/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_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 12:21:26,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 12:21:26,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 12:21:26,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 12:21:26,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 12:21:26,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 12:21:26,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 12:21:26,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-08 12:21:26,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 12:21:26,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 12:21:26,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 12:21:26,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 12:21:26,639 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 12:21:26,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 12:21:26,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 12:21:26,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 12:21:26,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 12:21:26,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 12:21:26,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 12:21:26,640 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-08 12:21:26,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 12:21:26,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 12:21:26,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 12:21:26,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 12:21:26,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 12:21:26,796 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 12:21:26,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c [2022-04-08 12:21:26,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0253804/654a1ff159f54f67aeb345dd557b043c/FLAG4cbb48f29 [2022-04-08 12:21:27,202 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 12:21:27,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound5.c [2022-04-08 12:21:27,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0253804/654a1ff159f54f67aeb345dd557b043c/FLAG4cbb48f29 [2022-04-08 12:21:27,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0253804/654a1ff159f54f67aeb345dd557b043c [2022-04-08 12:21:27,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 12:21:27,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 12:21:27,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 12:21:27,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 12:21:27,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 12:21:27,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b24a935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27, skipping insertion in model container [2022-04-08 12:21:27,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 12:21:27,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 12:21:27,387 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_valuebound5.c[490,503] [2022-04-08 12:21:27,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 12:21:27,422 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 12:21:27,433 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_valuebound5.c[490,503] [2022-04-08 12:21:27,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 12:21:27,456 INFO L208 MainTranslator]: Completed translation [2022-04-08 12:21:27,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27 WrapperNode [2022-04-08 12:21:27,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 12:21:27,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 12:21:27,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 12:21:27,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 12:21:27,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 12:21:27,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 12:21:27,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 12:21:27,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 12:21:27,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (1/1) ... [2022-04-08 12:21:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 12:21:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:27,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-08 12:21:27,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-08 12:21:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 12:21:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 12:21:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 12:21:27,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 12:21:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 12:21:27,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 12:21:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 12:21:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 12:21:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 12:21:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 12:21:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 12:21:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 12:21:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 12:21:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 12:21:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 12:21:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 12:21:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 12:21:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 12:21:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 12:21:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 12:21:27,602 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 12:21:27,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 12:21:27,796 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 12:21:27,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 12:21:27,801 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-08 12:21:27,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:21:27 BoogieIcfgContainer [2022-04-08 12:21:27,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 12:21:27,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 12:21:27,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 12:21:27,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 12:21:27,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 12:21:27" (1/3) ... [2022-04-08 12:21:27,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7149d00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:21:27, skipping insertion in model container [2022-04-08 12:21:27,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:27" (2/3) ... [2022-04-08 12:21:27,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7149d00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:21:27, skipping insertion in model container [2022-04-08 12:21:27,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:21:27" (3/3) ... [2022-04-08 12:21:27,829 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound5.c [2022-04-08 12:21:27,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 12:21:27,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 12:21:27,873 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 12:21:27,877 INFO L340 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 [2022-04-08 12:21:27,877 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 12:21:27,894 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) [2022-04-08 12:21:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 12:21:27,900 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:27,900 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:27,901 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:27,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:27,906 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-08 12:21:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:27,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1969720161] [2022-04-08 12:21:27,921 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:27,921 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-08 12:21:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:27,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903789783] [2022-04-08 12:21:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 12:21:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,110 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 [2022-04-08 12:21:28,111 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-08 12:21:28,111 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-08 12:21:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 12:21:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,137 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,137 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,138 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-08 12:21:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-08 12:21:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,149 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,150 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,150 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,150 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-08 12:21:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-08 12:21:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,157 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,158 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,158 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,158 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-08 12:21:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-08 12:21:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,168 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,171 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,171 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-08 12:21:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-08 12:21:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,178 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,178 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,178 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,179 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-08 12:21:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-08 12:21:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,187 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,187 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,187 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,188 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-08 12:21:28,188 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 [2022-04-08 12:21:28,188 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 [2022-04-08 12:21:28,189 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-08 12:21:28,189 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-08 12:21:28,190 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-08 12:21:28,190 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 [2022-04-08 12:21:28,190 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {43#true} is VALID [2022-04-08 12:21:28,190 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,191 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,191 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,192 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-08 12:21:28,193 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 [2022-04-08 12:21:28,193 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {43#true} is VALID [2022-04-08 12:21:28,193 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,194 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,194 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,195 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-08 12:21:28,195 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 [2022-04-08 12:21:28,195 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,196 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,196 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,199 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-08 12:21:28,199 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 [2022-04-08 12:21:28,199 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,200 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,200 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,201 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-08 12:21:28,201 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 [2022-04-08 12:21:28,201 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 [2022-04-08 12:21:28,201 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,203 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,203 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,203 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-08 12:21:28,204 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 [2022-04-08 12:21:28,204 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 12:21:28,204 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 12:21:28,205 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 12:21:28,205 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-08 12:21:28,205 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-08 12:21:28,205 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 [2022-04-08 12:21:28,206 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-08 12:21:28,206 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-08 12:21:28,207 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-08 12:21:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 12:21:28,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:21:28,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903789783] [2022-04-08 12:21:28,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903789783] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:28,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:28,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 12:21:28,211 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:21:28,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1969720161] [2022-04-08 12:21:28,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1969720161] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:28,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:28,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 12:21:28,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185689623] [2022-04-08 12:21:28,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:21:28,215 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 [2022-04-08 12:21:28,216 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:21:28,218 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) [2022-04-08 12:21:28,252 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:28,252 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 12:21:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:28,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 12:21:28,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 12:21:28,266 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) [2022-04-08 12:21:28,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:28,471 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-08 12:21:28,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 12:21:28,472 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 [2022-04-08 12:21:28,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:21:28,473 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) [2022-04-08 12:21:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-08 12:21:28,495 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) [2022-04-08 12:21:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-08 12:21:28,499 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-08 12:21:28,621 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:28,629 INFO L225 Difference]: With dead ends: 73 [2022-04-08 12:21:28,629 INFO L226 Difference]: Without dead ends: 35 [2022-04-08 12:21:28,632 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:21:28,637 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 12:21:28,638 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 12:21:28,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-08 12:21:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-08 12:21:28,670 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:21:28,671 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) [2022-04-08 12:21:28,672 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) [2022-04-08 12:21:28,673 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) [2022-04-08 12:21:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:28,681 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-08 12:21:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 12:21:28,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:28,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:28,682 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. [2022-04-08 12:21:28,683 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. [2022-04-08 12:21:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:28,685 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-08 12:21:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 12:21:28,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:28,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:28,686 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:21:28,686 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:21:28,687 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) [2022-04-08 12:21:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-08 12:21:28,690 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-08 12:21:28,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:21:28,690 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-08 12:21:28,690 INFO L479 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) [2022-04-08 12:21:28,690 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-08 12:21:28,731 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 12:21:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-08 12:21:28,737 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:28,737 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:28,737 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 12:21:28,737 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:28,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-08 12:21:28,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:28,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [96587101] [2022-04-08 12:21:28,738 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:28,738 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-08 12:21:28,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:28,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459069698] [2022-04-08 12:21:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:28,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:28,765 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:21:28,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146092729] [2022-04-08 12:21:28,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:21:28,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:28,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:28,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:21:28,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 12:21:28,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:21:28,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:21:28,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 12:21:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:28,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:21:29,083 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-08 12:21:29,084 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 [2022-04-08 12:21:29,084 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,084 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-08 12:21:29,084 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-08 12:21:29,084 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 [2022-04-08 12:21:29,084 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-08 12:21:29,084 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,084 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,085 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,085 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-08 12:21:29,085 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 [2022-04-08 12:21:29,085 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-08 12:21:29,085 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,085 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,085 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,086 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-08 12:21:29,086 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 [2022-04-08 12:21:29,086 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,086 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,086 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,086 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-08 12:21:29,086 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 [2022-04-08 12:21:29,087 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 [2022-04-08 12:21:29,087 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 [2022-04-08 12:21:29,088 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 [2022-04-08 12:21:29,088 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 [2022-04-08 12:21:29,089 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 [2022-04-08 12:21:29,089 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 [2022-04-08 12:21:29,089 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,091 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,091 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,092 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,095 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 [2022-04-08 12:21:29,095 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,096 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,099 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,099 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,100 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,100 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-08 12:21:29,100 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 [2022-04-08 12:21:29,100 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-08 12:21:29,100 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-08 12:21:29,100 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-08 12:21:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-08 12:21:29,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:21:29,340 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-08 12:21:29,341 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-08 12:21:29,341 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-08 12:21:29,341 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 [2022-04-08 12:21:29,343 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-08 12:21:29,343 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,351 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,351 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,351 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,351 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,352 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 [2022-04-08 12:21:29,352 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 12:21:29,352 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,352 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,352 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,353 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 [2022-04-08 12:21:29,353 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 [2022-04-08 12:21:29,354 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 [2022-04-08 12:21:29,354 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 [2022-04-08 12:21:29,354 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 [2022-04-08 12:21:29,355 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 [2022-04-08 12:21:29,355 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 [2022-04-08 12:21:29,355 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-08 12:21:29,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,355 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,355 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 [2022-04-08 12:21:29,355 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-08 12:21:29,355 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,355 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,356 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,356 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-08 12:21:29,356 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 [2022-04-08 12:21:29,356 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-08 12:21:29,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,356 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 12:21:29,356 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 12:21:29,356 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {361#true} is VALID [2022-04-08 12:21:29,356 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 [2022-04-08 12:21:29,356 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-08 12:21:29,356 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-08 12:21:29,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 12:21:29,357 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 [2022-04-08 12:21:29,357 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-08 12:21:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-08 12:21:29,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:21:29,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459069698] [2022-04-08 12:21:29,357 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:21:29,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146092729] [2022-04-08 12:21:29,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146092729] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:21:29,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:21:29,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-08 12:21:29,358 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:21:29,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [96587101] [2022-04-08 12:21:29,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [96587101] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:29,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:29,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 12:21:29,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799206104] [2022-04-08 12:21:29,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:21:29,359 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 [2022-04-08 12:21:29,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:21:29,360 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) [2022-04-08 12:21:29,380 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:29,381 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 12:21:29,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 12:21:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-08 12:21:29,381 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) [2022-04-08 12:21:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:29,668 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-08 12:21:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 12:21:29,670 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 [2022-04-08 12:21:29,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:21:29,670 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) [2022-04-08 12:21:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-08 12:21:29,676 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) [2022-04-08 12:21:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-08 12:21:29,679 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-08 12:21:29,732 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:29,734 INFO L225 Difference]: With dead ends: 52 [2022-04-08 12:21:29,734 INFO L226 Difference]: Without dead ends: 44 [2022-04-08 12:21:29,735 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:21:29,737 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:21:29,739 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 128 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 