hoare triple {9802#true} call #t~ret6 := main(); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {9802#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L272 TraceCheckUtils]: 6: Hoare triple {9802#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 9: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9802#true} {9802#true} #79#return; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 11: Hoare triple {9802#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L272 TraceCheckUtils]: 12: Hoare triple {9802#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 13: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 14: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 15: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9802#true} {9802#true} #81#return; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L272 TraceCheckUtils]: 17: Hoare triple {9802#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 18: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 19: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L290 TraceCheckUtils]: 20: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,553 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9802#true} {9802#true} #83#return; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L272 TraceCheckUtils]: 22: Hoare triple {9802#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 23: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 24: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 25: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9802#true} {9802#true} #85#return; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 27: Hoare triple {9802#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L272 TraceCheckUtils]: 28: Hoare triple {9802#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 29: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 30: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 31: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9802#true} {9802#true} #87#return; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L272 TraceCheckUtils]: 33: Hoare triple {9802#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 34: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 35: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 36: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9802#true} {9802#true} #89#return; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 38: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 39: Hoare triple {9802#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9802#true} is VALID [2022-04-28 12:24:31,554 INFO L290 TraceCheckUtils]: 40: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L272 TraceCheckUtils]: 41: Hoare triple {9802#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 42: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 43: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 44: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9802#true} {9802#true} #91#return; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L272 TraceCheckUtils]: 46: Hoare triple {9802#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 47: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 48: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 49: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9802#true} {9802#true} #93#return; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L272 TraceCheckUtils]: 51: Hoare triple {9802#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 52: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 53: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 54: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9802#true} {9802#true} #95#return; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L272 TraceCheckUtils]: 56: Hoare triple {9802#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 57: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 58: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L290 TraceCheckUtils]: 59: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,555 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9802#true} {9802#true} #97#return; {9802#true} is VALID [2022-04-28 12:24:31,556 INFO L290 TraceCheckUtils]: 61: Hoare triple {9802#true} assume !(~c~0 >= ~b~0); {9990#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:24:31,556 INFO L290 TraceCheckUtils]: 62: Hoare triple {9990#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {9994#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:24:31,556 INFO L290 TraceCheckUtils]: 63: Hoare triple {9994#(< main_~b~0 main_~a~0)} assume !false; {9994#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:24:31,557 INFO L290 TraceCheckUtils]: 64: Hoare triple {9994#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,557 INFO L290 TraceCheckUtils]: 65: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !false; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,557 INFO L272 TraceCheckUtils]: 66: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,557 INFO L290 TraceCheckUtils]: 67: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,557 INFO L290 TraceCheckUtils]: 68: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,557 INFO L290 TraceCheckUtils]: 69: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #91#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,558 INFO L272 TraceCheckUtils]: 71: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L290 TraceCheckUtils]: 72: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L290 TraceCheckUtils]: 73: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L290 TraceCheckUtils]: 74: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #93#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,558 INFO L272 TraceCheckUtils]: 76: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,558 INFO L290 TraceCheckUtils]: 77: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L290 TraceCheckUtils]: 78: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L290 TraceCheckUtils]: 79: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #95#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,559 INFO L272 TraceCheckUtils]: 81: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L290 TraceCheckUtils]: 82: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L290 TraceCheckUtils]: 83: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-28 12:24:31,559 INFO L290 TraceCheckUtils]: 84: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-28 12:24:31,560 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #97#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:24:31,560 INFO L290 TraceCheckUtils]: 86: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !(~c~0 >= ~b~0); {9803#false} is VALID [2022-04-28 12:24:31,560 INFO L290 TraceCheckUtils]: 87: Hoare triple {9803#false} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {9803#false} is VALID [2022-04-28 12:24:31,560 INFO L290 TraceCheckUtils]: 88: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-28 12:24:31,560 INFO L290 TraceCheckUtils]: 89: Hoare triple {9803#false} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9803#false} is VALID [2022-04-28 12:24:31,560 INFO L290 TraceCheckUtils]: 90: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-28 12:24:31,560 INFO L272 TraceCheckUtils]: 91: Hoare triple {9803#false} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 92: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 93: Hoare triple {9803#false} assume !(0 == ~cond); {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 94: Hoare triple {9803#false} assume true; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9803#false} {9803#false} #91#return; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L272 TraceCheckUtils]: 96: Hoare triple {9803#false} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 97: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 98: Hoare triple {9803#false} assume 0 == ~cond; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L290 TraceCheckUtils]: 99: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-28 12:24:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-04-28 12:24:31,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 12:24:31,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:24:31,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029132555] [2022-04-28 12:24:31,561 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:24:31,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768847243] [2022-04-28 12:24:31,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768847243] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:24:31,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:24:31,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:24:31,562 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:24:31,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [182614859] [2022-04-28 12:24:31,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [182614859] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:24:31,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:24:31,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 12:24:31,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676206990] [2022-04-28 12:24:31,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:24:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 100 [2022-04-28 12:24:31,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:24:31,563 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-28 12:24:31,604 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 12:24:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 12:24:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 12:24:31,605 INFO L87 Difference]: Start difference. First operand 153 states and 206 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-28 12:24:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:32,070 INFO L93 Difference]: Finished difference Result 201 states and 280 transitions. [2022-04-28 12:24:32,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 12:24:32,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 100 [2022-04-28 12:24:32,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:24:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-28 12:24:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-28 12:24:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-28 12:24:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-28 12:24:32,073 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-28 12:24:32,140 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:32,143 INFO L225 Difference]: With dead ends: 201 [2022-04-28 12:24:32,143 INFO L226 Difference]: Without dead ends: 156 [2022-04-28 12:24:32,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-04-28 12:24:32,144 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 12:24:32,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 12:24:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-04-28 12:24:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 147. [2022-04-28 12:24:32,376 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:24:32,376 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:32,376 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:32,377 INFO L87 Difference]: Start difference. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:32,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:32,380 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-28 12:24:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-28 12:24:32,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:32,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:32,380 INFO L74 IsIncluded]: Start isIncluded. First operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 156 states. [2022-04-28 12:24:32,381 INFO L87 Difference]: Start difference. First operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 156 states. [2022-04-28 12:24:32,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:24:32,383 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-28 12:24:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-28 12:24:32,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:24:32,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:24:32,384 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:24:32,384 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:24:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-28 12:24:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2022-04-28 12:24:32,387 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 195 transitions. Word has length 100 [2022-04-28 12:24:32,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:24:32,387 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-04-28 12:24:32,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-28 12:24:32,387 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 147 states and 195 transitions. [2022-04-28 12:24:32,689 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:24:32,690 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 195 transitions. [2022-04-28 12:24:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-28 12:24:32,690 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:24:32,690 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:24:32,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-28 12:24:32,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-04-28 12:24:32,891 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:24:32,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:24:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-28 12:24:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:24:32,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [356961271] [2022-04-28 12:24:32,892 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:24:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-28 12:24:32,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:24:32,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644864507] [2022-04-28 12:24:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:24:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:24:32,902 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:24:32,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608324156] [2022-04-28 12:24:32,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:24:32,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:24:32,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:24:32,903 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:24:32,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-28 12:24:32,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:24:32,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:24:32,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-28 12:24:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:24:32,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:24:34,519 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-28 12:24:34,519 INFO L290 TraceCheckUtils]: 1: Hoare triple {11118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11118#true} is VALID [2022-04-28 12:24:34,519 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,519 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-28 12:24:34,519 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 5: Hoare triple {11118#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L272 TraceCheckUtils]: 6: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 11: Hoare triple {11118#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L272 TraceCheckUtils]: 12: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L272 TraceCheckUtils]: 17: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,520 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11177#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 12:24:34,521 INFO L290 TraceCheckUtils]: 19: Hoare triple {11177#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {11181#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:24:34,521 INFO L290 TraceCheckUtils]: 20: Hoare triple {11181#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {11181#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:24:34,521 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11181#(not (= |assume_abort_if_not_#in~cond| 0))} {11118#true} #83#return; {11188#(<= 1 main_~x~0)} is VALID [2022-04-28 12:24:34,521 INFO L272 TraceCheckUtils]: 22: Hoare triple {11188#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,521 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,521 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,522 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,522 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11188#(<= 1 main_~x~0)} #85#return; {11188#(<= 1 main_~x~0)} is VALID [2022-04-28 12:24:34,522 INFO L290 TraceCheckUtils]: 27: Hoare triple {11188#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,522 INFO L272 TraceCheckUtils]: 28: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,522 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,522 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,522 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,523 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11118#true} {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,523 INFO L272 TraceCheckUtils]: 33: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,523 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,523 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,523 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,524 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11118#true} {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,524 INFO L290 TraceCheckUtils]: 38: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,524 INFO L290 TraceCheckUtils]: 39: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,525 INFO L290 TraceCheckUtils]: 40: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,525 INFO L272 TraceCheckUtils]: 41: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,525 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,525 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,525 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,526 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,526 INFO L272 TraceCheckUtils]: 46: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,526 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,526 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,526 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,526 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,527 INFO L272 TraceCheckUtils]: 51: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,527 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,527 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,527 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,539 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,540 INFO L272 TraceCheckUtils]: 56: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,540 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,540 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,540 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,540 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,541 INFO L290 TraceCheckUtils]: 61: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,542 INFO L290 TraceCheckUtils]: 62: Hoare triple {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,542 INFO L272 TraceCheckUtils]: 63: Hoare triple {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,542 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:34,542 INFO L290 TraceCheckUtils]: 65: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,542 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,543 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,544 INFO L272 TraceCheckUtils]: 68: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,544 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,544 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,544 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,544 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11118#true} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #93#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,544 INFO L272 TraceCheckUtils]: 73: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,544 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:34,545 INFO L290 TraceCheckUtils]: 75: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,545 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,545 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,545 INFO L272 TraceCheckUtils]: 78: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,545 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:34,546 INFO L290 TraceCheckUtils]: 80: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,546 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,546 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,547 INFO L290 TraceCheckUtils]: 83: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {11381#(and (= main_~r~0 0) (<= main_~y~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-28 12:24:34,547 INFO L290 TraceCheckUtils]: 84: Hoare triple {11381#(and (= main_~r~0 0) (<= main_~y~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,548 INFO L290 TraceCheckUtils]: 85: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,548 INFO L290 TraceCheckUtils]: 86: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,548 INFO L290 TraceCheckUtils]: 87: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,548 INFO L272 TraceCheckUtils]: 88: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11118#true} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #91#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,549 INFO L272 TraceCheckUtils]: 93: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:24:34,549 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:24:34,550 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11118#true} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #93#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,550 INFO L272 TraceCheckUtils]: 98: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:24:34,550 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:34,550 INFO L290 TraceCheckUtils]: 100: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,550 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:24:34,551 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #95#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-28 12:24:34,552 INFO L272 TraceCheckUtils]: 103: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:24:34,553 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:24:34,553 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-28 12:24:34,553 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-28 12:24:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 87 proven. 