12:21:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-08 12:21:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-08 12:21:29,760 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:21:29,760 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) [2022-04-08 12:21:29,762 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) [2022-04-08 12:21:29,763 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) [2022-04-08 12:21:29,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:29,768 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-08 12:21:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-08 12:21:29,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:29,769 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:29,770 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. [2022-04-08 12:21:29,770 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. [2022-04-08 12:21:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:29,777 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-08 12:21:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-08 12:21:29,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:29,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:29,778 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:21:29,778 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:21:29,779 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) [2022-04-08 12:21:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-08 12:21:29,781 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-08 12:21:29,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:21:29,781 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-08 12:21:29,781 INFO L479 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) [2022-04-08 12:21:29,781 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-08 12:21:29,822 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-08 12:21:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-08 12:21:29,824 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:29,825 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:29,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 12:21:30,041 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:30,042 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-08 12:21:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:30,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1423170805] [2022-04-08 12:21:30,043 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:30,043 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-08 12:21:30,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:30,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53840630] [2022-04-08 12:21:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:30,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:21:30,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581417806] [2022-04-08 12:21:30,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:21:30,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:30,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:21:30,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 12:21:30,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 12:21:30,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:21:30,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-08 12:21:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:30,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:21:30,258 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-08 12:21:30,258 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 [2022-04-08 12:21:30,258 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,258 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-08 12:21:30,258 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-08 12:21:30,258 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 [2022-04-08 12:21:30,259 INFO L272 TraceCheckUtils]: 6: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,259 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-08 12:21:30,259 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 [2022-04-08 12:21:30,259 INFO L272 TraceCheckUtils]: 12: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,259 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,259 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-08 12:21:30,259 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 [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,260 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-08 12:21:30,260 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 [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,260 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,260 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-08 12:21:30,260 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 [2022-04-08 12:21:30,260 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 [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,261 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-08 12:21:30,261 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 [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 12:21:30,261 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-08 12:21:30,261 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-08 12:21:30,262 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 [2022-04-08 12:21:30,262 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 [2022-04-08 12:21:30,263 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 [2022-04-08 12:21:30,263 INFO L290 TraceCheckUtils]: 42: Hoare triple {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1034#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:30,263 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-08 12:21:30,263 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-08 12:21:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 12:21:30,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 12:21:30,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:21:30,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53840630] [2022-04-08 12:21:30,264 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:21:30,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581417806] [2022-04-08 12:21:30,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581417806] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:30,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:30,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:30,265 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:21:30,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1423170805] [2022-04-08 12:21:30,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1423170805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:30,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:30,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:30,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823847074] [2022-04-08 12:21:30,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:21:30,265 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 [2022-04-08 12:21:30,265 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:21:30,266 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) [2022-04-08 12:21:30,286 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:30,286 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 12:21:30,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:30,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 12:21:30,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 12:21:30,287 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) [2022-04-08 12:21:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:30,461 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-08 12:21:30,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 12:21:30,462 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 [2022-04-08 12:21:30,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:21:30,462 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) [2022-04-08 12:21:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-08 12:21:30,463 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) [2022-04-08 12:21:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-08 12:21:30,465 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-08 12:21:30,511 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:30,512 INFO L225 Difference]: With dead ends: 50 [2022-04-08 12:21:30,512 INFO L226 Difference]: Without dead ends: 48 [2022-04-08 12:21:30,512 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:21:30,513 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:21:30,513 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 154 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 12:21:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-08 12:21:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-08 12:21:30,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:21:30,533 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) [2022-04-08 12:21:30,533 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) [2022-04-08 12:21:30,534 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) [2022-04-08 12:21:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:30,535 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-08 12:21:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-08 12:21:30,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:30,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:30,536 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. [2022-04-08 12:21:30,536 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. [2022-04-08 12:21:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:30,538 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-08 12:21:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-08 12:21:30,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:30,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:30,538 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:21:30,538 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:21:30,538 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) [2022-04-08 12:21:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-08 12:21:30,540 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-08 12:21:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:21:30,540 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-08 12:21:30,540 INFO L479 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) [2022-04-08 12:21:30,540 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-08 12:21:30,585 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-08 12:21:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-08 12:21:30,586 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:30,586 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:30,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-08 12:21:30,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-08 12:21:30,791 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:30,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-08 12:21:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:30,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1953537586] [2022-04-08 12:21:30,792 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-08 12:21:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:30,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378946877] [2022-04-08 12:21:30,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:30,809 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:21:30,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258819936] [2022-04-08 12:21:30,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:21:30,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:30,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:21:30,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 12:21:30,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:21:30,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:21:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 12:21:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:30,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:21:30,995 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-08 12:21:30,995 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 [2022-04-08 12:21:30,995 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-08 12:21:30,996 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 [2022-04-08 12:21:30,996 INFO L272 TraceCheckUtils]: 6: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-08 12:21:30,996 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 [2022-04-08 12:21:30,996 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {1324#true} is VALID [2022-04-08 12:21:30,996 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-08 12:21:30,997 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 [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-08 12:21:30,997 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 [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:30,997 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:30,998 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-08 12:21:30,999 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 [2022-04-08 12:21:30,999 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 [2022-04-08 12:21:30,999 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:30,999 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:30,999 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:31,000 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 [2022-04-08 12:21:31,000 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 [2022-04-08 12:21:31,000 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:31,000 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:31,000 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:31,001 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 [2022-04-08 12:21:31,001 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 [2022-04-08 12:21:31,002 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 [2022-04-08 12:21:31,012 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 [2022-04-08 12:21:31,013 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 [2022-04-08 12:21:31,013 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 12:21:31,016 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 12:21:31,016 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 12:21:31,017 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 [2022-04-08 12:21:31,017 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 [2022-04-08 12:21:31,018 INFO L290 TraceCheckUtils]: 47: Hoare triple {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1472#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:31,020 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-08 12:21:31,020 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-08 12:21:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 12:21:31,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 12:21:31,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:21:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378946877] [2022-04-08 12:21:31,021 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:21:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258819936] [2022-04-08 12:21:31,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258819936] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:31,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:31,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:31,021 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:21:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1953537586] [2022-04-08 12:21:31,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1953537586] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:31,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:31,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:31,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837739839] [2022-04-08 12:21:31,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:21:31,022 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 [2022-04-08 12:21:31,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:21:31,022 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) [2022-04-08 12:21:31,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:31,049 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 12:21:31,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:31,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 12:21:31,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 12:21:31,050 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) [2022-04-08 12:21:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:31,221 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-08 12:21:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 12:21:31,221 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 [2022-04-08 12:21:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:21:31,222 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) [2022-04-08 12:21:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 12:21:31,223 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) [2022-04-08 12:21:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 12:21:31,224 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-08 12:21:31,269 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:31,271 INFO L225 Difference]: With dead ends: 58 [2022-04-08 12:21:31,271 INFO L226 Difference]: Without dead ends: 56 [2022-04-08 12:21:31,272 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:21:31,273 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:21:31,274 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 161 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 12:21:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-08 12:21:31,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-08 12:21:31,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:21:31,305 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) [2022-04-08 12:21:31,305 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) [2022-04-08 12:21:31,305 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) [2022-04-08 12:21:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:31,307 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-08 12:21:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-08 12:21:31,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:31,307 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:31,308 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. [2022-04-08 12:21:31,308 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. [2022-04-08 12:21:31,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:31,310 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-08 12:21:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-08 12:21:31,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:31,310 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:31,310 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:21:31,310 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:21:31,310 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) [2022-04-08 12:21:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-08 12:21:31,312 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-08 12:21:31,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:21:31,312 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-08 12:21:31,312 INFO L479 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) [2022-04-08 12:21:31,312 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-08 12:21:31,373 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-08 12:21:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-08 12:21:31,374 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:31,374 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:31,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-08 12:21:31,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:31,590 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:31,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:31,590 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-08 12:21:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:31,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [417532419] [2022-04-08 12:21:31,591 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-08 12:21:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:31,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230314315] [2022-04-08 12:21:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:31,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:31,602 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:21:31,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [592132686] [2022-04-08 12:21:31,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:21:31,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:31,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:31,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:21:31,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 12:21:31,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:21:31,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:21:31,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 12:21:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:31,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:21:31,866 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-08 12:21:31,867 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 [2022-04-08 12:21:31,867 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,867 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-08 12:21:31,867 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-08 12:21:31,867 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 [2022-04-08 12:21:31,867 INFO L272 TraceCheckUtils]: 6: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {1818#true} is VALID [2022-04-08 12:21:31,867 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,867 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,867 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-08 12:21:31,868 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 [2022-04-08 12:21:31,868 INFO L272 TraceCheckUtils]: 12: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-08 12:21:31,868 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 [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,868 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,869 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-08 12:21:31,869 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 [2022-04-08 12:21:31,869 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,869 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,869 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,869 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-08 12:21:31,869 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 [2022-04-08 12:21:31,869 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 [2022-04-08 12:21:31,870 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,870 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,870 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,870 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 [2022-04-08 12:21:31,870 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 [2022-04-08 12:21:31,870 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,870 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,871 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,871 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 [2022-04-08 12:21:31,871 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 [2022-04-08 12:21:31,872 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 [2022-04-08 12:21:31,872 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 [2022-04-08 12:21:31,872 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 [2022-04-08 12:21:31,872 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,872 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,872 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,873 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 [2022-04-08 12:21:31,873 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 [2022-04-08 12:21:31,873 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 12:21:31,873 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 12:21:31,873 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 12:21:31,874 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 [2022-04-08 12:21:31,875 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 [2022-04-08 12:21:31,875 INFO L290 TraceCheckUtils]: 52: Hoare triple {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1981#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:31,876 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-08 12:21:31,876 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-08 12:21:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-04-08 12:21:31,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 12:21:31,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:21:31,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230314315] [2022-04-08 12:21:31,876 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:21:31,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592132686] [2022-04-08 12:21:31,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592132686] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:31,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:31,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:31,877 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:21:31,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [417532419] [2022-04-08 12:21:31,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [417532419] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:21:31,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:21:31,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:21:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608200080] [2022-04-08 12:21:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:21:31,877 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 [2022-04-08 12:21:31,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:21:31,878 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) [2022-04-08 12:21:31,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:31,901 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 12:21:31,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 12:21:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 12:21:31,902 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) [2022-04-08 12:21:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:32,086 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-08 12:21:32,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 12:21:32,086 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 [2022-04-08 12:21:32,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:21:32,087 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) [2022-04-08 12:21:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 12:21:32,088 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) [2022-04-08 12:21:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 12:21:32,089 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-08 12:21:32,135 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:32,136 INFO L225 Difference]: With dead ends: 62 [2022-04-08 12:21:32,136 INFO L226 Difference]: Without dead ends: 60 [2022-04-08 12:21:32,136 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:21:32,137 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:21:32,137 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 12:21:32,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-08 12:21:32,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-08 12:21:32,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:21:32,166 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) [2022-04-08 12:21:32,167 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) [2022-04-08 12:21:32,167 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) [2022-04-08 12:21:32,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:32,169 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-08 12:21:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-08 12:21:32,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:32,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:32,169 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. [2022-04-08 12:21:32,169 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. [2022-04-08 12:21:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:21:32,171 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-08 12:21:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-08 12:21:32,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:21:32,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:21:32,171 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:21:32,171 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:21:32,171 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) [2022-04-08 12:21:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-08 12:21:32,173 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-08 12:21:32,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:21:32,173 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-08 12:21:32,173 INFO L479 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) [2022-04-08 12:21:32,173 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-08 12:21:32,240 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:21:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-08 12:21:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-08 12:21:32,240 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:21:32,241 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:21:32,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 12:21:32,465 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:32,465 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:21:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:21:32,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-08 12:21:32,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:21:32,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1334239105] [2022-04-08 12:21:32,466 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:21:32,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-08 12:21:32,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:21:32,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864545119] [2022-04-08 12:21:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:21:32,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:21:32,477 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:21:32,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949941442] [2022-04-08 12:21:32,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:21:32,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:21:32,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:21:32,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:21:32,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 12:21:32,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:21:32,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:21:32,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-08 12:21:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:21:32,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:21:32,800 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-08 12:21:32,801 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 [2022-04-08 12:21:32,801 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-08 12:21:32,801 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 [2022-04-08 12:21:32,801 INFO L272 TraceCheckUtils]: 6: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,801 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-08 12:21:32,801 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 [2022-04-08 12:21:32,802 INFO L272 TraceCheckUtils]: 12: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-08 12:21:32,802 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 [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,802 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-08 12:21:32,802 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 [2022-04-08 12:21:32,802 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,803 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,803 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,803 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-08 12:21:32,803 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 [2022-04-08 12:21:32,803 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 [2022-04-08 12:21:32,803 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,803 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,804 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,804 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 [2022-04-08 12:21:32,804 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 [2022-04-08 12:21:32,804 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,804 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,805 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,805 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 [2022-04-08 12:21:32,805 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 [2022-04-08 12:21:32,806 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 [2022-04-08 12:21:32,806 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 [2022-04-08 12:21:32,806 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 [2022-04-08 12:21:32,806 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 12:21:32,807 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 12:21:32,807 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 12:21:32,807 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 [2022-04-08 12:21:32,807 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 [2022-04-08 12:21:32,808 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:32,808 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 [2022-04-08 12:21:32,808 INFO L290 TraceCheckUtils]: 49: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:21:32,809 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 [2022-04-08 12:21:32,809 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 [2022-04-08 12:21:32,809 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:32,810 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 [2022-04-08 12:21:32,810 INFO L290 TraceCheckUtils]: 54: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:21:32,810 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 [2022-04-08 12:21:32,811 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 [2022-04-08 12:21:32,812 INFO L290 TraceCheckUtils]: 57: Hoare triple {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2531#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:21:32,812 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-08 12:21:32,812 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-08 12:21:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-08 12:21:32,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:22:21,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:22:21,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864545119] [2022-04-08 12:22:21,958 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:22:21,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949941442] [2022-04-08 12:22:21,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949941442] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 12:22:21,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 12:22:21,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-08 12:22:21,958 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:22:21,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1334239105] [2022-04-08 12:22:21,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1334239105] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:22:21,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:22:21,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 12:22:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500272998] [2022-04-08 12:22:21,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:22:21,959 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 [2022-04-08 12:22:21,960 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:22:21,960 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) [2022-04-08 12:22:21,993 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:21,993 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 12:22:21,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:21,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 12:22:21,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-08 12:22:21,994 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) [2022-04-08 12:22:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:22,350 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-08 12:22:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-08 12:22:22,350 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 [2022-04-08 12:22:22,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:22:22,350 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) [2022-04-08 12:22:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-08 12:22:22,351 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) [2022-04-08 12:22:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-08 12:22:22,353 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-08 12:22:22,404 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:22,405 INFO L225 Difference]: With dead ends: 66 [2022-04-08 12:22:22,405 INFO L226 Difference]: Without dead ends: 64 [2022-04-08 12:22:22,405 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:22:22,406 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:22:22,406 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 164 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 12:22:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-08 12:22:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-08 12:22:22,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:22:22,445 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) [2022-04-08 12:22:22,445 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) [2022-04-08 12:22:22,445 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) [2022-04-08 12:22:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:22,447 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-08 12:22:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-08 12:22:22,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:22,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:22,448 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. [2022-04-08 12:22:22,448 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. [2022-04-08 12:22:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:22,450 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-08 12:22:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-08 12:22:22,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:22,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:22,451 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:22:22,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:22:22,451 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) [2022-04-08 12:22:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-08 12:22:22,453 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-08 12:22:22,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:22:22,453 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-08 12:22:22,453 INFO L479 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) [2022-04-08 12:22:22,453 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-08 12:22:22,529 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-08 12:22:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-08 12:22:22,530 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:22:22,530 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:22:22,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 12:22:22,735 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:22,735 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:22:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:22:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-08 12:22:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:22,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1569592114] [2022-04-08 12:22:22,737 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:22:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-08 12:22:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:22:22,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586741758] [2022-04-08 12:22:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:22:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:22:22,760 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:22:22,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531166978] [2022-04-08 12:22:22,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:22:22,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:22,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:22:22,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:22:22,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 12:22:22,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:22:22,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:22:22,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 12:22:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:22:22,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:22:23,015 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-08 12:22:23,016 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 [2022-04-08 12:22:23,017 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,017 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-08 12:22:23,017 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-08 12:22:23,020 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 [2022-04-08 12:22:23,020 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-08 12:22:23,022 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,023 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,023 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,023 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-08 12:22:23,023 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 [2022-04-08 12:22:23,024 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-08 12:22:23,024 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,024 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,026 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,026 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-08 12:22:23,026 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 [2022-04-08 12:22:23,026 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,026 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,026 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-08 12:22:23,027 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 [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-08 12:22:23,027 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 [2022-04-08 12:22:23,027 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 [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,027 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-08 12:22:23,028 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 [2022-04-08 12:22:23,028 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,028 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,028 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,028 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-08 12:22:23,028 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-08 12:22:23,028 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 [2022-04-08 12:22:23,029 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 [2022-04-08 12:22:23,029 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 [2022-04-08 12:22:23,029 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,029 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,029 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,030 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 [2022-04-08 12:22:23,030 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 [2022-04-08 12:22:23,030 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,030 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,030 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,030 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 [2022-04-08 12:22:23,031 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 [2022-04-08 12:22:23,031 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,031 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,031 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,031 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 [2022-04-08 12:22:23,032 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 [2022-04-08 12:22:23,032 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,032 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,032 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,033 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 [2022-04-08 12:22:23,033 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 [2022-04-08 12:22:23,034 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 [2022-04-08 12:22:23,035 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 [2022-04-08 12:22:23,035 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:23,036 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-08 12:22:23,036 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-08 12:22:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-04-08 12:22:23,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:22:23,266 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-08 12:22:23,266 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-08 12:22:23,267 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:23,268 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 [2022-04-08 12:22:23,268 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 [2022-04-08 12:22:23,269 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 [2022-04-08 12:22:23,270 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 [2022-04-08 12:22:23,271 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,271 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,271 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,271 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 [2022-04-08 12:22:23,271 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 [2022-04-08 12:22:23,272 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,272 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,293 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,293 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 [2022-04-08 12:22:23,294 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 [2022-04-08 12:22:23,295 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,295 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,295 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,298 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 [2022-04-08 12:22:23,299 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 [2022-04-08 12:22:23,299 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,299 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,299 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,299 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 [2022-04-08 12:22:23,299 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 [2022-04-08 12:22:23,300 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 [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,300 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 [2022-04-08 12:22:23,300 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,300 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 [2022-04-08 12:22:23,300 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 [2022-04-08 12:22:23,300 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-08 12:22:23,300 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,301 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 [2022-04-08 12:22:23,301 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,301 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 [2022-04-08 12:22:23,301 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-08 12:22:23,301 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 [2022-04-08 12:22:23,301 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-08 12:22:23,301 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {2944#true} is VALID [2022-04-08 12:22:23,302 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 [2022-04-08 12:22:23,302 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 12:22:23,302 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 [2022-04-08 12:22:23,302 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-08 12:22:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-08 12:22:23,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:22:23,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586741758] [2022-04-08 12:22:23,302 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:22:23,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531166978] [2022-04-08 12:22:23,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531166978] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 12:22:23,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 12:22:23,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-08 12:22:23,303 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:22:23,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1569592114] [2022-04-08 12:22:23,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1569592114] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:22:23,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:22:23,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:22:23,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464374168] [2022-04-08 12:22:23,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:22:23,304 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 [2022-04-08 12:22:23,304 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:22:23,304 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) [2022-04-08 12:22:23,333 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:23,333 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 12:22:23,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:23,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 12:22:23,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-08 12:22:23,333 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) [2022-04-08 12:22:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:23,511 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-08 12:22:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 12:22:23,511 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 [2022-04-08 12:22:23,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:22:23,511 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) [2022-04-08 12:22:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-08 12:22:23,512 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) [2022-04-08 12:22:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-08 12:22:23,513 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-08 12:22:23,549 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:23,550 INFO L225 Difference]: With dead ends: 69 [2022-04-08 12:22:23,550 INFO L226 Difference]: Without dead ends: 67 [2022-04-08 12:22:23,550 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:22:23,551 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:22:23,551 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 137 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 12:22:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-08 12:22:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-08 12:22:23,585 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:22:23,585 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) [2022-04-08 12:22:23,585 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) [2022-04-08 12:22:23,585 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) [2022-04-08 12:22:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:23,587 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-08 12:22:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-08 12:22:23,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:23,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:23,588 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. [2022-04-08 12:22:23,588 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. [2022-04-08 12:22:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:23,591 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-08 12:22:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-08 12:22:23,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:23,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:23,591 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:22:23,591 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:22:23,591 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) [2022-04-08 12:22:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-08 12:22:23,593 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-08 12:22:23,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:22:23,593 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-08 12:22:23,593 INFO L479 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) [2022-04-08 12:22:23,593 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-08 12:22:23,679 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-08 12:22:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-08 12:22:23,679 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:22:23,679 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:22:23,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-08 12:22:23,880 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:23,880 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:22:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:22:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-08 12:22:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [888307027] [2022-04-08 12:22:23,881 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:22:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-08 12:22:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:22:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779521182] [2022-04-08 12:22:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:22:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:22:23,902 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:22:23,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704545214] [2022-04-08 12:22:23,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:22:23,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:23,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:22:23,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:22:23,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 12:22:23,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:22:23,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:22:23,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 12:22:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:22:23,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:22:24,180 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-08 12:22:24,181 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 [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-08 12:22:24,181 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 [2022-04-08 12:22:24,181 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-08 12:22:24,181 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 [2022-04-08 12:22:24,181 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,181 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,182 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,182 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-08 12:22:24,182 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 [2022-04-08 12:22:24,182 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 [2022-04-08 12:22:24,182 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 [2022-04-08 12:22:24,183 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 [2022-04-08 12:22:24,183 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 [2022-04-08 12:22:24,183 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 [2022-04-08 12:22:24,183 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,183 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,183 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,184 