52 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-04-28 12:24:34,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:26:33,640 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-28 12:26:33,641 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-28 12:26:33,641 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:26:33,642 INFO L272 TraceCheckUtils]: 103: Hoare triple {11463#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:26:33,643 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {11463#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-28 12:26:33,643 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:33,643 INFO L290 TraceCheckUtils]: 100: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:33,644 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:26:33,644 INFO L272 TraceCheckUtils]: 98: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:33,644 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11118#true} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:26:33,644 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:33,644 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:33,644 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:33,645 INFO L272 TraceCheckUtils]: 93: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:33,645 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11118#true} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:26:33,645 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:33,645 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:33,645 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:33,645 INFO L272 TraceCheckUtils]: 88: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:33,646 INFO L290 TraceCheckUtils]: 87: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:26:33,646 INFO L290 TraceCheckUtils]: 86: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:26:33,647 INFO L290 TraceCheckUtils]: 85: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:26:35,648 WARN L290 TraceCheckUtils]: 84: Hoare triple {11523#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-28 12:26:35,649 INFO L290 TraceCheckUtils]: 83: Hoare triple {11527#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {11523#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:26:35,650 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {11527#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:26:35,650 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,650 INFO L290 TraceCheckUtils]: 80: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,651 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:26:35,651 INFO L272 TraceCheckUtils]: 78: Hoare triple {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,652 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:26:35,652 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,652 INFO L290 TraceCheckUtils]: 75: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,653 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:26:35,653 INFO L272 TraceCheckUtils]: 73: Hoare triple {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,653 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11118#true} {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:26:35,654 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,654 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,654 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,654 INFO L272 TraceCheckUtils]: 68: Hoare triple {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,655 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:26:35,655 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,655 INFO L290 TraceCheckUtils]: 65: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:35,656 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:26:35,656 INFO L272 TraceCheckUtils]: 63: Hoare triple {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,656 INFO L290 TraceCheckUtils]: 62: Hoare triple {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:26:35,668 INFO L290 TraceCheckUtils]: 61: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:26:35,669 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #97#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,669 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,669 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,669 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,669 INFO L272 TraceCheckUtils]: 56: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,670 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #95#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,670 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,670 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,670 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,670 INFO L272 TraceCheckUtils]: 51: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,671 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #93#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,671 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,671 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,671 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,671 INFO L272 TraceCheckUtils]: 46: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,671 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #91#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,672 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,672 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,672 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,672 INFO L272 TraceCheckUtils]: 41: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,672 INFO L290 TraceCheckUtils]: 40: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} assume !false; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,673 INFO L290 TraceCheckUtils]: 39: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-28 12:26:35,674 INFO L290 TraceCheckUtils]: 38: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-28 12:26:35,675 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11118#true} {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} #89#return; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-28 12:26:35,675 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,675 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,675 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,675 INFO L272 TraceCheckUtils]: 33: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,676 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11118#true} {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} #87#return; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-28 12:26:35,676 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,676 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,676 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,676 INFO L272 TraceCheckUtils]: 28: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 27: Hoare triple {11118#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-28 12:26:35,677 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11118#true} #85#return; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L272 TraceCheckUtils]: 22: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11118#true} {11118#true} #83#return; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 20: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 19: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L272 TraceCheckUtils]: 17: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-28 12:26:35,677 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L272 TraceCheckUtils]: 12: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 11: Hoare triple {11118#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L272 TraceCheckUtils]: 6: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 5: Hoare triple {11118#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L290 TraceCheckUtils]: 1: Hoare triple {11118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11118#true} is VALID [2022-04-28 12:26:35,678 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-28 12:26:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 81 proven. 43 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-04-28 12:26:35,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:26:35,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644864507] [2022-04-28 12:26:35,679 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:26:35,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608324156] [2022-04-28 12:26:35,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608324156] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:26:35,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:26:35,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-28 12:26:35,679 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:26:35,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [356961271] [2022-04-28 12:26:35,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [356961271] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:26:35,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:26:35,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-28 12:26:35,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783664089] [2022-04-28 12:26:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:26:35,680 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-28 12:26:35,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:26:35,680 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-28 12:26:35,742 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:26:35,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-28 12:26:35,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:26:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-28 12:26:35,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2022-04-28 12:26:35,743 INFO L87 Difference]: Start difference. First operand 147 states and 195 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-28 12:26:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:26:39,152 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2022-04-28 12:26:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-28 12:26:39,152 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-28 12:26:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:26:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-28 12:26:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-28 12:26:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-28 12:26:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-28 12:26:39,154 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-28 12:26:39,284 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:26:39,286 INFO L225 Difference]: With dead ends: 154 [2022-04-28 12:26:39,287 INFO L226 Difference]: Without dead ends: 152 [2022-04-28 12:26:39,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2022-04-28 12:26:39,287 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 38 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-04-28 12:26:39,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 197 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-04-28 12:26:39,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-04-28 12:26:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 128. [2022-04-28 12:26:39,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:26:39,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:26:39,502 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:26:39,503 INFO L87 Difference]: Start difference. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:26:39,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:26:39,505 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-28 12:26:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-28 12:26:39,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:26:39,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:26:39,507 INFO L74 IsIncluded]: Start isIncluded. First operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 152 states. [2022-04-28 12:26:39,507 INFO L87 Difference]: Start difference. First operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 152 states. [2022-04-28 12:26:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:26:39,510 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-28 12:26:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-28 12:26:39,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:26:39,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:26:39,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:26:39,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:26:39,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-28 12:26:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions. [2022-04-28 12:26:39,513 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 107 [2022-04-28 12:26:39,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:26:39,513 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions. [2022-04-28 12:26:39,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-28 12:26:39,513 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 128 states and 168 transitions. [2022-04-28 12:26:39,803 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:26:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2022-04-28 12:26:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-28 12:26:39,804 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:26:39,804 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:26:39,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-28 12:26:40,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-28 12:26:40,004 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:26:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:26:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-28 12:26:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:26:40,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1095948113] [2022-04-28 12:26:40,005 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:26:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-28 12:26:40,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:26:40,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712844123] [2022-04-28 12:26:40,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:26:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:26:40,017 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:26:40,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395367973] [2022-04-28 12:26:40,017 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 12:26:40,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:26:40,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:26:40,027 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:26:40,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-28 12:26:40,079 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 12:26:40,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:26:40,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-28 12:26:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:26:40,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:26:41,175 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-28 12:26:41,175 INFO L290 TraceCheckUtils]: 1: Hoare triple {12660#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12660#true} is VALID [2022-04-28 12:26:41,175 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,175 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 5: Hoare triple {12660#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L272 TraceCheckUtils]: 6: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 11: Hoare triple {12660#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L272 TraceCheckUtils]: 12: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L272 TraceCheckUtils]: 17: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,176 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L272 TraceCheckUtils]: 22: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 27: Hoare triple {12660#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,177 INFO L272 TraceCheckUtils]: 28: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,177 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,178 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12660#true} {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,178 INFO L272 TraceCheckUtils]: 33: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,178 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,178 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,178 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,179 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12660#true} {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,179 INFO L290 TraceCheckUtils]: 38: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,180 INFO L290 TraceCheckUtils]: 39: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,180 INFO L290 TraceCheckUtils]: 40: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,180 INFO L272 TraceCheckUtils]: 41: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,180 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,180 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,180 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,181 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,181 INFO L272 TraceCheckUtils]: 46: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,181 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,181 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,181 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,182 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,182 INFO L272 TraceCheckUtils]: 51: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,182 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,182 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,182 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,183 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,183 INFO L272 TraceCheckUtils]: 56: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,183 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,183 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,183 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,184 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,184 INFO L290 TraceCheckUtils]: 61: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,185 INFO L290 TraceCheckUtils]: 62: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,185 INFO L272 TraceCheckUtils]: 63: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,185 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,185 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,185 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,186 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,186 INFO L272 TraceCheckUtils]: 68: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,186 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,186 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,186 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,187 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,187 INFO L272 TraceCheckUtils]: 73: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,187 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,187 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,187 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,187 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,188 INFO L272 TraceCheckUtils]: 78: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,188 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,188 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,188 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,188 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,189 INFO L290 TraceCheckUtils]: 83: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,190 INFO L290 TraceCheckUtils]: 84: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,190 INFO L272 TraceCheckUtils]: 85: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,190 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:26:41,190 INFO L290 TraceCheckUtils]: 87: Hoare triple {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:41,190 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:41,191 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,191 INFO L272 TraceCheckUtils]: 90: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,191 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:26:41,192 INFO L290 TraceCheckUtils]: 92: Hoare triple {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:41,192 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:26:41,193 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,193 INFO L272 TraceCheckUtils]: 95: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,193 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,193 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,193 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,194 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12660#true} {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #95#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,194 INFO L272 TraceCheckUtils]: 100: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:26:41,194 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:26:41,194 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:26:41,194 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:26:41,195 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12660#true} {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #97#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,195 INFO L290 TraceCheckUtils]: 105: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {12987#(and (= main_~r~0 0) (= main_~s~0 1) (not (<= main_~y~0 main_~c~0)) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= 0 main_~c~0) (= main_~k~0 2) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:26:41,196 INFO L290 TraceCheckUtils]: 106: Hoare triple {12987#(and (= main_~r~0 0) (= main_~s~0 1) (not (<= main_~y~0 main_~c~0)) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= 0 main_~c~0) (= main_~k~0 2) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} is VALID [2022-04-28 12:26:41,197 INFO L290 TraceCheckUtils]: 107: Hoare triple {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} assume !false; {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} is VALID [2022-04-28 12:26:41,197 INFO L290 TraceCheckUtils]: 108: Hoare triple {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} assume !