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-08 12:22:24,184 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 [2022-04-08 12:22:24,184 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 [2022-04-08 12:22:24,184 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,184 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,184 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,185 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,185 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 [2022-04-08 12:22:24,185 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,185 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,185 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,185 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,186 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,186 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 [2022-04-08 12:22:24,186 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,187 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 [2022-04-08 12:22:24,187 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,187 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,187 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,187 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,187 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 [2022-04-08 12:22:24,187 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,188 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,188 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,188 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,188 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 [2022-04-08 12:22:24,188 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,188 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,189 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,189 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,189 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 [2022-04-08 12:22:24,189 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,189 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,189 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,190 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,191 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,191 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 [2022-04-08 12:22:24,191 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-08 12:22:24,192 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-08 12:22:24,192 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 [2022-04-08 12:22:24,192 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-08 12:22:24,192 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-08 12:22:24,192 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-08 12:22:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-08 12:22:24,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:22:24,485 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-08 12:22:24,486 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-08 12:22:24,486 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-08 12:22:24,486 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 [2022-04-08 12:22:24,486 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-08 12:22:24,486 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-08 12:22:24,487 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 [2022-04-08 12:22:24,487 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,488 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,488 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,488 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,488 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,488 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 [2022-04-08 12:22:24,489 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,489 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,489 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,489 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,489 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 [2022-04-08 12:22:24,489 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,489 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,490 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,490 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,490 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 [2022-04-08 12:22:24,491 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,491 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,491 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,491 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,491 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 [2022-04-08 12:22:24,491 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 12:22:24,492 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 [2022-04-08 12:22:24,492 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,492 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,492 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,492 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,493 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,493 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 [2022-04-08 12:22:24,496 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 12:22:24,496 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,496 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,496 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,496 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 [2022-04-08 12:22:24,496 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 [2022-04-08 12:22:24,497 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-08 12:22:24,497 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,503 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,503 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,503 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 [2022-04-08 12:22:24,504 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 [2022-04-08 12:22:24,504 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 [2022-04-08 12:22:24,504 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 [2022-04-08 12:22:24,505 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 [2022-04-08 12:22:24,505 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 [2022-04-08 12:22:24,505 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-08 12:22:24,505 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,505 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,505 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,505 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-08 12:22:24,505 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 [2022-04-08 12:22:24,505 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-08 12:22:24,505 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {3744#true} is VALID [2022-04-08 12:22:24,506 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 [2022-04-08 12:22:24,506 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 12:22:24,506 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 [2022-04-08 12:22:24,506 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-08 12:22:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-08 12:22:24,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:22:24,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779521182] [2022-04-08 12:22:24,506 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:22:24,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704545214] [2022-04-08 12:22:24,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704545214] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:22:24,507 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:22:24,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-08 12:22:24,507 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:22:24,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [888307027] [2022-04-08 12:22:24,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [888307027] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:22:24,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:22:24,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 12:22:24,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285443100] [2022-04-08 12:22:24,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:22:24,508 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 [2022-04-08 12:22:24,508 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:22:24,508 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) [2022-04-08 12:22:24,541 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:24,541 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 12:22:24,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:24,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 12:22:24,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-08 12:22:24,541 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) [2022-04-08 12:22:25,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:25,267 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-08 12:22:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 12:22:25,267 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 [2022-04-08 12:22:25,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:22:25,268 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) [2022-04-08 12:22:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-08 12:22:25,270 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) [2022-04-08 12:22:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-08 12:22:25,273 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-08 12:22:25,363 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:25,366 INFO L225 Difference]: With dead ends: 106 [2022-04-08 12:22:25,366 INFO L226 Difference]: Without dead ends: 98 [2022-04-08 12:22:25,367 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:22:25,367 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:22:25,367 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 259 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 12:22:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-08 12:22:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-08 12:22:25,481 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:22:25,481 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) [2022-04-08 12:22:25,482 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) [2022-04-08 12:22:25,482 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) [2022-04-08 12:22:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:25,487 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-08 12:22:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-08 12:22:25,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:25,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:25,488 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. [2022-04-08 12:22:25,489 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. [2022-04-08 12:22:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:25,492 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-08 12:22:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-08 12:22:25,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:25,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:25,492 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:22:25,492 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:22:25,492 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) [2022-04-08 12:22:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-08 12:22:25,495 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-08 12:22:25,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:22:25,495 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-08 12:22:25,495 INFO L479 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) [2022-04-08 12:22:25,495 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-08 12:22:25,668 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-08 12:22:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-08 12:22:25,669 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:22:25,669 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:22:25,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 12:22:25,870 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:25,870 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:22:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:22:25,870 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-08 12:22:25,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:25,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2106495364] [2022-04-08 12:22:25,871 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:22:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-08 12:22:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:22:25,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485220787] [2022-04-08 12:22:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:22:25,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:22:25,885 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:22:25,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590027468] [2022-04-08 12:22:25,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:22:25,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:25,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:22:25,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:22:25,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-08 12:22:25,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:22:25,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:22:25,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-08 12:22:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:22:25,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:22:26,200 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-08 12:22:26,200 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 [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-08 12:22:26,201 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 [2022-04-08 12:22:26,201 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-08 12:22:26,201 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 [2022-04-08 12:22:26,201 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,201 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-08 12:22:26,202 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 [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-08 12:22:26,202 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 [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,202 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-08 12:22:26,203 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 [2022-04-08 12:22:26,203 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 [2022-04-08 12:22:26,203 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,203 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,203 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,204 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 [2022-04-08 12:22:26,204 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 [2022-04-08 12:22:26,204 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,204 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,204 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,205 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 [2022-04-08 12:22:26,205 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 [2022-04-08 12:22:26,206 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 [2022-04-08 12:22:26,206 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-08 12:22:26,206 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 [2022-04-08 12:22:26,206 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,206 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,206 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,207 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #91#return; {4885#(= main_~q~0 0)} is VALID [2022-04-08 12:22:26,207 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 [2022-04-08 12:22:26,207 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,207 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,207 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,208 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #93#return; {4885#(= main_~q~0 0)} is VALID [2022-04-08 12:22:26,208 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 [2022-04-08 12:22:26,208 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:26,208 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 [2022-04-08 12:22:26,209 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:26,209 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 [2022-04-08 12:22:26,209 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 [2022-04-08 12:22:26,209 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,209 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,210 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,210 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 [2022-04-08 12:22:26,210 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 [2022-04-08 12:22:26,211 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 [2022-04-08 12:22:26,211 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 [2022-04-08 12:22:26,212 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 [2022-04-08 12:22:26,212 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 [2022-04-08 12:22:26,212 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 [2022-04-08 12:22:26,212 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:26,212 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:26,212 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:26,213 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 [2022-04-08 12:22:26,214 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 [2022-04-08 12:22:26,214 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:26,214 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-08 12:22:26,214 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-08 12:22:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-08 12:22:26,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:22:37,821 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-08 12:22:37,821 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-08 12:22:37,822 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:37,822 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 [2022-04-08 12:22:37,823 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 [2022-04-08 12:22:37,823 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,823 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,823 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,823 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 [2022-04-08 12:22:37,824 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 [2022-04-08 12:22:37,824 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 [2022-04-08 12:22:37,824 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 [2022-04-08 12:22:37,825 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 [2022-04-08 12:22:37,825 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 [2022-04-08 12:22:37,826 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 [2022-04-08 12:22:37,826 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,826 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,826 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,826 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 [2022-04-08 12:22:37,827 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 [2022-04-08 12:22:37,827 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:37,827 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 [2022-04-08 12:22:37,828 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 [2022-04-08 12:22:37,828 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 [2022-04-08 12:22:37,828 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,828 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 [2022-04-08 12:22:37,828 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,828 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,828 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 [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 39: Hoare triple {4762#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,829 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 [2022-04-08 12:22:37,829 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,829 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 [2022-04-08 12:22:37,829 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 [2022-04-08 12:22:37,829 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,829 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,830 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 [2022-04-08 12:22:37,830 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,830 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 [2022-04-08 12:22:37,830 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-08 12:22:37,830 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 [2022-04-08 12:22:37,830 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 12:22:37,830 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 12:22:37,831 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {4762#true} is VALID [2022-04-08 12:22:37,831 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 [2022-04-08 12:22:37,831 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-08 12:22:37,831 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-08 12:22:37,831 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 12:22:37,831 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 [2022-04-08 12:22:37,831 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-08 12:22:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-08 12:22:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:22:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485220787] [2022-04-08 12:22:37,832 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:22:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590027468] [2022-04-08 12:22:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590027468] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:22:37,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:22:37,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-08 12:22:37,834 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:22:37,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2106495364] [2022-04-08 12:22:37,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2106495364] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:22:37,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:22:37,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-08 12:22:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383780003] [2022-04-08 12:22:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:22:37,835 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 [2022-04-08 12:22:37,836 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:22:37,836 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) [2022-04-08 12:22:37,873 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:37,873 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 12:22:37,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:37,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 12:22:37,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-08 12:22:37,874 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) [2022-04-08 12:22:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:38,643 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-08 12:22:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 12:22:38,644 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 [2022-04-08 12:22:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:22:38,644 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) [2022-04-08 12:22:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-08 12:22:38,645 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) [2022-04-08 12:22:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-08 12:22:38,646 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-08 12:22:38,714 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:38,716 INFO L225 Difference]: With dead ends: 124 [2022-04-08 12:22:38,716 INFO L226 Difference]: Without dead ends: 121 [2022-04-08 12:22:38,716 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:22:38,716 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 12:22:38,717 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 12:22:38,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-08 12:22:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-08 12:22:38,869 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:22:38,869 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) [2022-04-08 12:22:38,869 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) [2022-04-08 12:22:38,870 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) [2022-04-08 12:22:38,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:38,873 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-08 12:22:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-08 12:22:38,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:38,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:38,874 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. [2022-04-08 12:22:38,874 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. [2022-04-08 12:22:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:22:38,880 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-08 12:22:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-08 12:22:38,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:22:38,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:22:38,881 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:22:38,881 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:22:38,882 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) [2022-04-08 12:22:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-08 12:22:38,885 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-08 12:22:38,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:22:38,885 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-08 12:22:38,885 INFO L479 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) [2022-04-08 12:22:38,885 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-08 12:22:39,112 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:22:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-08 12:22:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-08 12:22:39,113 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:22:39,113 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:22:39,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-08 12:22:39,331 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-08 12:22:39,331 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:22:39,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:22:39,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-08 12:22:39,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:22:39,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1978380108] [2022-04-08 12:22:39,332 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:22:39,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-08 12:22:39,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:22:39,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109154860] [2022-04-08 12:22:39,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:22:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:22:39,350 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:22:39,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329164245] [2022-04-08 12:22:39,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 12:22:39,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:22:39,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:22:39,353 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:22:39,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-08 12:22:39,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 12:22:39,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:22:39,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 56 conjunts are in the unsatisfiable core [2022-04-08 12:22:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:22:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:22:40,535 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-08 12:22:40,535 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 [2022-04-08 12:22:40,535 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,535 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-08 12:22:40,535 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-08 12:22:40,535 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 [2022-04-08 12:22:40,535 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,535 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,535 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,535 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,536 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-08 12:22:40,536 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 [2022-04-08 12:22:40,536 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,536 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:22:40,536 INFO L290 TraceCheckUtils]: 14: Hoare triple {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:22:40,537 INFO L290 TraceCheckUtils]: 15: Hoare triple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:22:40,537 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} {5956#true} #81#return; {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,537 INFO L272 TraceCheckUtils]: 17: Hoare triple {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,537 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:22:40,538 INFO L290 TraceCheckUtils]: 19: Hoare triple {6000#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:22:40,538 INFO L290 TraceCheckUtils]: 20: Hoare triple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6004#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:22:40,538 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {6004#(not (= |assume_abort_if_not_#in~cond| 0))} {6011#(and (<= 0 main_~y~0) (<= main_~y~0 5))} #83#return; {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,538 INFO L272 TraceCheckUtils]: 22: Hoare triple {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,538 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,539 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,539 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,539 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} #85#return; {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,539 INFO L290 TraceCheckUtils]: 27: Hoare triple {6027#(and (<= 0 main_~y~0) (<= 1 main_~x~0) (<= main_~y~0 5))} ~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; {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,539 INFO L272 TraceCheckUtils]: 28: Hoare triple {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} #87#return; {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,540 INFO L272 TraceCheckUtils]: 33: Hoare triple {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,540 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,541 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,541 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} #89#return; {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,541 INFO L290 TraceCheckUtils]: 38: Hoare triple {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} assume !false; {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,542 INFO L290 TraceCheckUtils]: 39: Hoare triple {6046#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,542 INFO L290 TraceCheckUtils]: 40: Hoare triple {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,542 INFO L272 TraceCheckUtils]: 41: Hoare triple {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= 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 [2022-04-08 12:22:40,542 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,543 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,543 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,547 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,547 INFO L272 TraceCheckUtils]: 46: Hoare triple {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= 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 [2022-04-08 12:22:40,548 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,548 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,548 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,548 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,549 INFO L272 TraceCheckUtils]: 51: Hoare triple {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= 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 [2022-04-08 12:22:40,549 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:40,549 INFO L290 TraceCheckUtils]: 53: Hoare triple {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:40,549 INFO L290 TraceCheckUtils]: 54: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:40,551 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6083#(and (<= 0 main_~y~0) (= 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_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,551 INFO L272 TraceCheckUtils]: 56: Hoare triple {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= 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 [2022-04-08 12:22:40,551 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,551 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,551 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,552 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,552 INFO L290 TraceCheckUtils]: 61: Hoare triple {6134#(and (<= 0 main_~y~0) (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {6153#(and (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (< main_~c~0 main_~b~0) (<= main_~y~0 5) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:22:40,553 INFO L290 TraceCheckUtils]: 62: Hoare triple {6153#(and (= main_~r~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (< main_~c~0 main_~b~0) (<= main_~y~0 5) (= 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; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,553 INFO L290 TraceCheckUtils]: 63: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !false; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,554 INFO L290 TraceCheckUtils]: 64: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,554 INFO L290 TraceCheckUtils]: 65: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} assume !false; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,554 INFO L272 TraceCheckUtils]: 66: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,554 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:22:40,554 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:22:40,555 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:22:40,555 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} #91#return; {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,555 INFO L272 TraceCheckUtils]: 71: Hoare triple {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:22:40,556 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:40,556 INFO L290 TraceCheckUtils]: 73: Hoare triple {6123#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:40,556 INFO L290 TraceCheckUtils]: 74: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:22:40,558 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6157#(and (= (+ main_~y~0 (* main_~p~0 main_~x~0)) main_~a~0) (= main_~s~0 0) (<= 1 main_~x~0) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (< main_~x~0 main_~a~0) (= main_~q~0 1) (<= main_~y~0 5))} #93#return; {6197#(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) (<= main_~y~0 5))} is VALID [2022-04-08 12:22:40,558 INFO L272 TraceCheckUtils]: 76: Hoare triple {6197#(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) (<= main_~y~0 5))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:22:40,559 INFO L290 TraceCheckUtils]: 77: Hoare triple {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6205#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:22:40,559 INFO L290 TraceCheckUtils]: 78: Hoare triple {6205#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-08 12:22:40,559 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-08 12:22:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 34 proven. 32 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-04-08 12:22:40,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:23:16,469 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-08 12:23:16,470 INFO L290 TraceCheckUtils]: 78: Hoare triple {6205#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-08 12:23:16,470 INFO L290 TraceCheckUtils]: 77: Hoare triple {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6205#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:23:16,471 INFO L272 TraceCheckUtils]: 76: Hoare triple {6221#(= 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)); {6201#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:23:16,472 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} {6225#(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; {6221#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:23:16,472 INFO L290 TraceCheckUtils]: 74: Hoare triple {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:23:16,472 INFO L290 TraceCheckUtils]: 73: Hoare triple {6235#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {6127#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:23:16,472 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {6235#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:23:16,473 INFO L272 TraceCheckUtils]: 71: Hoare triple {6225#(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)); {5956#true} is VALID [2022-04-08 12:23:16,473 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6225#(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)))))} #91#return; {6225#(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 [2022-04-08 12:23:16,473 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,473 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,473 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,474 INFO L272 TraceCheckUtils]: 66: Hoare triple {6225#(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 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:23:16,474 INFO L290 TraceCheckUtils]: 65: Hoare triple {6225#(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; {6225#(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 [2022-04-08 12:23:16,474 INFO L290 TraceCheckUtils]: 64: Hoare triple {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 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; {6225#(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 [2022-04-08 12:23:16,475 INFO L290 TraceCheckUtils]: 63: Hoare triple {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !false; {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:23:16,551 INFO L290 TraceCheckUtils]: 62: Hoare triple {6267#(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)))) (= 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; {6260#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:23:16,551 INFO L290 TraceCheckUtils]: 61: Hoare triple {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !(~c~0 >= ~b~0); {6267#(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)))) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,552 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #97#return; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,552 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,552 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,552 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,552 INFO L272 TraceCheckUtils]: 56: Hoare triple {6271#(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)))) (<= 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 [2022-04-08 12:23:16,553 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #95#return; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,553 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,553 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,553 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,553 INFO L272 TraceCheckUtils]: 51: Hoare triple {6271#(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)))) (<= 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 [2022-04-08 12:23:16,554 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #93#return; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,554 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,554 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,554 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,554 INFO L272 TraceCheckUtils]: 46: Hoare triple {6271#(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)))) (<= 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 [2022-04-08 12:23:16,555 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #91#return; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,555 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,555 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,555 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,555 INFO L272 TraceCheckUtils]: 41: Hoare triple {6271#(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)))) (<= 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 [2022-04-08 12:23:16,555 INFO L290 TraceCheckUtils]: 40: Hoare triple {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !false; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,556 INFO L290 TraceCheckUtils]: 39: Hoare triple {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6271#(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)))) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 12:23:16,556 INFO L290 TraceCheckUtils]: 38: Hoare triple {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} assume !false; {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 12:23:16,557 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} #89#return; {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 12:23:16,557 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,557 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,557 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,557 INFO L272 TraceCheckUtils]: 33: Hoare triple {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} #87#return; {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L272 TraceCheckUtils]: 28: Hoare triple {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:23:16,558 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; {6338#(or (= main_~a~0 0) (= 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)))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 12:23:16,558 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,558 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,559 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 [2022-04-08 12:23:16,559 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,559 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 [2022-04-08 12:23:16,559 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:23:16,559 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 [2022-04-08 12:23:16,559 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 12:23:16,559 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {5956#true} is VALID [2022-04-08 12:23:16,560 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 [2022-04-08 12:23:16,560 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-08 12:23:16,560 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-08 12:23:16,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 12:23:16,560 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 [2022-04-08 12:23:16,560 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-08 12:23:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-08 12:23:16,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:23:16,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109154860] [2022-04-08 12:23:16,560 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:23:16,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329164245] [2022-04-08 12:23:16,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329164245] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:23:16,561 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:23:16,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 23 [2022-04-08 12:23:16,561 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:23:16,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1978380108] [2022-04-08 12:23:16,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1978380108] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:23:16,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:23:16,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-08 12:23:16,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939628646] [2022-04-08 12:23:16,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:23:16,561 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 80 [2022-04-08 12:23:16,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:23:16,562 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-08 12:23:16,605 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:16,605 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-08 12:23:16,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:23:16,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-08 12:23:16,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2022-04-08 12:23:16,606 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-08 12:23:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:18,214 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-08 12:23:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-08 12:23:18,214 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) Word has length 80 [2022-04-08 12:23:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:23:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-08 12:23:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 91 transitions. [2022-04-08 12:23:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-08 12:23:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 91 transitions. [2022-04-08 12:23:18,217 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 91 transitions. [2022-04-08 12:23:18,310 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:18,312 INFO L225 Difference]: With dead ends: 134 [2022-04-08 12:23:18,312 INFO L226 Difference]: Without dead ends: 132 [2022-04-08 12:23:18,313 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 136 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=668, Unknown=0, NotChecked=0, Total=812 [2022-04-08 12:23:18,313 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-08 12:23:18,313 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 157 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-08 12:23:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-08 12:23:18,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-08 12:23:18,555 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:23:18,555 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) [2022-04-08 12:23:18,555 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) [2022-04-08 12:23:18,556 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) [2022-04-08 12:23:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:18,558 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-08 12:23:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-08 12:23:18,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:23:18,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:23:18,559 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. [2022-04-08 12:23:18,559 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. [2022-04-08 12:23:18,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:18,562 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-08 12:23:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-08 12:23:18,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:23:18,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:23:18,563 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:23:18,563 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:23:18,564 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) [2022-04-08 12:23:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-08 12:23:18,567 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 80 [2022-04-08 12:23:18,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:23:18,567 INFO L478 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-08 12:23:18,568 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 11 states have internal predecessors, (28), 8 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2022-04-08 12:23:18,568 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-08 12:23:18,807 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-08 12:23:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-08 12:23:18,808 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:23:18,808 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:23:18,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-08 12:23:19,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-08 12:23:19,012 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:23:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:23:19,012 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-08 12:23:19,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:23:19,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [292065982] [2022-04-08 12:23:19,013 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:23:19,013 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-08 12:23:19,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:23:19,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898693170] [2022-04-08 12:23:19,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:23:19,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:23:19,023 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:23:19,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2085825743] [2022-04-08 12:23:19,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 12:23:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:23:19,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:23:19,024 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:23:19,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-08 12:23:19,074 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 12:23:19,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:23:19,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 32 conjunts are in the unsatisfiable core [2022-04-08 12:23:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:23:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:23:19,592 INFO L272 TraceCheckUtils]: 0: Hoare triple {7262#true} call ULTIMATE.init(); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 1: Hoare triple {7262#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); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 2: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7262#true} {7262#true} #103#return; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L272 TraceCheckUtils]: 4: Hoare triple {7262#true} call #t~ret6 := main(); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 5: Hoare triple {7262#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; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L272 TraceCheckUtils]: 6: Hoare triple {7262#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 7: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 8: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 9: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7262#true} {7262#true} #79#return; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 11: Hoare triple {7262#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L272 TraceCheckUtils]: 12: Hoare triple {7262#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 13: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,593 INFO L290 TraceCheckUtils]: 14: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 15: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7262#true} {7262#true} #81#return; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L272 TraceCheckUtils]: 17: Hoare triple {7262#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 18: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 19: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 20: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7262#true} {7262#true} #83#return; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L272 TraceCheckUtils]: 22: Hoare triple {7262#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 23: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 24: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L290 TraceCheckUtils]: 25: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,594 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7262#true} {7262#true} #85#return; {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L290 TraceCheckUtils]: 27: Hoare triple {7262#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; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 12:23:19,595 INFO L272 TraceCheckUtils]: 28: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= 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)); {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L290 TraceCheckUtils]: 29: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L290 TraceCheckUtils]: 30: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L290 TraceCheckUtils]: 31: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7262#true} {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #87#return; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 12:23:19,595 INFO L272 TraceCheckUtils]: 33: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= 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)); {7262#true} is VALID [2022-04-08 12:23:19,595 INFO L290 TraceCheckUtils]: 34: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,596 INFO L290 TraceCheckUtils]: 35: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,596 INFO L290 TraceCheckUtils]: 36: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,596 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {7262#true} {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #89#return; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 12:23:19,596 INFO L290 TraceCheckUtils]: 38: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 12:23:19,597 INFO L290 TraceCheckUtils]: 39: Hoare triple {7348#(and (= main_~r~0 0) (= main_~s~0 1) (= 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; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,598 INFO L290 TraceCheckUtils]: 40: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !false; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,598 INFO L272 TraceCheckUtils]: 41: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,598 INFO L290 TraceCheckUtils]: 42: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,598 INFO L290 TraceCheckUtils]: 43: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,598 INFO L290 TraceCheckUtils]: 44: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,599 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #91#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,599 INFO L272 TraceCheckUtils]: 46: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7262#true} is VALID [2022-04-08 12:23:19,599 INFO L290 TraceCheckUtils]: 47: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,599 INFO L290 TraceCheckUtils]: 48: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,599 INFO L290 TraceCheckUtils]: 49: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,600 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #93#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,600 INFO L272 TraceCheckUtils]: 51: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 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)); {7262#true} is VALID [2022-04-08 12:23:19,600 INFO L290 TraceCheckUtils]: 52: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,600 INFO L290 TraceCheckUtils]: 53: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,600 INFO L290 TraceCheckUtils]: 54: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,601 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #95#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,601 INFO L272 TraceCheckUtils]: 56: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 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)); {7262#true} is VALID [2022-04-08 12:23:19,601 INFO L290 TraceCheckUtils]: 57: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,601 INFO L290 TraceCheckUtils]: 58: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,601 INFO L290 TraceCheckUtils]: 59: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,601 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {7262#true} {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #97#return; {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,602 INFO L290 TraceCheckUtils]: 61: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !(~c~0 >= ~b~0); {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 12:23:19,603 INFO L290 TraceCheckUtils]: 62: Hoare triple {7385#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 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; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,603 INFO L290 TraceCheckUtils]: 63: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,603 INFO L290 TraceCheckUtils]: 64: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,604 INFO L290 TraceCheckUtils]: 65: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,604 INFO L272 TraceCheckUtils]: 66: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~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)); {7262#true} is VALID [2022-04-08 12:23:19,604 INFO L290 TraceCheckUtils]: 67: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,604 INFO L290 TraceCheckUtils]: 68: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,604 INFO L290 TraceCheckUtils]: 69: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,605 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {7262#true} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,605 INFO L272 TraceCheckUtils]: 71: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~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)); {7262#true} is VALID [2022-04-08 12:23:19,605 INFO L290 TraceCheckUtils]: 72: Hoare triple {7262#true} ~cond := #in~cond; {7262#true} is VALID [2022-04-08 12:23:19,605 INFO L290 TraceCheckUtils]: 73: Hoare triple {7262#true} assume !(0 == ~cond); {7262#true} is VALID [2022-04-08 12:23:19,605 INFO L290 TraceCheckUtils]: 74: Hoare triple {7262#true} assume true; {7262#true} is VALID [2022-04-08 12:23:19,605 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {7262#true} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,605 INFO L272 TraceCheckUtils]: 76: Hoare triple {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~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)); {7262#true} is VALID [2022-04-08 12:23:19,606 INFO L290 TraceCheckUtils]: 77: Hoare triple {7262#true} ~cond := #in~cond; {7501#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:23:19,606 INFO L290 TraceCheckUtils]: 78: Hoare triple {7501#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:23:19,606 INFO L290 TraceCheckUtils]: 79: Hoare triple {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:23:19,607 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {7505#(not (= |__VERIFIER_assert_#in~cond| 0))} {7455#(and (= main_~s~0 0) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {7512#(and (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 main_~x~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:23:19,609 INFO L272 TraceCheckUtils]: 81: Hoare triple {7512#(and (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 main_~x~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)); {7516#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:23:19,609 INFO L290 TraceCheckUtils]: 82: Hoare triple {7516#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7520#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:23:19,610 INFO L290 TraceCheckUtils]: 83: Hoare triple {7520#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7263#false} is VALID [2022-04-08 12:23:19,610 INFO L290 TraceCheckUtils]: 84: Hoare triple {7263#false} assume !false; {7263#false} is VALID [2022-04-08 12:23:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-04-08 12:23:19,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:23:55,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:23:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898693170] [2022-04-08 12:23:55,730 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:23:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085825743] [2022-04-08 12:23:55,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085825743] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 12:23:55,730 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 12:23:55,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-08 12:23:55,730 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:23:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [292065982] [2022-04-08 12:23:55,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [292065982] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:23:55,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:23:55,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-08 12:23:55,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785462508] [2022-04-08 12:23:55,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:23:55,731 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) Word has length 85 [2022-04-08 12:23:55,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:23:55,731 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) [2022-04-08 12:23:55,776 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:55,777 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 12:23:55,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:23:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 12:23:55,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-04-08 12:23:55,777 INFO L87 Difference]: Start difference. First operand 130 states and 175 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) [2022-04-08 12:23:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:57,027 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2022-04-08 12:23:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 12:23:57,028 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) Word has length 85 [2022-04-08 12:23:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:23:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) [2022-04-08 12:23:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-08 12:23:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) [2022-04-08 12:23:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2022-04-08 12:23:57,030 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 98 transitions. [2022-04-08 12:23:57,124 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:57,126 INFO L225 Difference]: With dead ends: 142 [2022-04-08 12:23:57,126 INFO L226 Difference]: Without dead ends: 140 [2022-04-08 12:23:57,126 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-04-08 12:23:57,126 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 22 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 12:23:57,126 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 222 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 12:23:57,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-04-08 12:23:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2022-04-08 12:23:57,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:23:57,363 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 12:23:57,363 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 12:23:57,364 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 12:23:57,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:57,366 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2022-04-08 12:23:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2022-04-08 12:23:57,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:23:57,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:23:57,367 INFO L74 IsIncluded]: Start isIncluded. First operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 140 states. [2022-04-08 12:23:57,367 INFO L87 Difference]: Start difference. First operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 140 states. [2022-04-08 12:23:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:23:57,370 INFO L93 Difference]: Finished difference Result 140 states and 183 transitions. [2022-04-08 12:23:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2022-04-08 12:23:57,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:23:57,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:23:57,370 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:23:57,371 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:23:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 79 states have internal predecessors, (90), 47 states have call successors, (47), 14 states have call predecessors, (47), 13 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 12:23:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 181 transitions. [2022-04-08 12:23:57,373 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 181 transitions. Word has length 85 [2022-04-08 12:23:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:23:57,374 INFO L478 AbstractCegarLoop]: Abstraction has 138 states and 181 transitions. [2022-04-08 12:23:57,374 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 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), 4 states have call successors, (14) [2022-04-08 12:23:57,374 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 138 states and 181 transitions. [2022-04-08 12:23:57,626 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:23:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 181 transitions. [2022-04-08 12:23:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-08 12:23:57,627 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:23:57,627 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:23:57,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-08 12:23:57,839 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-08 12:23:57,839 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:23:57,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:23:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-08 12:23:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:23:57,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [868627788] [2022-04-08 12:23:57,840 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:23:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-08 12:23:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:23:57,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354476836] [2022-04-08 12:23:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:23:57,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:23:57,856 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:23:57,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849829314] [2022-04-08 12:23:57,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:23:57,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:23:57,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:23:57,857 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) [2022-04-08 12:23:57,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-08 12:23:57,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:23:57,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:23:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-08 12:23:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:23:57,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:23:58,502 INFO L272 TraceCheckUtils]: 0: Hoare triple {8389#true} call ULTIMATE.init(); {8389#true} is VALID [2022-04-08 12:23:58,502 INFO L290 TraceCheckUtils]: 1: Hoare triple {8389#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); {8389#true} is VALID [2022-04-08 12:23:58,502 INFO L290 TraceCheckUtils]: 2: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,502 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8389#true} {8389#true} #103#return; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L272 TraceCheckUtils]: 4: Hoare triple {8389#true} call #t~ret6 := main(); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 5: Hoare triple {8389#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; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L272 TraceCheckUtils]: 6: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 7: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 8: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 9: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8389#true} {8389#true} #79#return; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 11: Hoare triple {8389#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L272 TraceCheckUtils]: 12: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 13: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 14: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 15: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8389#true} {8389#true} #81#return; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L272 TraceCheckUtils]: 17: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 18: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 19: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,503 INFO L290 TraceCheckUtils]: 20: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8389#true} {8389#true} #83#return; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L272 TraceCheckUtils]: 22: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 23: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 24: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 25: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8389#true} {8389#true} #85#return; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 27: Hoare triple {8389#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; {8475#(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 [2022-04-08 12:23:58,504 INFO L272 TraceCheckUtils]: 28: Hoare triple {8475#(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)); {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 29: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,504 INFO L290 TraceCheckUtils]: 30: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,505 INFO L290 TraceCheckUtils]: 31: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,505 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8389#true} {8475#(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; {8475#(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 [2022-04-08 12:23:58,505 INFO L272 TraceCheckUtils]: 33: Hoare triple {8475#(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)); {8389#true} is VALID [2022-04-08 12:23:58,505 INFO L290 TraceCheckUtils]: 34: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,505 INFO L290 TraceCheckUtils]: 35: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,505 INFO L290 TraceCheckUtils]: 36: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,506 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8389#true} {8475#(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; {8475#(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 [2022-04-08 12:23:58,506 INFO L290 TraceCheckUtils]: 38: Hoare triple {8475#(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; {8475#(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 [2022-04-08 12:23:58,507 INFO L290 TraceCheckUtils]: 39: Hoare triple {8475#(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; {8512#(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 [2022-04-08 12:23:58,507 INFO L290 TraceCheckUtils]: 40: Hoare triple {8512#(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; {8512#(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 [2022-04-08 12:23:58,507 INFO L272 TraceCheckUtils]: 41: Hoare triple {8512#(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)); {8389#true} is VALID [2022-04-08 12:23:58,507 INFO L290 TraceCheckUtils]: 42: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,507 INFO L290 TraceCheckUtils]: 43: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,507 INFO L290 TraceCheckUtils]: 44: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,508 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8389#true} {8512#(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; {8512#(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 [2022-04-08 12:23:58,508 INFO L272 TraceCheckUtils]: 46: Hoare triple {8512#(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)); {8389#true} is VALID [2022-04-08 12:23:58,508 INFO L290 TraceCheckUtils]: 47: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,508 INFO L290 TraceCheckUtils]: 48: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,508 INFO L290 TraceCheckUtils]: 49: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,509 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8389#true} {8512#(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; {8512#(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 [2022-04-08 12:23:58,509 INFO L272 TraceCheckUtils]: 51: Hoare triple {8512#(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)); {8389#true} is VALID [2022-04-08 12:23:58,509 INFO L290 TraceCheckUtils]: 52: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,509 INFO L290 TraceCheckUtils]: 53: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,509 INFO L290 TraceCheckUtils]: 54: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,510 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8389#true} {8512#(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; {8512#(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 [2022-04-08 12:23:58,510 INFO L272 TraceCheckUtils]: 56: Hoare triple {8512#(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)); {8389#true} is VALID [2022-04-08 12:23:58,510 INFO L290 TraceCheckUtils]: 57: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,510 INFO L290 TraceCheckUtils]: 58: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,510 INFO L290 TraceCheckUtils]: 59: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,510 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8389#true} {8512#(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; {8512#(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 [2022-04-08 12:23:58,511 INFO L290 TraceCheckUtils]: 61: Hoare triple {8512#(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; {8579#(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 [2022-04-08 12:23:58,511 INFO L290 TraceCheckUtils]: 62: Hoare triple {8579#(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; {8579#(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 [2022-04-08 12:23:58,511 INFO L272 TraceCheckUtils]: 63: Hoare triple {8579#(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)); {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 64: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 65: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 66: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8389#true} {8579#(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; {8579#(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 [2022-04-08 12:23:58,512 INFO L272 TraceCheckUtils]: 68: Hoare triple {8579#(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)); {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 69: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 70: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,512 INFO L290 TraceCheckUtils]: 71: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,513 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8389#true} {8579#(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; {8579#(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 [2022-04-08 12:23:58,513 INFO L272 TraceCheckUtils]: 73: Hoare triple {8579#(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)); {8389#true} is VALID [2022-04-08 12:23:58,513 INFO L290 TraceCheckUtils]: 74: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,513 INFO L290 TraceCheckUtils]: 75: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,513 INFO L290 TraceCheckUtils]: 76: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,514 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8389#true} {8579#(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; {8579#(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 [2022-04-08 12:23:58,514 INFO L272 TraceCheckUtils]: 78: Hoare triple {8579#(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)); {8389#true} is VALID [2022-04-08 12:23:58,514 INFO L290 TraceCheckUtils]: 79: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:23:58,514 INFO L290 TraceCheckUtils]: 80: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:23:58,514 INFO L290 TraceCheckUtils]: 81: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:23:58,515 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8389#true} {8579#(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; {8579#(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 [2022-04-08 12:23:58,515 INFO L290 TraceCheckUtils]: 83: Hoare triple {8579#(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); {8579#(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 [2022-04-08 12:23:58,516 INFO L290 TraceCheckUtils]: 84: Hoare triple {8579#(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; {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 12:23:58,516 INFO L290 TraceCheckUtils]: 85: Hoare triple {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !false; {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 12:23:58,517 INFO L290 TraceCheckUtils]: 86: Hoare triple {8649#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !(0 != ~b~0); {8656#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 12:23:58,517 INFO L272 TraceCheckUtils]: 87: Hoare triple {8656#(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)); {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:23:58,517 INFO L290 TraceCheckUtils]: 88: Hoare triple {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8664#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:23:58,518 INFO L290 TraceCheckUtils]: 89: Hoare triple {8664#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8390#false} is VALID [2022-04-08 12:23:58,518 INFO L290 TraceCheckUtils]: 90: Hoare triple {8390#false} assume !false; {8390#false} is VALID [2022-04-08 12:23:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-08 12:23:58,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:23:58,953 INFO L290 TraceCheckUtils]: 90: Hoare triple {8390#false} assume !false; {8390#false} is VALID [2022-04-08 12:23:58,953 INFO L290 TraceCheckUtils]: 89: Hoare triple {8664#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8390#false} is VALID [2022-04-08 12:23:58,953 INFO L290 TraceCheckUtils]: 88: Hoare triple {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8664#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:23:58,954 INFO L272 TraceCheckUtils]: 87: Hoare triple {8680#(= (+ (* 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)); {8660#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:23:58,954 INFO L290 TraceCheckUtils]: 86: Hoare triple {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {8680#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-08 12:23:58,955 INFO L290 TraceCheckUtils]: 85: Hoare triple {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 12:24:00,956 WARN L290 TraceCheckUtils]: 84: Hoare triple {8691#(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; {8684#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is UNKNOWN [2022-04-08 12:24:00,957 INFO L290 TraceCheckUtils]: 83: Hoare triple {8691#(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); {8691#(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 [2022-04-08 12:24:00,957 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8389#true} {8691#(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; {8691#(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 [2022-04-08 12:24:00,957 INFO L290 TraceCheckUtils]: 81: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L290 TraceCheckUtils]: 80: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L290 TraceCheckUtils]: 79: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L272 TraceCheckUtils]: 78: Hoare triple {8691#(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)); {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8389#true} {8691#(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; {8691#(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 [2022-04-08 12:24:00,958 INFO L290 TraceCheckUtils]: 76: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L290 TraceCheckUtils]: 75: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:00,958 INFO L290 TraceCheckUtils]: 74: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:00,959 INFO L272 TraceCheckUtils]: 73: Hoare triple {8691#(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)); {8389#true} is VALID [2022-04-08 12:24:00,959 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8389#true} {8691#(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; {8691#(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 [2022-04-08 12:24:00,959 INFO L290 TraceCheckUtils]: 71: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:00,959 INFO L290 TraceCheckUtils]: 70: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:00,959 INFO L290 TraceCheckUtils]: 69: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:00,959 INFO L272 TraceCheckUtils]: 68: Hoare triple {8691#(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)); {8389#true} is VALID [2022-04-08 12:24:00,960 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8389#true} {8691#(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; {8691#(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 [2022-04-08 12:24:00,960 INFO L290 TraceCheckUtils]: 66: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:00,960 INFO L290 TraceCheckUtils]: 65: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:00,960 INFO L290 TraceCheckUtils]: 64: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:00,960 INFO L272 TraceCheckUtils]: 63: Hoare triple {8691#(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)); {8389#true} is VALID [2022-04-08 12:24:00,961 INFO L290 TraceCheckUtils]: 62: Hoare triple {8691#(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; {8691#(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 [2022-04-08 12:24:01,033 INFO L290 TraceCheckUtils]: 61: Hoare triple {8761#(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; {8691#(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 [2022-04-08 12:24:01,034 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8389#true} {8761#(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; {8761#(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 [2022-04-08 12:24:01,034 INFO L290 TraceCheckUtils]: 59: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,034 INFO L290 TraceCheckUtils]: 58: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,034 INFO L290 TraceCheckUtils]: 57: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,034 INFO L272 TraceCheckUtils]: 56: Hoare triple {8761#(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)); {8389#true} is VALID [2022-04-08 12:24:01,035 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8389#true} {8761#(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; {8761#(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 [2022-04-08 12:24:01,035 INFO L290 TraceCheckUtils]: 54: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,035 INFO L290 TraceCheckUtils]: 53: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,035 INFO L290 TraceCheckUtils]: 52: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,035 INFO L272 TraceCheckUtils]: 51: Hoare triple {8761#(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)); {8389#true} is VALID [2022-04-08 12:24:01,036 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8389#true} {8761#(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; {8761#(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 [2022-04-08 12:24:01,036 INFO L290 TraceCheckUtils]: 49: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,036 INFO L290 TraceCheckUtils]: 48: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,036 INFO L290 TraceCheckUtils]: 47: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,036 INFO L272 TraceCheckUtils]: 46: Hoare triple {8761#(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)); {8389#true} is VALID [2022-04-08 12:24:01,036 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8389#true} {8761#(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; {8761#(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 [2022-04-08 12:24:01,037 INFO L290 TraceCheckUtils]: 44: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,037 INFO L290 TraceCheckUtils]: 43: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,037 INFO L290 TraceCheckUtils]: 42: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,037 INFO L272 TraceCheckUtils]: 41: Hoare triple {8761#(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)); {8389#true} is VALID [2022-04-08 12:24:01,037 INFO L290 TraceCheckUtils]: 40: Hoare triple {8761#(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; {8761#(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 [2022-04-08 12:24:01,038 INFO L290 TraceCheckUtils]: 39: Hoare triple {8828#(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; {8761#(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 [2022-04-08 12:24:01,038 INFO L290 TraceCheckUtils]: 38: Hoare triple {8828#(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; {8828#(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 [2022-04-08 12:24:01,039 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8389#true} {8828#(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; {8828#(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 [2022-04-08 12:24:01,039 INFO L290 TraceCheckUtils]: 36: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,039 INFO L290 TraceCheckUtils]: 35: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,039 INFO L272 TraceCheckUtils]: 33: Hoare triple {8828#(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)); {8389#true} is VALID [2022-04-08 12:24:01,039 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8389#true} {8828#(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; {8828#(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 [2022-04-08 12:24:01,039 INFO L290 TraceCheckUtils]: 31: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 30: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 29: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L272 TraceCheckUtils]: 28: Hoare triple {8828#(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)); {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 27: Hoare triple {8389#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; {8828#(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 [2022-04-08 12:24:01,040 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8389#true} {8389#true} #85#return; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 25: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 23: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L272 TraceCheckUtils]: 22: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8389#true} {8389#true} #83#return; {8389#true} is VALID [2022-04-08 12:24:01,040 INFO L290 TraceCheckUtils]: 20: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 19: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 18: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L272 TraceCheckUtils]: 17: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8389#true} {8389#true} #81#return; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 15: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 14: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 13: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L272 TraceCheckUtils]: 12: Hoare triple {8389#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 11: Hoare triple {8389#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8389#true} {8389#true} #79#return; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 9: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 8: Hoare triple {8389#true} assume !