(0 != ~b~0); {12998#(and (= (+ main_~s~0 2) 0) (< (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-28 12:26:41,198 INFO L272 TraceCheckUtils]: 109: Hoare triple {12998#(and (= (+ main_~s~0 2) 0) (< (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:26:41,198 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:26:41,198 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-28 12:26:41,198 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-28 12:26:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-28 12:26:41,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:28:05,727 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-28 12:28:05,727 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-28 12:28:05,728 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:05,728 INFO L272 TraceCheckUtils]: 109: Hoare triple {13022#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:28:05,728 INFO L290 TraceCheckUtils]: 108: Hoare triple {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {13022#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-28 12:28:05,729 INFO L290 TraceCheckUtils]: 107: Hoare triple {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-28 12:28:07,019 INFO L290 TraceCheckUtils]: 106: Hoare triple {13033#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-28 12:28:07,019 INFO L290 TraceCheckUtils]: 105: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !(~c~0 >= ~b~0); {13033#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,020 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12660#true} {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #97#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,020 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,020 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,020 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,020 INFO L272 TraceCheckUtils]: 100: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,021 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12660#true} {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #95#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,021 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,021 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,021 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,021 INFO L272 TraceCheckUtils]: 95: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,022 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #93#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,022 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:07,023 INFO L290 TraceCheckUtils]: 92: Hoare triple {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:07,023 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:28:07,023 INFO L272 TraceCheckUtils]: 90: Hoare triple {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,024 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #91#return; {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,024 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:07,025 INFO L290 TraceCheckUtils]: 87: Hoare triple {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:07,025 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:28:07,025 INFO L272 TraceCheckUtils]: 85: Hoare triple {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,026 INFO L290 TraceCheckUtils]: 84: Hoare triple {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !false; {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,181 INFO L290 TraceCheckUtils]: 83: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-28 12:28:07,182 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #97#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,182 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,182 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,182 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,182 INFO L272 TraceCheckUtils]: 78: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,183 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #95#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,183 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,183 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,183 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,183 INFO L272 TraceCheckUtils]: 73: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,183 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #93#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,183 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,184 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,184 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,184 INFO L272 TraceCheckUtils]: 68: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,184 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #91#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,184 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,184 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,185 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,185 INFO L272 TraceCheckUtils]: 63: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,185 INFO L290 TraceCheckUtils]: 62: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} assume !false; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,926 INFO L290 TraceCheckUtils]: 61: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:28:07,927 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,927 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,927 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,927 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,927 INFO L272 TraceCheckUtils]: 56: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,928 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,928 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,928 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,928 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,928 INFO L272 TraceCheckUtils]: 51: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,929 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #93#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,929 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,929 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,929 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,929 INFO L272 TraceCheckUtils]: 46: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,930 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,930 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,930 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,930 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,930 INFO L272 TraceCheckUtils]: 41: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,931 INFO L290 TraceCheckUtils]: 40: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,931 INFO L290 TraceCheckUtils]: 39: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,932 INFO L290 TraceCheckUtils]: 38: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,932 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12660#true} {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #89#return; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,932 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L272 TraceCheckUtils]: 33: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12660#true} {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #87#return; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,933 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,933 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L272 TraceCheckUtils]: 28: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 27: Hoare triple {12660#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:07,934 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L272 TraceCheckUtils]: 22: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,934 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L272 TraceCheckUtils]: 17: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L272 TraceCheckUtils]: 12: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 11: Hoare triple {12660#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L272 TraceCheckUtils]: 6: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 5: Hoare triple {12660#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {12660#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12660#true} is VALID [2022-04-28 12:28:07,935 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-28 12:28:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-28 12:28:07,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:28:07,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712844123] [2022-04-28 12:28:07,936 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:28:07,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395367973] [2022-04-28 12:28:07,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395367973] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:28:07,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:28:07,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2022-04-28 12:28:07,937 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:28:07,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1095948113] [2022-04-28 12:28:07,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1095948113] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:28:07,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:28:07,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-28 12:28:07,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365903342] [2022-04-28 12:28:07,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:28:07,937 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 113 [2022-04-28 12:28:07,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:28:07,938 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-28 12:28:08,002 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-28 12:28:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:08,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-28 12:28:08,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2022-04-28 12:28:08,003 INFO L87 Difference]: Start difference. First operand 128 states and 168 transitions. Second operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-28 12:28:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:11,643 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2022-04-28 12:28:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-28 12:28:11,643 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 113 [2022-04-28 12:28:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:28:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-28 12:28:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-28 12:28:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-28 12:28:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-28 12:28:11,648 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 117 transitions. [2022-04-28 12:28:11,829 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:11,832 INFO L225 Difference]: With dead ends: 162 [2022-04-28 12:28:11,832 INFO L226 Difference]: Without dead ends: 159 [2022-04-28 12:28:11,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2022-04-28 12:28:11,835 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 31 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-28 12:28:11,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 291 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-28 12:28:11,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-04-28 12:28:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2022-04-28 12:28:12,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:28:12,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-28 12:28:12,079 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-28 12:28:12,079 INFO L87 Difference]: Start difference. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-28 12:28:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:12,082 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-28 12:28:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-28 12:28:12,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:12,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:12,083 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand 159 states. [2022-04-28 12:28:12,083 INFO L87 Difference]: Start difference. First operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand 159 states. [2022-04-28 12:28:12,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:12,086 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-28 12:28:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-28 12:28:12,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:12,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:12,087 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:28:12,087 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:28:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-28 12:28:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-04-28 12:28:12,092 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 113 [2022-04-28 12:28:12,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:28:12,092 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-04-28 12:28:12,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-28 12:28:12,092 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 157 states and 209 transitions. [2022-04-28 12:28:12,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-04-28 12:28:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-28 12:28:12,511 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:28:12,511 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:28:12,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-04-28 12:28:12,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:28:12,711 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:28:12,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:28:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-28 12:28:12,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:12,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [612542281] [2022-04-28 12:28:12,712 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:28:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-28 12:28:12,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:28:12,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333984650] [2022-04-28 12:28:12,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:28:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:28:12,729 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:28:12,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542654001] [2022-04-28 12:28:12,730 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 12:28:12,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:28:12,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:28:12,731 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:28:12,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-28 12:28:12,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-28 12:28:12,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:28:12,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 12:28:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:28:12,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:28:13,083 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 1: Hoare triple {14325#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 5: Hoare triple {14325#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L272 TraceCheckUtils]: 6: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,083 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 11: Hoare triple {14325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L272 TraceCheckUtils]: 12: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L272 TraceCheckUtils]: 17: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L272 TraceCheckUtils]: 22: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 27: Hoare triple {14325#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L272 TraceCheckUtils]: 28: Hoare triple {14325#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,084 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L272 TraceCheckUtils]: 33: Hoare triple {14325#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L272 TraceCheckUtils]: 41: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L272 TraceCheckUtils]: 46: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,085 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L272 TraceCheckUtils]: 51: Hoare triple {14325#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L272 TraceCheckUtils]: 56: Hoare triple {14325#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,086 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-28 12:28:13,089 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:28:13,090 INFO L290 TraceCheckUtils]: 62: Hoare triple {14513#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:28:13,090 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:28:13,090 INFO L290 TraceCheckUtils]: 64: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,091 INFO L272 TraceCheckUtils]: 66: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #91#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,091 INFO L272 TraceCheckUtils]: 71: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,091 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #93#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,092 INFO L272 TraceCheckUtils]: 76: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #95#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,092 INFO L272 TraceCheckUtils]: 81: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,092 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,093 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,093 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,093 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #97#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,094 INFO L290 TraceCheckUtils]: 86: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,094 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,094 INFO L272 TraceCheckUtils]: 88: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,094 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,094 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,094 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,094 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,095 INFO L272 TraceCheckUtils]: 93: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,095 INFO L272 TraceCheckUtils]: 98: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,095 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,096 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,096 INFO L272 TraceCheckUtils]: 103: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,096 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,096 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,096 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,096 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 109: Hoare triple {14591#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14661#(< 0 main_~b~0)} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-28 12:28:13,097 INFO L272 TraceCheckUtils]: 112: Hoare triple {14326#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14326#false} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-28 12:28:13,097 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-28 12:28:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-28 12:28:13,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:28:13,338 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-28 12:28:13,338 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-28 12:28:13,338 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-28 12:28:13,338 INFO L272 TraceCheckUtils]: 112: Hoare triple {14326#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14326#false} is VALID [2022-04-28 12:28:13,339 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-28 12:28:13,339 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-28 12:28:13,339 INFO L290 TraceCheckUtils]: 109: Hoare triple {14591#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14661#(< 0 main_~b~0)} is VALID [2022-04-28 12:28:13,340 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,340 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L272 TraceCheckUtils]: 103: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,341 INFO L272 TraceCheckUtils]: 98: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,342 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,342 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,342 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,342 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,342 INFO L272 TraceCheckUtils]: 93: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,343 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,343 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,343 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,343 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,343 INFO L272 TraceCheckUtils]: 88: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,343 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,344 INFO L290 TraceCheckUtils]: 86: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {14591#(< 0 main_~c~0)} is VALID [2022-04-28 12:28:13,345 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #97#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,345 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,345 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,345 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,345 INFO L272 TraceCheckUtils]: 81: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,346 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #95#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,346 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,346 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,346 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,346 INFO L272 TraceCheckUtils]: 76: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,346 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #93#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,346 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L272 TraceCheckUtils]: 71: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #91#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,347 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,347 INFO L272 TraceCheckUtils]: 66: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,348 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,348 INFO L290 TraceCheckUtils]: 64: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-28 12:28:13,348 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 62: Hoare triple {14513#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:28:13,349 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L272 TraceCheckUtils]: 56: Hoare triple {14325#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L272 TraceCheckUtils]: 51: Hoare triple {14325#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,349 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L272 TraceCheckUtils]: 46: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L272 TraceCheckUtils]: 41: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L272 TraceCheckUtils]: 33: Hoare triple {14325#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,350 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L272 TraceCheckUtils]: 28: Hoare triple {14325#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 27: Hoare triple {14325#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L272 TraceCheckUtils]: 22: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L272 TraceCheckUtils]: 17: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L272 TraceCheckUtils]: 12: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 11: Hoare triple {14325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-28 12:28:13,351 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L272 TraceCheckUtils]: 6: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {14325#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-28 12:28:13,352 INFO L290 TraceCheckUtils]: 1: Hoare triple {14325#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14325#true} is VALID [2022-04-28 12:28:13,356 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-28 12:28:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-28 12:28:13,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:28:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333984650] [2022-04-28 12:28:13,356 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:28:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542654001] [2022-04-28 12:28:13,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542654001] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:28:13,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:28:13,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-28 12:28:13,356 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:28:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [612542281] [2022-04-28 12:28:13,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [612542281] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:28:13,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:28:13,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-28 12:28:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734433461] [2022-04-28 12:28:13,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:28:13,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 116 [2022-04-28 12:28:13,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:28:13,357 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-28 12:28:13,411 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:13,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-28 12:28:13,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:13,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-28 12:28:13,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-28 12:28:13,412 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-28 12:28:14,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:14,516 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2022-04-28 12:28:14,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-28 12:28:14,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 116 [2022-04-28 12:28:14,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:28:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-28 12:28:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-28 12:28:14,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-28 12:28:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-28 12:28:14,520 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-28 12:28:14,623 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:14,627 INFO L225 Difference]: With dead ends: 211 [2022-04-28 12:28:14,627 INFO L226 Difference]: Without dead ends: 203 [2022-04-28 12:28:14,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-04-28 12:28:14,627 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 12:28:14,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 280 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 12:28:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-04-28 12:28:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 184. [2022-04-28 12:28:14,933 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:28:14,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-28 12:28:14,934 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-28 12:28:14,934 INFO L87 Difference]: Start difference. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-28 12:28:14,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:14,938 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-28 12:28:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-28 12:28:14,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:14,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:14,939 INFO L74 IsIncluded]: Start isIncluded. First operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand 203 states. [2022-04-28 12:28:14,939 INFO L87 Difference]: Start difference. First operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand 203 states. [2022-04-28 12:28:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:14,944 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-28 12:28:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-28 12:28:14,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:14,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:14,944 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:28:14,944 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:28:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-28 12:28:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-04-28 12:28:14,948 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 116 [2022-04-28 12:28:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:28:14,948 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-04-28 12:28:14,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-28 12:28:14,949 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 184 states and 256 transitions. [2022-04-28 12:28:15,413 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-04-28 12:28:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-28 12:28:15,414 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:28:15,414 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:28:15,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-28 12:28:15,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-28 12:28:15,630 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:28:15,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:28:15,631 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-28 12:28:15,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:15,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [693006747] [2022-04-28 12:28:15,631 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:28:15,631 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-28 12:28:15,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:28:15,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346040846] [2022-04-28 12:28:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:28:15,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:28:15,641 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:28:15,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127353973] [2022-04-28 12:28:15,642 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 12:28:15,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:28:15,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:28:15,642 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:28:15,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-28 12:28:15,723 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 12:28:15,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:28:15,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-28 12:28:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:28:15,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:28:15,888 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 1: Hoare triple {16242#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 5: Hoare triple {16242#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L272 TraceCheckUtils]: 6: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 11: Hoare triple {16242#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L272 TraceCheckUtils]: 12: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,888 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L272 TraceCheckUtils]: 17: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L272 TraceCheckUtils]: 22: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 27: Hoare triple {16242#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L272 TraceCheckUtils]: 28: Hoare triple {16242#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-28 12:28:15,889 INFO L272 TraceCheckUtils]: 33: Hoare triple {16242#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L272 TraceCheckUtils]: 41: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L272 TraceCheckUtils]: 46: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L272 TraceCheckUtils]: 51: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,890 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L272 TraceCheckUtils]: 56: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 62: Hoare triple {16242#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L272 TraceCheckUtils]: 66: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L272 TraceCheckUtils]: 71: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,891 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L272 TraceCheckUtils]: 76: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L272 TraceCheckUtils]: 81: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 86: Hoare triple {16242#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L272 TraceCheckUtils]: 88: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:15,892 INFO L272 TraceCheckUtils]: 93: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L272 TraceCheckUtils]: 98: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 100: Hoare triple {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:15,893 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:15,894 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} {16242#true} #95#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:15,894 INFO L272 TraceCheckUtils]: 103: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,894 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,894 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,894 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,894 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16242#true} {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:15,894 INFO L290 TraceCheckUtils]: 108: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:15,895 INFO L290 TraceCheckUtils]: 109: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:15,895 INFO L290 TraceCheckUtils]: 110: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:15,895 INFO L290 TraceCheckUtils]: 111: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:15,895 INFO L290 TraceCheckUtils]: 112: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:15,896 INFO L272 TraceCheckUtils]: 113: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:15,896 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:15,896 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:15,896 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:15,896 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16242#true} {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:15,896 INFO L272 TraceCheckUtils]: 118: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:28:15,897 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:15,897 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-28 12:28:15,897 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-28 12:28:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-28 12:28:15,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:28:23,642 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-28 12:28:23,643 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-28 12:28:23,643 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:23,643 INFO L272 TraceCheckUtils]: 118: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:28:23,644 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16242#true} {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:23,644 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,644 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,644 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,644 INFO L272 TraceCheckUtils]: 113: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,645 INFO L290 TraceCheckUtils]: 112: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:23,645 INFO L290 TraceCheckUtils]: 111: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:23,645 INFO L290 TraceCheckUtils]: 110: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:23,646 INFO L290 TraceCheckUtils]: 109: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-28 12:28:23,646 INFO L290 TraceCheckUtils]: 108: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:23,647 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16242#true} {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:23,647 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,647 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,647 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,647 INFO L272 TraceCheckUtils]: 103: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,647 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} {16242#true} #95#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:28:23,648 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:23,648 INFO L290 TraceCheckUtils]: 100: Hoare triple {16682#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:23,648 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16682#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:28:23,648 INFO L272 TraceCheckUtils]: 98: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,648 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:23,648 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L272 TraceCheckUtils]: 93: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L272 TraceCheckUtils]: 88: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 86: Hoare triple {16242#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L272 TraceCheckUtils]: 81: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,649 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L272 TraceCheckUtils]: 76: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L272 TraceCheckUtils]: 71: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L272 TraceCheckUtils]: 66: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 62: Hoare triple {16242#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-28 12:28:23,650 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L272 TraceCheckUtils]: 56: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L272 TraceCheckUtils]: 51: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,661 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L272 TraceCheckUtils]: 46: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L272 TraceCheckUtils]: 41: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L272 TraceCheckUtils]: 33: Hoare triple {16242#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-28 12:28:23,662 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L272 TraceCheckUtils]: 28: Hoare triple {16242#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 27: Hoare triple {16242#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L272 TraceCheckUtils]: 22: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L272 TraceCheckUtils]: 17: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L272 TraceCheckUtils]: 12: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,663 INFO L290 TraceCheckUtils]: 11: Hoare triple {16242#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L272 TraceCheckUtils]: 6: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 5: Hoare triple {16242#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L290 TraceCheckUtils]: 1: Hoare triple {16242#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-28 12:28:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-28 12:28:23,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:28:23,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346040846] [2022-04-28 12:28:23,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:28:23,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127353973] [2022-04-28 12:28:23,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127353973] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:28:23,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:28:23,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-28 12:28:23,666 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:28:23,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [693006747] [2022-04-28 12:28:23,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [693006747] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:28:23,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:28:23,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-28 12:28:23,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473088296] [2022-04-28 12:28:23,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:28:23,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2022-04-28 12:28:23,667 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:28:23,667 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-28 12:28:23,709 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:23,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 12:28:23,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:23,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 12:28:23,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-28 12:28:23,710 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-28 12:28:24,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:24,603 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2022-04-28 12:28:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 12:28:24,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2022-04-28 12:28:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:28:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-28 12:28:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-28 12:28:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-28 12:28:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-28 12:28:24,605 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-28 12:28:24,655 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:24,658 INFO L225 Difference]: With dead ends: 198 [2022-04-28 12:28:24,658 INFO L226 Difference]: Without dead ends: 195 [2022-04-28 12:28:24,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-04-28 12:28:24,658 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 12:28:24,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 12:28:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-28 12:28:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2022-04-28 12:28:25,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:28:25,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-28 12:28:25,058 INFO L74 IsIncluded]: Start isIncluded. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-28 12:28:25,059 INFO L87 Difference]: Start difference. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-28 12:28:25,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:25,063 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-28 12:28:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-28 12:28:25,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:25,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:25,064 INFO L74 IsIncluded]: Start isIncluded. First operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand 195 states. [2022-04-28 12:28:25,064 INFO L87 Difference]: Start difference. First operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand 195 states. [2022-04-28 12:28:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:28:25,067 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-28 12:28:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-28 12:28:25,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:28:25,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:28:25,068 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:28:25,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:28:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-28 12:28:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-04-28 12:28:25,072 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 122 [2022-04-28 12:28:25,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:28:25,073 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-04-28 12:28:25,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-28 12:28:25,073 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 194 states and 262 transitions. [2022-04-28 12:28:25,612 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:28:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-04-28 12:28:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-28 12:28:25,613 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:28:25,613 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:28:25,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-28 12:28:25,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-28 12:28:25,814 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:28:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:28:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-28 12:28:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:28:25,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1009181698] [2022-04-28 12:28:25,814 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:28:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-28 12:28:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:28:25,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402711796] [2022-04-28 12:28:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:28:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:28:25,833 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:28:25,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776419748] [2022-04-28 12:28:25,833 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 12:28:25,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:28:25,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:28:25,839 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:28:25,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-28 12:28:25,916 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-28 12:28:25,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:28:25,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 82 conjunts are in the unsatisfiable core [2022-04-28 12:28:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:28:25,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:28:26,964 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 1: Hoare triple {18162#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 5: Hoare triple {18162#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L272 TraceCheckUtils]: 6: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 11: Hoare triple {18162#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L272 TraceCheckUtils]: 12: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L272 TraceCheckUtils]: 17: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,965 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L272 TraceCheckUtils]: 22: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 27: Hoare triple {18162#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,966 INFO L272 TraceCheckUtils]: 28: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,966 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,967 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,967 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,967 INFO L272 TraceCheckUtils]: 33: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,967 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,967 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,967 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,968 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,968 INFO L290 TraceCheckUtils]: 38: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,969 INFO L290 TraceCheckUtils]: 39: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,969 INFO L290 TraceCheckUtils]: 40: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,969 INFO L272 TraceCheckUtils]: 41: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,969 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,969 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,969 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,970 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,970 INFO L272 TraceCheckUtils]: 46: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,970 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:26,970 INFO L290 TraceCheckUtils]: 48: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,971 INFO L290 TraceCheckUtils]: 49: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,971 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,972 INFO L272 TraceCheckUtils]: 51: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,972 INFO L272 TraceCheckUtils]: 56: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,972 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,973 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,973 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,974 INFO L290 TraceCheckUtils]: 61: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,974 INFO L290 TraceCheckUtils]: 62: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:28:26,974 INFO L290 TraceCheckUtils]: 63: Hoare triple {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:28:26,975 INFO L290 TraceCheckUtils]: 64: Hoare triple {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:28:26,975 INFO L290 TraceCheckUtils]: 65: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:28:26,975 INFO L272 TraceCheckUtils]: 66: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,975 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,975 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,975 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,976 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {18162#true} {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-28 12:28:26,976 INFO L272 TraceCheckUtils]: 71: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,976 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:26,977 INFO L290 TraceCheckUtils]: 73: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,977 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,978 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,978 INFO L272 TraceCheckUtils]: 76: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,978 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,978 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,978 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,978 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {18162#true} {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,978 INFO L272 TraceCheckUtils]: 81: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,979 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,979 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,979 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,979 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {18162#true} {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,980 INFO L290 TraceCheckUtils]: 86: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,980 INFO L290 TraceCheckUtils]: 87: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} assume !false; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,981 INFO L272 TraceCheckUtils]: 88: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #91#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,981 INFO L272 TraceCheckUtils]: 93: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,981 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,982 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,982 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #93#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,982 INFO L272 TraceCheckUtils]: 98: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,982 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,982 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,982 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,983 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #95#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,983 INFO L272 TraceCheckUtils]: 103: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,983 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:28:26,983 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:28:26,983 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:28:26,984 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #97#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,984 INFO L290 TraceCheckUtils]: 108: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} assume !(~c~0 >= ~b~0); {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-28 12:28:26,985 INFO L290 TraceCheckUtils]: 109: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,985 INFO L290 TraceCheckUtils]: 110: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,986 INFO L290 TraceCheckUtils]: 111: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,986 INFO L290 TraceCheckUtils]: 112: Hoare triple {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,986 INFO L272 TraceCheckUtils]: 113: Hoare triple {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,986 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:26,987 INFO L290 TraceCheckUtils]: 115: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,987 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,988 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:28:26,988 INFO L272 TraceCheckUtils]: 118: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:28:26,988 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:26,988 INFO L290 TraceCheckUtils]: 120: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,988 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:28:26,989 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {18544#(and (= main_~s~0 1) (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~x~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0))} is VALID [2022-04-28 12:28:26,990 INFO L272 TraceCheckUtils]: 123: Hoare triple {18544#(and (= main_~s~0 1) (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~x~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:28:26,990 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:28:26,991 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-28 12:28:26,991 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-28 12:28:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 99 proven. 86 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-04-28 12:28:26,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:29:55,105 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-28 12:29:55,105 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-28 12:29:55,106 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:29:55,106 INFO L272 TraceCheckUtils]: 123: Hoare triple {18568#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:29:55,107 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} #93#return; {18568#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-28 12:29:55,107 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,108 INFO L290 TraceCheckUtils]: 120: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,108 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:29:55,108 INFO L272 TraceCheckUtils]: 118: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,109 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-28 12:29:55,109 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,110 INFO L290 TraceCheckUtils]: 115: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,110 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:29:55,110 INFO L272 TraceCheckUtils]: 113: Hoare triple {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,110 INFO L290 TraceCheckUtils]: 112: Hoare triple {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:29:55,111 INFO L290 TraceCheckUtils]: 111: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:29:55,111 INFO L290 TraceCheckUtils]: 110: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !false; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-28 12:29:55,124 INFO L290 TraceCheckUtils]: 109: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-28 12:29:55,125 INFO L290 TraceCheckUtils]: 108: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !(~c~0 >= ~b~0); {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,125 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #97#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,125 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L272 TraceCheckUtils]: 103: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,126 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,126 INFO L272 TraceCheckUtils]: 98: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,127 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,127 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,127 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,127 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,127 INFO L272 TraceCheckUtils]: 93: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,128 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,128 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,128 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,128 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,129 INFO L272 TraceCheckUtils]: 88: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,129 INFO L290 TraceCheckUtils]: 87: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,530 INFO L290 TraceCheckUtils]: 86: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,531 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #97#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,531 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,531 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,531 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,531 INFO L272 TraceCheckUtils]: 81: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,532 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,532 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,532 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,532 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,532 INFO L272 TraceCheckUtils]: 76: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,533 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,533 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,534 INFO L290 TraceCheckUtils]: 73: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:29:55,534 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:29:55,534 INFO L272 TraceCheckUtils]: 71: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,535 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {18162#true} {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,535 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,535 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,535 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,535 INFO L272 TraceCheckUtils]: 66: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,535 INFO L290 TraceCheckUtils]: 65: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 64: Hoare triple {18162#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 63: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 62: Hoare triple {18162#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 61: Hoare triple {18162#true} assume !(~c~0 >= ~b~0); {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18162#true} #97#return; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L272 TraceCheckUtils]: 56: Hoare triple {18162#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18162#true} #95#return; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,536 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L272 TraceCheckUtils]: 51: Hoare triple {18162#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18162#true} {18162#true} #93#return; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 49: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 48: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L272 TraceCheckUtils]: 46: Hoare triple {18162#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18162#true} #91#return; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L272 TraceCheckUtils]: 41: Hoare triple {18162#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 40: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 39: Hoare triple {18162#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 38: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18162#true} #89#return; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L272 TraceCheckUtils]: 33: Hoare triple {18162#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,537 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18162#true} #87#return; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L272 TraceCheckUtils]: 28: Hoare triple {18162#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 27: Hoare triple {18162#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L272 TraceCheckUtils]: 22: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L272 TraceCheckUtils]: 17: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,538 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L272 TraceCheckUtils]: 12: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 11: Hoare triple {18162#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L272 TraceCheckUtils]: 6: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 5: Hoare triple {18162#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L290 TraceCheckUtils]: 1: Hoare triple {18162#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {18162#true} is VALID [2022-04-28 12:29:55,539 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-28 12:29:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 130 proven. 