(0 == ~cond); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 7: Hoare triple {8389#true} ~cond := #in~cond; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L272 TraceCheckUtils]: 6: Hoare triple {8389#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L290 TraceCheckUtils]: 5: Hoare triple {8389#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; {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L272 TraceCheckUtils]: 4: Hoare triple {8389#true} call #t~ret6 := main(); {8389#true} is VALID [2022-04-08 12:24:01,041 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8389#true} {8389#true} #103#return; {8389#true} is VALID [2022-04-08 12:24:01,042 INFO L290 TraceCheckUtils]: 2: Hoare triple {8389#true} assume true; {8389#true} is VALID [2022-04-08 12:24:01,042 INFO L290 TraceCheckUtils]: 1: Hoare triple {8389#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); {8389#true} is VALID [2022-04-08 12:24:01,042 INFO L272 TraceCheckUtils]: 0: Hoare triple {8389#true} call ULTIMATE.init(); {8389#true} is VALID [2022-04-08 12:24:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-08 12:24:01,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:24:01,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354476836] [2022-04-08 12:24:01,042 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:24:01,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849829314] [2022-04-08 12:24:01,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849829314] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:24:01,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:24:01,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-08 12:24:01,043 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:24:01,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [868627788] [2022-04-08 12:24:01,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [868627788] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:24:01,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:24:01,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-08 12:24:01,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378363606] [2022-04-08 12:24:01,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:24:01,043 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 [2022-04-08 12:24:01,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:24:01,044 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) [2022-04-08 12:24:01,087 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:01,087 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-08 12:24:01,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:24:01,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-08 12:24:01,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-08 12:24:01,088 INFO L87 Difference]: Start difference. First operand 138 states and 181 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) [2022-04-08 12:24:02,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:02,349 INFO L93 Difference]: Finished difference Result 165 states and 217 transitions. [2022-04-08 12:24:02,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 12:24:02,350 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 [2022-04-08 12:24:02,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:24:02,350 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) [2022-04-08 12:24:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-08 12:24:02,351 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) [2022-04-08 12:24:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-08 12:24:02,353 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-08 12:24:02,551 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:02,553 INFO L225 Difference]: With dead ends: 165 [2022-04-08 12:24:02,553 INFO L226 Difference]: Without dead ends: 162 [2022-04-08 12:24:02,554 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:24:02,554 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:24:02,554 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 275 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 12:24:02,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-04-08 12:24:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2022-04-08 12:24:02,837 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:24:02,838 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:02,838 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:02,838 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:02,841 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2022-04-08 12:24:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2022-04-08 12:24:02,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:24:02,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:24:02,842 INFO L74 IsIncluded]: Start isIncluded. First operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 162 states. [2022-04-08 12:24:02,842 INFO L87 Difference]: Start difference. First operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 162 states. [2022-04-08 12:24:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:02,845 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2022-04-08 12:24:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2022-04-08 12:24:02,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:24:02,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:24:02,846 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:24:02,846 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:24:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2022-04-08 12:24:02,849 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 212 transitions. Word has length 91 [2022-04-08 12:24:02,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:24:02,850 INFO L478 AbstractCegarLoop]: Abstraction has 161 states and 212 transitions. [2022-04-08 12:24:02,850 INFO L479 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) [2022-04-08 12:24:02,850 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 161 states and 212 transitions. [2022-04-08 12:24:03,145 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 212 edges. 212 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 212 transitions. [2022-04-08 12:24:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-08 12:24:03,146 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:24:03,146 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:24:03,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-08 12:24:03,359 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-08 12:24:03,359 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:24:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:24:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-08 12:24:03,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:24:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1509043635] [2022-04-08 12:24:03,360 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:24:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-08 12:24:03,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:24:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530934664] [2022-04-08 12:24:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:24:03,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:24:03,382 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:24:03,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575825379] [2022-04-08 12:24:03,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:24:03,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:24:03,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:24:03,383 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) [2022-04-08 12:24:03,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-08 12:24:03,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:24:03,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:24:03,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 12:24:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:24:03,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:24:03,646 INFO L272 TraceCheckUtils]: 0: Hoare triple {9932#true} call ULTIMATE.init(); {9932#true} is VALID [2022-04-08 12:24:03,646 INFO L290 TraceCheckUtils]: 1: Hoare triple {9932#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); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9932#true} {9932#true} #103#return; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L272 TraceCheckUtils]: 4: Hoare triple {9932#true} call #t~ret6 := main(); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 5: Hoare triple {9932#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; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L272 TraceCheckUtils]: 6: Hoare triple {9932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 8: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 9: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9932#true} {9932#true} #79#return; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 11: Hoare triple {9932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L272 TraceCheckUtils]: 12: Hoare triple {9932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 14: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L290 TraceCheckUtils]: 15: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9932#true} {9932#true} #81#return; {9932#true} is VALID [2022-04-08 12:24:03,647 INFO L272 TraceCheckUtils]: 17: Hoare triple {9932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 18: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 19: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 20: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9932#true} {9932#true} #83#return; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L272 TraceCheckUtils]: 22: Hoare triple {9932#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 23: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 24: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 25: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9932#true} {9932#true} #85#return; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 27: Hoare triple {9932#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; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L272 TraceCheckUtils]: 28: Hoare triple {9932#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 29: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 30: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 31: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9932#true} {9932#true} #87#return; {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L272 TraceCheckUtils]: 33: Hoare triple {9932#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,648 INFO L290 TraceCheckUtils]: 34: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 35: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 36: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9932#true} {9932#true} #89#return; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 38: Hoare triple {9932#true} assume !false; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 39: Hoare triple {9932#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 40: Hoare triple {9932#true} assume !false; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L272 TraceCheckUtils]: 41: Hoare triple {9932#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 42: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 43: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 44: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9932#true} {9932#true} #91#return; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L272 TraceCheckUtils]: 46: Hoare triple {9932#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 47: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 48: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 49: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9932#true} {9932#true} #93#return; {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L272 TraceCheckUtils]: 51: Hoare triple {9932#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,649 INFO L290 TraceCheckUtils]: 52: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 53: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 54: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9932#true} {9932#true} #95#return; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L272 TraceCheckUtils]: 56: Hoare triple {9932#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)); {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 57: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 58: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 59: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9932#true} {9932#true} #97#return; {9932#true} is VALID [2022-04-08 12:24:03,650 INFO L290 TraceCheckUtils]: 61: Hoare triple {9932#true} assume !(~c~0 >= ~b~0); {10120#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:24:03,651 INFO L290 TraceCheckUtils]: 62: Hoare triple {10120#(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; {10124#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:24:03,651 INFO L290 TraceCheckUtils]: 63: Hoare triple {10124#(< main_~b~0 main_~a~0)} assume !false; {10124#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:24:03,651 INFO L290 TraceCheckUtils]: 64: Hoare triple {10124#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,651 INFO L290 TraceCheckUtils]: 65: Hoare triple {10131#(< main_~b~0 main_~c~0)} assume !false; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,652 INFO L272 TraceCheckUtils]: 66: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 67: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 68: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 69: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #91#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,652 INFO L272 TraceCheckUtils]: 71: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 72: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 73: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,652 INFO L290 TraceCheckUtils]: 74: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,653 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #93#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,653 INFO L272 TraceCheckUtils]: 76: Hoare triple {10131#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9932#true} is VALID [2022-04-08 12:24:03,653 INFO L290 TraceCheckUtils]: 77: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,653 INFO L290 TraceCheckUtils]: 78: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,653 INFO L290 TraceCheckUtils]: 79: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,654 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #95#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,654 INFO L272 TraceCheckUtils]: 81: Hoare triple {10131#(< 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)); {9932#true} is VALID [2022-04-08 12:24:03,654 INFO L290 TraceCheckUtils]: 82: Hoare triple {9932#true} ~cond := #in~cond; {9932#true} is VALID [2022-04-08 12:24:03,654 INFO L290 TraceCheckUtils]: 83: Hoare triple {9932#true} assume !(0 == ~cond); {9932#true} is VALID [2022-04-08 12:24:03,654 INFO L290 TraceCheckUtils]: 84: Hoare triple {9932#true} assume true; {9932#true} is VALID [2022-04-08 12:24:03,657 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {9932#true} {10131#(< main_~b~0 main_~c~0)} #97#return; {10131#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:24:03,657 INFO L290 TraceCheckUtils]: 86: Hoare triple {10131#(< main_~b~0 main_~c~0)} assume !(~c~0 >= ~b~0); {9933#false} is VALID [2022-04-08 12:24:03,657 INFO L290 TraceCheckUtils]: 87: Hoare triple {9933#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; {9933#false} is VALID [2022-04-08 12:24:03,657 INFO L290 TraceCheckUtils]: 88: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 89: Hoare triple {9933#false} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 90: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L272 TraceCheckUtils]: 91: Hoare triple {9933#false} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 92: Hoare triple {9933#false} ~cond := #in~cond; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 93: Hoare triple {9933#false} assume !(0 == ~cond); {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 94: Hoare triple {9933#false} assume true; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9933#false} {9933#false} #91#return; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L272 TraceCheckUtils]: 96: Hoare triple {9933#false} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 97: Hoare triple {9933#false} ~cond := #in~cond; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 98: Hoare triple {9933#false} assume 0 == ~cond; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L290 TraceCheckUtils]: 99: Hoare triple {9933#false} assume !false; {9933#false} is VALID [2022-04-08 12:24:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-04-08 12:24:03,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 12:24:03,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:24:03,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530934664] [2022-04-08 12:24:03,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:24:03,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575825379] [2022-04-08 12:24:03,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575825379] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:24:03,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:24:03,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:24:03,659 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:24:03,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1509043635] [2022-04-08 12:24:03,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1509043635] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:24:03,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:24:03,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 12:24:03,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787256075] [2022-04-08 12:24:03,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:24:03,660 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 [2022-04-08 12:24:03,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:24:03,660 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) [2022-04-08 12:24:03,704 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:03,705 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 12:24:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:24:03,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 12:24:03,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 12:24:03,705 INFO L87 Difference]: Start difference. First operand 161 states and 212 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) [2022-04-08 12:24:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:04,230 INFO L93 Difference]: Finished difference Result 209 states and 286 transitions. [2022-04-08 12:24:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 12:24:04,230 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 [2022-04-08 12:24:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:24:04,230 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) [2022-04-08 12:24:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-08 12:24:04,232 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) [2022-04-08 12:24:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-08 12:24:04,232 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-08 12:24:04,303 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:04,306 INFO L225 Difference]: With dead ends: 209 [2022-04-08 12:24:04,306 INFO L226 Difference]: Without dead ends: 164 [2022-04-08 12:24:04,306 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:24:04,307 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:24:04,307 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 12:24:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-04-08 12:24:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2022-04-08 12:24:04,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:24:04,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:04,589 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:04,589 INFO L87 Difference]: Start difference. First operand 164 states. Second operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:04,593 INFO L93 Difference]: Finished difference Result 164 states and 215 transitions. [2022-04-08 12:24:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2022-04-08 12:24:04,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:24:04,593 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:24:04,594 INFO L74 IsIncluded]: Start isIncluded. First operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 164 states. [2022-04-08 12:24:04,594 INFO L87 Difference]: Start difference. First operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 164 states. [2022-04-08 12:24:04,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:24:04,597 INFO L93 Difference]: Finished difference Result 164 states and 215 transitions. [2022-04-08 12:24:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2022-04-08 12:24:04,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:24:04,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:24:04,597 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:24:04,598 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:24:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 84 states have (on average 1.119047619047619) internal successors, (94), 86 states have internal predecessors, (94), 55 states have call successors, (55), 16 states have call predecessors, (55), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:24:04,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2022-04-08 12:24:04,601 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 100 [2022-04-08 12:24:04,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:24:04,601 INFO L478 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2022-04-08 12:24:04,601 INFO L479 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) [2022-04-08 12:24:04,601 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 155 states and 201 transitions. [2022-04-08 12:24:04,956 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:24:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2022-04-08 12:24:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-08 12:24:04,957 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:24:04,957 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:24:04,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-08 12:24:05,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-04-08 12:24:05,163 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:24:05,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:24:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-08 12:24:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:24:05,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [156135069] [2022-04-08 12:24:05,164 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:24:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-08 12:24:05,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:24:05,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602290442] [2022-04-08 12:24:05,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:24:05,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:24:05,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:24:05,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227291425] [2022-04-08 12:24:05,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:24:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:24:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:24:05,177 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) [2022-04-08 12:24:05,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-08 12:24:05,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:24:05,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:24:05,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-08 12:24:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:24:05,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:24:06,727 INFO L272 TraceCheckUtils]: 0: Hoare triple {11296#true} call ULTIMATE.init(); {11296#true} is VALID [2022-04-08 12:24:06,727 INFO L290 TraceCheckUtils]: 1: Hoare triple {11296#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); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 2: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11296#true} {11296#true} #103#return; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L272 TraceCheckUtils]: 4: Hoare triple {11296#true} call #t~ret6 := main(); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 5: Hoare triple {11296#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; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L272 TraceCheckUtils]: 6: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 7: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 