29 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-28 12:29:55,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:29:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402711796] [2022-04-28 12:29:55,540 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:29:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776419748] [2022-04-28 12:29:55,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776419748] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:29:55,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:29:55,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 22 [2022-04-28 12:29:55,540 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:29:55,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1009181698] [2022-04-28 12:29:55,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1009181698] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:29:55,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:29:55,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-28 12:29:55,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199723472] [2022-04-28 12:29:55,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:29:55,541 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 127 [2022-04-28 12:29:55,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:29:55,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-28 12:29:55,620 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:29:55,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-28 12:29:55,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:29:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-28 12:29:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-04-28 12:29:55,621 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-28 12:29:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:29:58,500 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2022-04-28 12:29:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-28 12:29:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 127 [2022-04-28 12:29:58,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:29:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-28 12:29:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-28 12:29:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-28 12:29:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-28 12:29:58,503 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 135 transitions. [2022-04-28 12:29:58,664 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:29:58,669 INFO L225 Difference]: With dead ends: 265 [2022-04-28 12:29:58,669 INFO L226 Difference]: Without dead ends: 263 [2022-04-28 12:29:58,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-04-28 12:29:58,669 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-28 12:29:58,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 311 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-28 12:29:58,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-04-28 12:29:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2022-04-28 12:29:59,124 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:29:59,124 INFO L82 GeneralOperation]: Start isEquivalent. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:29:59,125 INFO L74 IsIncluded]: Start isIncluded. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:29:59,125 INFO L87 Difference]: Start difference. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:29:59,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:29:59,130 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-28 12:29:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-28 12:29:59,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:29:59,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:29:59,132 INFO L74 IsIncluded]: Start isIncluded. First operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 263 states. [2022-04-28 12:29:59,132 INFO L87 Difference]: Start difference. First operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 263 states. [2022-04-28 12:29:59,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:29:59,136 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-28 12:29:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-28 12:29:59,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:29:59,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:29:59,137 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:29:59,137 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:29:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:29:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 350 transitions. [2022-04-28 12:29:59,142 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 350 transitions. Word has length 127 [2022-04-28 12:29:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:29:59,142 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 350 transitions. [2022-04-28 12:29:59,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-28 12:29:59,143 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 260 states and 350 transitions. [2022-04-28 12:29:59,813 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:29:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 350 transitions. [2022-04-28 12:29:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-28 12:29:59,821 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:29:59,821 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:29:59,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-28 12:30:00,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-04-28 12:30:00,031 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:30:00,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:30:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-28 12:30:00,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:30:00,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2030423756] [2022-04-28 12:30:00,032 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:30:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-28 12:30:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:30:00,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553688152] [2022-04-28 12:30:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:30:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:30:00,054 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:30:00,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661415889] [2022-04-28 12:30:00,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:30:00,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:30:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:30:00,064 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:30:00,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-28 12:30:00,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:30:00,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:30:00,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-28 12:30:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:30:00,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:30:10,480 INFO L272 TraceCheckUtils]: 0: Hoare triple {20527#true} call ULTIMATE.init(); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {20527#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 2: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20527#true} {20527#true} #103#return; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L272 TraceCheckUtils]: 4: Hoare triple {20527#true} call #t~ret6 := main(); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 5: Hoare triple {20527#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L272 TraceCheckUtils]: 6: Hoare triple {20527#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 7: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 8: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 9: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {20527#true} {20527#true} #79#return; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 11: Hoare triple {20527#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L272 TraceCheckUtils]: 12: Hoare triple {20527#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 13: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 14: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,481 INFO L290 TraceCheckUtils]: 15: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,482 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {20527#true} {20527#true} #81#return; {20527#true} is VALID [2022-04-28 12:30:10,482 INFO L272 TraceCheckUtils]: 17: Hoare triple {20527#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,482 INFO L290 TraceCheckUtils]: 18: Hoare triple {20527#true} ~cond := #in~cond; {20586#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 12:30:10,482 INFO L290 TraceCheckUtils]: 19: Hoare triple {20586#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {20590#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:30:10,482 INFO L290 TraceCheckUtils]: 20: Hoare triple {20590#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {20590#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 12:30:10,482 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {20590#(not (= |assume_abort_if_not_#in~cond| 0))} {20527#true} #83#return; {20597#(<= 1 main_~x~0)} is VALID [2022-04-28 12:30:10,483 INFO L272 TraceCheckUtils]: 22: Hoare triple {20597#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 23: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 24: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 25: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {20527#true} {20597#(<= 1 main_~x~0)} #85#return; {20597#(<= 1 main_~x~0)} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 27: Hoare triple {20597#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,483 INFO L272 TraceCheckUtils]: 28: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 29: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,483 INFO L290 TraceCheckUtils]: 30: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,484 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,484 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {20527#true} {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,484 INFO L272 TraceCheckUtils]: 33: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,484 INFO L290 TraceCheckUtils]: 34: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,484 INFO L290 TraceCheckUtils]: 35: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,484 INFO L290 TraceCheckUtils]: 36: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,485 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {20527#true} {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,485 INFO L290 TraceCheckUtils]: 38: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,485 INFO L290 TraceCheckUtils]: 39: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 40: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,486 INFO L272 TraceCheckUtils]: 41: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 42: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 43: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 44: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,486 INFO L272 TraceCheckUtils]: 46: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 47: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 48: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,486 INFO L290 TraceCheckUtils]: 49: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,487 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,487 INFO L272 TraceCheckUtils]: 51: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,487 INFO L290 TraceCheckUtils]: 52: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,487 INFO L290 TraceCheckUtils]: 53: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,487 INFO L290 TraceCheckUtils]: 54: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,487 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,487 INFO L272 TraceCheckUtils]: 56: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,488 INFO L290 TraceCheckUtils]: 57: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,488 INFO L290 TraceCheckUtils]: 58: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,488 INFO L290 TraceCheckUtils]: 59: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,488 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,489 INFO L290 TraceCheckUtils]: 61: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,489 INFO L290 TraceCheckUtils]: 62: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,489 INFO L272 TraceCheckUtils]: 63: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,490 INFO L290 TraceCheckUtils]: 64: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,490 INFO L290 TraceCheckUtils]: 65: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,490 INFO L290 TraceCheckUtils]: 66: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,490 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,490 INFO L272 TraceCheckUtils]: 68: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,490 INFO L290 TraceCheckUtils]: 69: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L290 TraceCheckUtils]: 70: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L290 TraceCheckUtils]: 71: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,491 INFO L272 TraceCheckUtils]: 73: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L290 TraceCheckUtils]: 74: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L290 TraceCheckUtils]: 75: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,491 INFO L290 TraceCheckUtils]: 76: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,492 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,492 INFO L272 TraceCheckUtils]: 78: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,492 INFO L290 TraceCheckUtils]: 79: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,492 INFO L290 TraceCheckUtils]: 80: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,492 INFO L290 TraceCheckUtils]: 81: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,492 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,493 INFO L290 TraceCheckUtils]: 83: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,494 INFO L290 TraceCheckUtils]: 84: Hoare triple {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} assume !false; {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,494 INFO L272 TraceCheckUtils]: 85: Hoare triple {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,494 INFO L290 TraceCheckUtils]: 86: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,494 INFO L290 TraceCheckUtils]: 87: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,494 INFO L290 TraceCheckUtils]: 88: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,496 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} #91#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,496 INFO L272 TraceCheckUtils]: 90: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,496 INFO L290 TraceCheckUtils]: 91: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,496 INFO L290 TraceCheckUtils]: 92: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,496 INFO L290 TraceCheckUtils]: 93: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,496 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {20527#true} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #93#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,497 INFO L272 TraceCheckUtils]: 95: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,497 INFO L290 TraceCheckUtils]: 96: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,497 INFO L290 TraceCheckUtils]: 97: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,497 INFO L290 TraceCheckUtils]: 98: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,497 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,498 INFO L272 TraceCheckUtils]: 100: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,498 INFO L290 TraceCheckUtils]: 101: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,498 INFO L290 TraceCheckUtils]: 102: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,498 INFO L290 TraceCheckUtils]: 103: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,499 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,499 INFO L290 TraceCheckUtils]: 105: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {20857#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= (* main_~y~0 2) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} is VALID [2022-04-28 12:30:10,501 INFO L290 TraceCheckUtils]: 106: Hoare triple {20857#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= (* main_~y~0 2) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,501 INFO L290 TraceCheckUtils]: 107: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,502 INFO L290 TraceCheckUtils]: 108: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,502 INFO L290 TraceCheckUtils]: 109: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,502 INFO L272 TraceCheckUtils]: 110: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,502 INFO L290 TraceCheckUtils]: 111: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,502 INFO L290 TraceCheckUtils]: 112: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,502 INFO L290 TraceCheckUtils]: 113: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L284 TraceCheckUtils]: 114: Hoare quadruple {20527#true} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,503 INFO L272 TraceCheckUtils]: 115: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L290 TraceCheckUtils]: 116: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L290 TraceCheckUtils]: 117: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L290 TraceCheckUtils]: 118: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L284 TraceCheckUtils]: 119: Hoare quadruple {20527#true} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,503 INFO L272 TraceCheckUtils]: 120: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-28 12:30:10,503 INFO L290 TraceCheckUtils]: 121: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,504 INFO L290 TraceCheckUtils]: 122: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,504 INFO L290 TraceCheckUtils]: 123: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:30:10,504 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:30:10,506 INFO L272 TraceCheckUtils]: 125: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20919#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:30:10,506 INFO L290 TraceCheckUtils]: 126: Hoare triple {20919#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {20923#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:30:10,506 INFO L290 TraceCheckUtils]: 127: Hoare triple {20923#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {20528#false} is VALID [2022-04-28 12:30:10,507 INFO L290 TraceCheckUtils]: 128: Hoare triple {20528#false} assume !false; {20528#false} is VALID [2022-04-28 12:30:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 142 proven. 88 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-28 12:30:10,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:32:48,344 WARN L828 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-28 12:32:52,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:32:52,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553688152] [2022-04-28 12:32:52,865 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:32:52,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661415889] [2022-04-28 12:32:52,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661415889] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 12:32:52,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 12:32:52,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-04-28 12:32:52,866 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:32:52,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2030423756] [2022-04-28 12:32:52,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2030423756] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:32:52,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:32:52,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-28 12:32:52,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97372618] [2022-04-28 12:32:52,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:32:52,866 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-28 12:32:52,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:32:52,867 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-28 12:32:52,970 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:32:52,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-28 12:32:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:32:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-28 12:32:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=437, Unknown=1, NotChecked=0, Total=552 [2022-04-28 12:32:52,971 INFO L87 Difference]: Start difference. First operand 260 states and 350 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-28 12:32:54,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-28 12:32:59,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:32:59,411 INFO L93 Difference]: Finished difference Result 268 states and 357 transitions. [2022-04-28 12:32:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-28 12:32:59,411 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-28 12:32:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:32:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-28 12:32:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-28 12:32:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-28 12:32:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-28 12:32:59,428 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 113 transitions. [2022-04-28 12:32:59,544 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:32:59,553 INFO L225 Difference]: With dead ends: 268 [2022-04-28 12:32:59,553 INFO L226 Difference]: Without dead ends: 266 [2022-04-28 12:32:59,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=159, Invalid=652, Unknown=1, NotChecked=0, Total=812 [2022-04-28 12:32:59,557 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 39 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-04-28 12:32:59,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 193 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-04-28 12:32:59,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-28 12:33:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2022-04-28 12:33:00,046 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:33:00,047 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:33:00,047 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:33:00,047 INFO L87 Difference]: Start difference. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:33:00,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:33:00,052 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-28 12:33:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-28 12:33:00,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:33:00,053 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:33:00,053 INFO L74 IsIncluded]: Start isIncluded. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 266 states. [2022-04-28 12:33:00,053 INFO L87 Difference]: Start difference. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 266 states. [2022-04-28 12:33:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:33:00,078 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-28 12:33:00,078 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-28 12:33:00,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:33:00,079 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:33:00,079 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:33:00,079 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:33:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-28 12:33:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-28 12:33:00,086 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 129 [2022-04-28 12:33:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:33:00,086 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-28 12:33:00,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-28 12:33:00,086 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-28 12:33:00,801 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:33:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-28 12:33:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-28 12:33:00,812 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:33:00,812 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:33:00,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-28 12:33:01,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:33:01,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:33:01,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:33:01,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-28 12:33:01,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:33:01,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [638794247] [2022-04-28 12:33:01,029 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:33:01,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-28 12:33:01,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:33:01,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12854708] [2022-04-28 12:33:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:33:01,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:33:01,057 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:33:01,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698958928] [2022-04-28 12:33:01,058 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 12:33:01,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:33:01,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:33:01,079 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:33:01,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-28 12:33:01,166 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 12:33:01,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:33:01,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-28 12:33:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:33:01,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:33:03,264 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 1: Hoare triple {22663#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 5: Hoare triple {22663#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L272 TraceCheckUtils]: 6: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-28 12:33:03,264 INFO L290 TraceCheckUtils]: 11: Hoare triple {22663#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L272 TraceCheckUtils]: 12: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L272 TraceCheckUtils]: 17: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L272 TraceCheckUtils]: 22: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,265 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L290 TraceCheckUtils]: 27: Hoare triple {22663#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,266 INFO L272 TraceCheckUtils]: 28: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {22663#true} {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,266 INFO L272 TraceCheckUtils]: 33: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,266 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,267 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,267 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,267 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {22663#true} {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,267 INFO L290 TraceCheckUtils]: 38: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,268 INFO L290 TraceCheckUtils]: 39: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,268 INFO L290 TraceCheckUtils]: 40: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,268 INFO L272 TraceCheckUtils]: 41: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,268 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,268 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,268 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,269 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {22663#true} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,269 INFO L272 TraceCheckUtils]: 46: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,269 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,269 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,269 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,269 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {22663#true} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,270 INFO L272 TraceCheckUtils]: 51: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,270 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,270 INFO L290 TraceCheckUtils]: 53: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,270 INFO L290 TraceCheckUtils]: 54: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,271 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,271 INFO L272 TraceCheckUtils]: 56: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,271 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,271 INFO L290 TraceCheckUtils]: 58: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,271 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,272 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {22852#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,273 INFO L290 TraceCheckUtils]: 61: Hoare triple {22852#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {22856#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:33:03,273 INFO L290 TraceCheckUtils]: 62: Hoare triple {22856#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,274 INFO L290 TraceCheckUtils]: 63: Hoare triple {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,274 INFO L290 TraceCheckUtils]: 64: Hoare triple {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,275 INFO L290 TraceCheckUtils]: 65: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,275 INFO L272 TraceCheckUtils]: 66: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,275 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,275 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,275 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,275 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,276 INFO L272 TraceCheckUtils]: 71: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,276 INFO L272 TraceCheckUtils]: 76: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,276 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,277 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,277 INFO L272 TraceCheckUtils]: 81: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,277 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,277 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,277 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,278 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,279 INFO L290 TraceCheckUtils]: 86: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,279 INFO L290 TraceCheckUtils]: 87: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,279 INFO L272 TraceCheckUtils]: 88: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,280 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,280 INFO L290 TraceCheckUtils]: 90: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,280 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,281 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,281 INFO L272 TraceCheckUtils]: 93: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,281 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,281 INFO L290 TraceCheckUtils]: 95: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,281 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,284 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-28 12:33:03,284 INFO L272 TraceCheckUtils]: 98: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,284 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,284 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,284 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,285 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {22663#true} {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} #95#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-28 12:33:03,285 INFO L272 TraceCheckUtils]: 103: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,285 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,285 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,285 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,285 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {22663#true} {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} #97#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-28 12:33:03,286 INFO L290 TraceCheckUtils]: 108: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} assume !(~c~0 >= ~b~0); {23002#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (< 0 main_~c~0) (= main_~s~0 0) (not (<= main_~x~0 main_~c~0)) (= (+ main_~c~0 main_~x~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~y~0 main_~x~0) (* main_~c~0 main_~y~0))) (= main_~p~0 0) (= main_~r~0 1) (= main_~k~0 1) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,288 INFO L290 TraceCheckUtils]: 109: Hoare triple {23002#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (< 0 main_~c~0) (= main_~s~0 0) (not (<= main_~x~0 main_~c~0)) (= (+ main_~c~0 main_~x~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~y~0 main_~x~0) (* main_~c~0 main_~y~0))) (= main_~p~0 0) (= main_~r~0 1) (= main_~k~0 1) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,288 INFO L290 TraceCheckUtils]: 110: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,289 INFO L290 TraceCheckUtils]: 111: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,289 INFO L290 TraceCheckUtils]: 112: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,289 INFO L272 TraceCheckUtils]: 113: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,289 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {22663#true} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,290 INFO L272 TraceCheckUtils]: 118: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:33:03,290 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:33:03,291 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {22663#true} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,291 INFO L272 TraceCheckUtils]: 123: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:33:03,291 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,291 INFO L290 TraceCheckUtils]: 125: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,291 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:33:03,292 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 12:33:03,294 INFO L272 TraceCheckUtils]: 128: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:33:03,294 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:33:03,294 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-28 12:33:03,294 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-28 12:33:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 103 proven. 117 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-28 12:33:03,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 12:35:03,259 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-28 12:35:03,260 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-28 12:35:03,260 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:35:03,261 INFO L272 TraceCheckUtils]: 128: Hoare triple {23084#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:35:03,262 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {23084#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-28 12:35:03,262 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:03,262 INFO L290 TraceCheckUtils]: 125: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:03,263 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:35:03,263 INFO L272 TraceCheckUtils]: 123: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:03,263 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {22663#true} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:35:03,263 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:03,263 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:03,263 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:03,263 INFO L272 TraceCheckUtils]: 118: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:03,264 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {22663#true} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:35:03,264 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:03,264 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:03,264 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:03,264 INFO L272 TraceCheckUtils]: 113: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:03,265 INFO L290 TraceCheckUtils]: 112: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:35:03,265 INFO L290 TraceCheckUtils]: 111: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:35:03,265 INFO L290 TraceCheckUtils]: 110: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-28 12:35:05,267 WARN L290 TraceCheckUtils]: 109: Hoare triple {23144#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-28 12:35:05,268 INFO L290 TraceCheckUtils]: 108: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {23144#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:35:05,268 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {22663#true} {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:35:05,268 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,268 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,268 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,269 INFO L272 TraceCheckUtils]: 103: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,269 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {22663#true} {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:35:05,269 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,269 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,269 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,269 INFO L272 TraceCheckUtils]: 98: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,270 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:35:05,271 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:05,271 INFO L290 TraceCheckUtils]: 95: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:05,271 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:35:05,271 INFO L272 TraceCheckUtils]: 93: Hoare triple {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,272 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-28 12:35:05,273 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:05,273 INFO L290 TraceCheckUtils]: 90: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:05,273 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:35:05,273 INFO L272 TraceCheckUtils]: 88: Hoare triple {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,274 INFO L290 TraceCheckUtils]: 87: Hoare triple {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:35:05,283 INFO L290 TraceCheckUtils]: 86: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-28 12:35:05,284 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #97#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,284 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,284 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,284 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,285 INFO L272 TraceCheckUtils]: 81: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,285 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #95#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,285 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,285 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,285 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,285 INFO L272 TraceCheckUtils]: 76: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,286 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #93#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,286 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,286 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,286 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,286 INFO L272 TraceCheckUtils]: 71: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,287 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #91#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,287 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:05,287 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:05,287 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:05,287 INFO L272 TraceCheckUtils]: 66: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:05,288 INFO L290 TraceCheckUtils]: 65: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} assume !false; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,289 INFO L290 TraceCheckUtils]: 64: Hoare triple {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-28 12:35:05,289 INFO L290 TraceCheckUtils]: 63: Hoare triple {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-28 12:35:07,294 WARN L290 TraceCheckUtils]: 62: Hoare triple {23291#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is UNKNOWN [2022-04-28 12:35:07,295 INFO L290 TraceCheckUtils]: 61: Hoare triple {23295#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} assume !(~c~0 >= ~b~0); {23291#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-28 12:35:07,297 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #97#return; {23295#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,297 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:07,297 INFO L290 TraceCheckUtils]: 58: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:07,297 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 12:35:07,298 INFO L272 TraceCheckUtils]: 56: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,298 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #95#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,298 INFO L290 TraceCheckUtils]: 54: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,298 INFO L290 TraceCheckUtils]: 53: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,298 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,298 INFO L272 TraceCheckUtils]: 51: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,299 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #93#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,299 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,299 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,299 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,299 INFO L272 TraceCheckUtils]: 46: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,300 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #91#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,300 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,300 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,300 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,300 INFO L272 TraceCheckUtils]: 41: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,301 INFO L290 TraceCheckUtils]: 40: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} assume !false; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,303 INFO L290 TraceCheckUtils]: 39: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-28 12:35:07,303 INFO L290 TraceCheckUtils]: 38: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} assume !false; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-28 12:35:07,304 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {22663#true} {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} #89#return; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-28 12:35:07,304 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,304 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,304 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,304 INFO L272 TraceCheckUtils]: 33: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,305 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {22663#true} {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} #87#return; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-28 12:35:07,305 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,305 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,305 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,305 INFO L272 TraceCheckUtils]: 28: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 27: Hoare triple {22663#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-28 12:35:07,307 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L272 TraceCheckUtils]: 22: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L272 TraceCheckUtils]: 17: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,307 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L272 TraceCheckUtils]: 12: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 11: Hoare triple {22663#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L272 TraceCheckUtils]: 6: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 5: Hoare triple {22663#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {22663#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {22663#true} is VALID [2022-04-28 12:35:07,308 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-28 12:35:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 114 proven. 88 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-04-28 12:35:07,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 12:35:07,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12854708] [2022-04-28 12:35:07,309 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 12:35:07,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698958928] [2022-04-28 12:35:07,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698958928] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 12:35:07,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 12:35:07,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 29 [2022-04-28 12:35:07,310 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 12:35:07,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [638794247] [2022-04-28 12:35:07,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [638794247] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 12:35:07,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 12:35:07,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-28 12:35:07,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165587710] [2022-04-28 12:35:07,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 12:35:07,310 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-28 12:35:07,310 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 12:35:07,310 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-28 12:35:07,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:35:07,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-28 12:35:07,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 12:35:07,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-28 12:35:07,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=630, Unknown=1, NotChecked=0, Total=812 [2022-04-28 12:35:07,431 INFO L87 Difference]: Start difference. First operand 264 states and 353 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-28 12:35:12,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:35:12,801 INFO L93 Difference]: Finished difference Result 281 states and 367 transitions. [2022-04-28 12:35:12,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-28 12:35:12,801 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-28 12:35:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 12:35:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-28 12:35:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-28 12:35:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-28 12:35:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-28 12:35:12,803 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 125 transitions. [2022-04-28 12:35:12,983 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:35:12,988 INFO L225 Difference]: With dead ends: 281 [2022-04-28 12:35:12,988 INFO L226 Difference]: Without dead ends: 279 [2022-04-28 12:35:12,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=260, Invalid=929, Unknown=1, NotChecked=0, Total=1190 [2022-04-28 12:35:12,989 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-28 12:35:12,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 266 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-28 12:35:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-28 12:35:13,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2022-04-28 12:35:13,499 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 12:35:13,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-28 12:35:13,500 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-28 12:35:13,500 INFO L87 Difference]: Start difference. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-28 12:35:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:35:13,506 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-28 12:35:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-28 12:35:13,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:35:13,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:35:13,508 INFO L74 IsIncluded]: Start isIncluded. First operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 279 states. [2022-04-28 12:35:13,508 INFO L87 Difference]: Start difference. First operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 279 states. [2022-04-28 12:35:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 12:35:13,524 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-28 12:35:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-28 12:35:13,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 12:35:13,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 12:35:13,525 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 12:35:13,525 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 12:35:13,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-28 12:35:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 318 transitions. [2022-04-28 12:35:13,530 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 318 transitions. Word has length 132 [2022-04-28 12:35:13,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 12:35:13,530 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 318 transitions. [2022-04-28 12:35:13,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-28 12:35:13,530 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 243 states and 318 transitions. [2022-04-28 12:35:14,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 318 edges. 318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 12:35:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 318 transitions. [2022-04-28 12:35:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-28 12:35:14,312 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 12:35:14,312 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 12:35:14,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-28 12:35:14,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:35:14,513 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 12:35:14,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 12:35:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-28 12:35:14,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 12:35:14,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1283449157] [2022-04-28 12:35:14,513 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 12:35:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-28 12:35:14,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 12:35:14,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721978726] [2022-04-28 12:35:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 12:35:14,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 12:35:14,524 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 12:35:14,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613783433] [2022-04-28 12:35:14,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 12:35:14,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 12:35:14,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 12:35:14,530 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 12:35:14,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-28 12:35:14,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 12:35:14,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 12:35:14,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-28 12:35:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 12:35:14,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 12:35:15,532 INFO L272 TraceCheckUtils]: 0: Hoare triple {25101#true} call ULTIMATE.init(); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 1: Hoare triple {25101#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 2: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25101#true} {25101#true} #103#return; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L272 TraceCheckUtils]: 4: Hoare triple {25101#true} call #t~ret6 := main(); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 5: Hoare triple {25101#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L272 TraceCheckUtils]: 6: Hoare triple {25101#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 7: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 8: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 9: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25101#true} {25101#true} #79#return; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 11: Hoare triple {25101#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L272 TraceCheckUtils]: 12: Hoare triple {25101#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 13: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 14: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,533 INFO L290 TraceCheckUtils]: 15: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25101#true} {25101#true} #81#return; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L272 TraceCheckUtils]: 17: Hoare triple {25101#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 18: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 19: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 20: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25101#true} {25101#true} #83#return; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L272 TraceCheckUtils]: 22: Hoare triple {25101#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 23: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 24: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 25: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25101#true} {25101#true} #85#return; {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 27: Hoare triple {25101#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,534 INFO L272 TraceCheckUtils]: 28: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,534 INFO L290 TraceCheckUtils]: 29: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L290 TraceCheckUtils]: 30: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L290 TraceCheckUtils]: 31: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {25101#true} {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,535 INFO L272 TraceCheckUtils]: 33: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L290 TraceCheckUtils]: 34: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L290 TraceCheckUtils]: 35: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,535 INFO L290 TraceCheckUtils]: 36: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,536 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {25101#true} {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,536 INFO L290 TraceCheckUtils]: 38: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,536 INFO L290 TraceCheckUtils]: 39: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,536 INFO L290 TraceCheckUtils]: 40: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,536 INFO L272 TraceCheckUtils]: 41: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 42: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 43: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 44: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,537 INFO L272 TraceCheckUtils]: 46: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 47: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 48: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,537 INFO L290 TraceCheckUtils]: 49: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,538 INFO L272 TraceCheckUtils]: 51: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 52: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 53: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 54: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,538 INFO L272 TraceCheckUtils]: 56: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 57: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 58: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,538 INFO L290 TraceCheckUtils]: 59: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,539 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,539 INFO L290 TraceCheckUtils]: 61: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,540 INFO L290 TraceCheckUtils]: 62: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,540 INFO L272 TraceCheckUtils]: 63: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,540 INFO L290 TraceCheckUtils]: 64: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,540 INFO L290 TraceCheckUtils]: 65: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,540 INFO L290 TraceCheckUtils]: 66: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,540 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,540 INFO L272 TraceCheckUtils]: 68: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 69: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 70: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 71: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,541 INFO L272 TraceCheckUtils]: 73: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 74: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 75: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,541 INFO L290 TraceCheckUtils]: 76: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,542 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,542 INFO L272 TraceCheckUtils]: 78: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,542 INFO L290 TraceCheckUtils]: 79: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,542 INFO L290 TraceCheckUtils]: 80: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,542 INFO L290 TraceCheckUtils]: 81: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,542 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,543 INFO L290 TraceCheckUtils]: 83: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 84: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,544 INFO L272 TraceCheckUtils]: 85: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 86: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 87: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 88: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,544 INFO L272 TraceCheckUtils]: 90: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 91: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,544 INFO L290 TraceCheckUtils]: 92: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L290 TraceCheckUtils]: 93: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,545 INFO L272 TraceCheckUtils]: 95: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L290 TraceCheckUtils]: 96: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L290 TraceCheckUtils]: 97: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L290 TraceCheckUtils]: 98: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,545 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,546 INFO L272 TraceCheckUtils]: 100: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,546 INFO L290 TraceCheckUtils]: 101: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,546 INFO L290 TraceCheckUtils]: 102: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,546 INFO L290 TraceCheckUtils]: 103: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,546 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,547 INFO L290 TraceCheckUtils]: 105: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,547 INFO L290 TraceCheckUtils]: 106: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,547 INFO L272 TraceCheckUtils]: 107: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,547 INFO L290 TraceCheckUtils]: 108: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:35:15,548 INFO L290 TraceCheckUtils]: 109: Hoare triple {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:15,548 INFO L290 TraceCheckUtils]: 110: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:15,548 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,548 INFO L272 TraceCheckUtils]: 112: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,548 INFO L290 TraceCheckUtils]: 113: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:35:15,549 INFO L290 TraceCheckUtils]: 114: Hoare triple {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:15,549 INFO L290 TraceCheckUtils]: 115: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 12:35:15,550 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,550 INFO L272 TraceCheckUtils]: 117: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 118: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 119: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 120: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L284 TraceCheckUtils]: 121: Hoare quadruple {25101#true} {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,550 INFO L272 TraceCheckUtils]: 122: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 123: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 124: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-28 12:35:15,550 INFO L290 TraceCheckUtils]: 125: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-28 12:35:15,551 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {25101#true} {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,551 INFO L290 TraceCheckUtils]: 127: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {25495#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~y~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (not (<= main_~y~0 main_~c~0)) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-28 12:35:15,552 INFO L290 TraceCheckUtils]: 128: Hoare triple {25495#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~y~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (not (<= main_~y~0 main_~c~0)) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-28 12:35:15,552 INFO L290 TraceCheckUtils]: 129: Hoare triple {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} assume !false; {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-28 12:35:15,552 INFO L290 TraceCheckUtils]: 130: Hoare triple {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} assume !(0 != ~b~0); {25506#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-28 12:35:15,553 INFO L272 TraceCheckUtils]: 131: Hoare triple {25506#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {25510#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 12:35:15,553 INFO L290 TraceCheckUtils]: 132: Hoare triple {25510#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {25514#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 12:35:15,553 INFO L290 TraceCheckUtils]: 133: Hoare triple {25514#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25102#false} is VALID [2022-04-28 12:35:15,553 INFO L290 TraceCheckUtils]: 134: Hoare triple {25102#false} assume !false; {25102#false} is VALID [2022-04-28 12:35:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 102 proven. 52 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-04-28 12:35:15,554 INFO L328 TraceCheckSpWp]: Computing backward predicates...