8: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 9: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11296#true} {11296#true} #79#return; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 11: Hoare triple {11296#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L272 TraceCheckUtils]: 12: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 13: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 14: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L290 TraceCheckUtils]: 15: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11296#true} {11296#true} #81#return; {11296#true} is VALID [2022-04-08 12:24:06,728 INFO L272 TraceCheckUtils]: 17: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:24:06,729 INFO L290 TraceCheckUtils]: 18: Hoare triple {11296#true} ~cond := #in~cond; {11355#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:24:06,729 INFO L290 TraceCheckUtils]: 19: Hoare triple {11355#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {11359#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:24:06,729 INFO L290 TraceCheckUtils]: 20: Hoare triple {11359#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {11359#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:24:06,730 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11359#(not (= |assume_abort_if_not_#in~cond| 0))} {11296#true} #83#return; {11366#(<= 1 main_~x~0)} is VALID [2022-04-08 12:24:06,730 INFO L272 TraceCheckUtils]: 22: Hoare triple {11366#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:24:06,730 INFO L290 TraceCheckUtils]: 23: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,730 INFO L290 TraceCheckUtils]: 24: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,730 INFO L290 TraceCheckUtils]: 25: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,730 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11296#true} {11366#(<= 1 main_~x~0)} #85#return; {11366#(<= 1 main_~x~0)} is VALID [2022-04-08 12:24:06,731 INFO L290 TraceCheckUtils]: 27: Hoare triple {11366#(<= 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; {11385#(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 [2022-04-08 12:24:06,731 INFO L272 TraceCheckUtils]: 28: Hoare triple {11385#(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)); {11296#true} is VALID [2022-04-08 12:24:06,731 INFO L290 TraceCheckUtils]: 29: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,731 INFO L290 TraceCheckUtils]: 30: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,731 INFO L290 TraceCheckUtils]: 31: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,732 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11296#true} {11385#(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; {11385#(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 [2022-04-08 12:24:06,732 INFO L272 TraceCheckUtils]: 33: Hoare triple {11385#(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)); {11296#true} is VALID [2022-04-08 12:24:06,732 INFO L290 TraceCheckUtils]: 34: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,732 INFO L290 TraceCheckUtils]: 35: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,732 INFO L290 TraceCheckUtils]: 36: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,733 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11296#true} {11385#(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; {11385#(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 [2022-04-08 12:24:06,733 INFO L290 TraceCheckUtils]: 38: Hoare triple {11385#(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; {11385#(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 [2022-04-08 12:24:06,734 INFO L290 TraceCheckUtils]: 39: Hoare triple {11385#(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; {11422#(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 [2022-04-08 12:24:06,734 INFO L290 TraceCheckUtils]: 40: Hoare triple {11422#(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; {11422#(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 [2022-04-08 12:24:06,734 INFO L272 TraceCheckUtils]: 41: Hoare triple {11422#(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)); {11296#true} is VALID [2022-04-08 12:24:06,735 INFO L290 TraceCheckUtils]: 42: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,735 INFO L290 TraceCheckUtils]: 43: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,735 INFO L290 TraceCheckUtils]: 44: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,736 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11296#true} {11422#(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; {11422#(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 [2022-04-08 12:24:06,736 INFO L272 TraceCheckUtils]: 46: Hoare triple {11422#(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)); {11296#true} is VALID [2022-04-08 12:24:06,736 INFO L290 TraceCheckUtils]: 47: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,736 INFO L290 TraceCheckUtils]: 48: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,736 INFO L290 TraceCheckUtils]: 49: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,737 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11296#true} {11422#(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; {11422#(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 [2022-04-08 12:24:06,737 INFO L272 TraceCheckUtils]: 51: Hoare triple {11422#(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)); {11296#true} is VALID [2022-04-08 12:24:06,737 INFO L290 TraceCheckUtils]: 52: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,737 INFO L290 TraceCheckUtils]: 53: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,737 INFO L290 TraceCheckUtils]: 54: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,738 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11296#true} {11422#(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; {11422#(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 [2022-04-08 12:24:06,738 INFO L272 TraceCheckUtils]: 56: Hoare triple {11422#(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)); {11296#true} is VALID [2022-04-08 12:24:06,738 INFO L290 TraceCheckUtils]: 57: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,738 INFO L290 TraceCheckUtils]: 58: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,738 INFO L290 TraceCheckUtils]: 59: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,738 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11296#true} {11422#(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; {11422#(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 [2022-04-08 12:24:06,740 INFO L290 TraceCheckUtils]: 61: Hoare triple {11422#(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; {11489#(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 [2022-04-08 12:24:06,740 INFO L290 TraceCheckUtils]: 62: Hoare triple {11489#(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; {11489#(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 [2022-04-08 12:24:06,740 INFO L272 TraceCheckUtils]: 63: Hoare triple {11489#(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)); {11296#true} is VALID [2022-04-08 12:24:06,740 INFO L290 TraceCheckUtils]: 64: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,740 INFO L290 TraceCheckUtils]: 65: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,740 INFO L290 TraceCheckUtils]: 66: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,741 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11296#true} {11489#(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; {11489#(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 [2022-04-08 12:24:06,741 INFO L272 TraceCheckUtils]: 68: Hoare triple {11489#(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 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:24:06,741 INFO L290 TraceCheckUtils]: 69: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:24:06,742 INFO L290 TraceCheckUtils]: 70: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,742 INFO L290 TraceCheckUtils]: 71: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,743 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11489#(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))} #93#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 12:24:06,743 INFO L272 TraceCheckUtils]: 73: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~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)); {11296#true} is VALID [2022-04-08 12:24:06,744 INFO L290 TraceCheckUtils]: 74: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:24:06,744 INFO L290 TraceCheckUtils]: 75: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,744 INFO L290 TraceCheckUtils]: 76: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,745 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 12:24:06,745 INFO L272 TraceCheckUtils]: 78: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~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)); {11296#true} is VALID [2022-04-08 12:24:06,745 INFO L290 TraceCheckUtils]: 79: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:24:06,745 INFO L290 TraceCheckUtils]: 80: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,746 INFO L290 TraceCheckUtils]: 81: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,746 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 12:24:06,747 INFO L290 TraceCheckUtils]: 83: Hoare triple {11525#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 main_~b~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {11559#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= (+ main_~c~0 main_~y~0) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 12:24:06,748 INFO L290 TraceCheckUtils]: 84: Hoare triple {11559#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= (+ main_~c~0 main_~y~0) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~q~0 0) (= main_~xy~0 (* main_~y~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; {11563#(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 [2022-04-08 12:24:06,749 INFO L290 TraceCheckUtils]: 85: Hoare triple {11563#(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; {11563#(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 [2022-04-08 12:24:06,749 INFO L290 TraceCheckUtils]: 86: Hoare triple {11563#(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; {11563#(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 [2022-04-08 12:24:06,749 INFO L290 TraceCheckUtils]: 87: Hoare triple {11563#(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; {11563#(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 [2022-04-08 12:24:06,750 INFO L272 TraceCheckUtils]: 88: Hoare triple {11563#(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)); {11296#true} is VALID [2022-04-08 12:24:06,750 INFO L290 TraceCheckUtils]: 89: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,750 INFO L290 TraceCheckUtils]: 90: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,750 INFO L290 TraceCheckUtils]: 91: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,750 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11296#true} {11563#(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; {11563#(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 [2022-04-08 12:24:06,750 INFO L272 TraceCheckUtils]: 93: Hoare triple {11563#(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)); {11296#true} is VALID [2022-04-08 12:24:06,751 INFO L290 TraceCheckUtils]: 94: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:24:06,751 INFO L290 TraceCheckUtils]: 95: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:24:06,751 INFO L290 TraceCheckUtils]: 96: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:24:06,751 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11296#true} {11563#(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; {11563#(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 [2022-04-08 12:24:06,751 INFO L272 TraceCheckUtils]: 98: Hoare triple {11563#(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)); {11296#true} is VALID [2022-04-08 12:24:06,752 INFO L290 TraceCheckUtils]: 99: Hoare triple {11296#true} ~cond := #in~cond; {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:24:06,752 INFO L290 TraceCheckUtils]: 100: Hoare triple {11514#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,752 INFO L290 TraceCheckUtils]: 101: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:24:06,753 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11563#(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; {11563#(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 [2022-04-08 12:24:06,755 INFO L272 TraceCheckUtils]: 103: Hoare triple {11563#(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)); {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:24:06,755 INFO L290 TraceCheckUtils]: 104: Hoare triple {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:24:06,755 INFO L290 TraceCheckUtils]: 105: Hoare triple {11625#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11297#false} is VALID [2022-04-08 12:24:06,755 INFO L290 TraceCheckUtils]: 106: Hoare triple {11297#false} assume !false; {11297#false} is VALID [2022-04-08 12:24:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 90 proven. 49 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-04-08 12:24:06,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:25:47,091 WARN L232 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-08 12:26:05,028 INFO L290 TraceCheckUtils]: 106: Hoare triple {11297#false} assume !false; {11297#false} is VALID [2022-04-08 12:26:05,029 INFO L290 TraceCheckUtils]: 105: Hoare triple {11625#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11297#false} is VALID [2022-04-08 12:26:05,029 INFO L290 TraceCheckUtils]: 104: Hoare triple {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:26:05,030 INFO L272 TraceCheckUtils]: 103: Hoare triple {11641#(= (+ (* 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)); {11621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:26:05,030 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11645#(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; {11641#(= (+ (* 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 [2022-04-08 12:26:05,031 INFO L290 TraceCheckUtils]: 101: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:05,031 INFO L290 TraceCheckUtils]: 100: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:05,031 INFO L290 TraceCheckUtils]: 99: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:26:05,031 INFO L272 TraceCheckUtils]: 98: Hoare triple {11645#(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)); {11296#true} is VALID [2022-04-08 12:26:05,032 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11296#true} {11645#(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; {11645#(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 [2022-04-08 12:26:05,032 INFO L290 TraceCheckUtils]: 96: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:05,032 INFO L290 TraceCheckUtils]: 95: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:05,032 INFO L290 TraceCheckUtils]: 94: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:05,032 INFO L272 TraceCheckUtils]: 93: Hoare triple {11645#(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)); {11296#true} is VALID [2022-04-08 12:26:05,033 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11296#true} {11645#(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; {11645#(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 [2022-04-08 12:26:05,033 INFO L290 TraceCheckUtils]: 91: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:05,033 INFO L290 TraceCheckUtils]: 90: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:05,033 INFO L290 TraceCheckUtils]: 89: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:05,033 INFO L272 TraceCheckUtils]: 88: Hoare triple {11645#(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)); {11296#true} is VALID [2022-04-08 12:26:05,033 INFO L290 TraceCheckUtils]: 87: Hoare triple {11645#(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; {11645#(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 [2022-04-08 12:26:05,034 INFO L290 TraceCheckUtils]: 86: Hoare triple {11645#(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; {11645#(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 [2022-04-08 12:26:05,034 INFO L290 TraceCheckUtils]: 85: Hoare triple {11645#(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; {11645#(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 [2022-04-08 12:26:07,036 WARN L290 TraceCheckUtils]: 84: Hoare triple {11701#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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; {11645#(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 [2022-04-08 12:26:07,037 INFO L290 TraceCheckUtils]: 83: Hoare triple {11705#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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); {11701#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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 [2022-04-08 12:26:07,038 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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; {11705#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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 [2022-04-08 12:26:07,038 INFO L290 TraceCheckUtils]: 81: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,039 INFO L290 TraceCheckUtils]: 80: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,039 INFO L290 TraceCheckUtils]: 79: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:26:07,039 INFO L272 TraceCheckUtils]: 78: Hoare triple {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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)); {11296#true} is VALID [2022-04-08 12:26:07,040 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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; {11709#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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 [2022-04-08 12:26:07,041 INFO L290 TraceCheckUtils]: 76: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,041 INFO L290 TraceCheckUtils]: 75: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,041 INFO L290 TraceCheckUtils]: 74: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:26:07,041 INFO L272 TraceCheckUtils]: 73: Hoare triple {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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)); {11296#true} is VALID [2022-04-08 12:26:07,042 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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; {11725#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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 [2022-04-08 12:26:07,043 INFO L290 TraceCheckUtils]: 71: Hoare triple {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,043 INFO L290 TraceCheckUtils]: 70: Hoare triple {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11518#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:07,043 INFO L290 TraceCheckUtils]: 69: Hoare triple {11296#true} ~cond := #in~cond; {11655#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:26:07,043 INFO L272 TraceCheckUtils]: 68: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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)); {11296#true} is VALID [2022-04-08 12:26:07,044 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11296#true} {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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)))} #91#return; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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 [2022-04-08 12:26:07,044 INFO L290 TraceCheckUtils]: 66: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:07,044 INFO L290 TraceCheckUtils]: 65: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:07,044 INFO L290 TraceCheckUtils]: 64: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:07,044 INFO L272 TraceCheckUtils]: 63: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:07,045 INFO L290 TraceCheckUtils]: 62: Hoare triple {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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 !false; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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 [2022-04-08 12:26:09,049 WARN L290 TraceCheckUtils]: 61: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11741#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) main_~c~0 (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)) (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~c~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_~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)))) (<= 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 UNKNOWN [2022-04-08 12:26:09,050 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #97#return; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,050 INFO L290 TraceCheckUtils]: 59: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,050 INFO L290 TraceCheckUtils]: 58: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,050 INFO L290 TraceCheckUtils]: 57: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,051 INFO L272 TraceCheckUtils]: 56: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (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)); {11296#true} is VALID [2022-04-08 12:26:09,051 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #95#return; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,051 INFO L290 TraceCheckUtils]: 54: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,051 INFO L290 TraceCheckUtils]: 53: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,051 INFO L290 TraceCheckUtils]: 52: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,052 INFO L272 TraceCheckUtils]: 51: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (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)); {11296#true} is VALID [2022-04-08 12:26:09,052 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #93#return; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,052 INFO L290 TraceCheckUtils]: 49: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,052 INFO L290 TraceCheckUtils]: 48: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,052 INFO L290 TraceCheckUtils]: 47: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,052 INFO L272 TraceCheckUtils]: 46: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (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)); {11296#true} is VALID [2022-04-08 12:26:09,053 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11296#true} {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} #91#return; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,053 INFO L290 TraceCheckUtils]: 44: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,053 INFO L290 TraceCheckUtils]: 43: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,053 INFO L290 TraceCheckUtils]: 42: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,053 INFO L272 TraceCheckUtils]: 41: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,054 INFO L290 TraceCheckUtils]: 40: Hoare triple {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} assume !false; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,125 INFO L290 TraceCheckUtils]: 39: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11775#(or (<= (* main_~b~0 2) main_~c~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_~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_~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)))) (= (+ (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) main_~c~0 (* (- 1) main_~b~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~c~0 (* (- 1) main_~b~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 12:26:09,126 INFO L290 TraceCheckUtils]: 38: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} assume !false; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:26:09,127 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11296#true} {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} #89#return; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:26:09,127 INFO L290 TraceCheckUtils]: 36: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,127 INFO L290 TraceCheckUtils]: 35: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,127 INFO L290 TraceCheckUtils]: 34: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,127 INFO L272 TraceCheckUtils]: 33: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,128 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11296#true} {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} #87#return; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:26:09,128 INFO L290 TraceCheckUtils]: 31: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,128 INFO L290 TraceCheckUtils]: 30: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,128 INFO L290 TraceCheckUtils]: 29: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,128 INFO L272 TraceCheckUtils]: 28: Hoare triple {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L290 TraceCheckUtils]: 27: Hoare triple {11296#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; {11842#(or (< (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~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_~s~0 main_~yy~0) (* main_~y~0 main_~y~0 main_~r~0) (* main_~q~0 main_~xy~0) (* main_~p~0 main_~y~0 main_~x~0)) (+ (* main_~q~0 main_~y~0 main_~x~0) (* main_~y~0 main_~y~0 main_~s~0) (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (<= (+ (* main_~q~0 main_~x~0) main_~b~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ (* main_~q~0 main_~x~0) main_~a~0 (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) main_~b~0 (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 12:26:09,129 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11296#true} {11296#true} #85#return; {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L290 TraceCheckUtils]: 25: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L290 TraceCheckUtils]: 24: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L290 TraceCheckUtils]: 23: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L272 TraceCheckUtils]: 22: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,129 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11296#true} {11296#true} #83#return; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 20: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 19: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 18: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L272 TraceCheckUtils]: 17: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11296#true} {11296#true} #81#return; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 15: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 14: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 13: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L272 TraceCheckUtils]: 12: Hoare triple {11296#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 11: Hoare triple {11296#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11296#true} {11296#true} #79#return; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 9: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 8: Hoare triple {11296#true} assume !(0 == ~cond); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 7: Hoare triple {11296#true} ~cond := #in~cond; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L272 TraceCheckUtils]: 6: Hoare triple {11296#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L290 TraceCheckUtils]: 5: Hoare triple {11296#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; {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L272 TraceCheckUtils]: 4: Hoare triple {11296#true} call #t~ret6 := main(); {11296#true} is VALID [2022-04-08 12:26:09,130 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11296#true} {11296#true} #103#return; {11296#true} is VALID [2022-04-08 12:26:09,131 INFO L290 TraceCheckUtils]: 2: Hoare triple {11296#true} assume true; {11296#true} is VALID [2022-04-08 12:26:09,131 INFO L290 TraceCheckUtils]: 1: Hoare triple {11296#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); {11296#true} is VALID [2022-04-08 12:26:09,131 INFO L272 TraceCheckUtils]: 0: Hoare triple {11296#true} call ULTIMATE.init(); {11296#true} is VALID [2022-04-08 12:26:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 84 proven. 40 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-04-08 12:26:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:26:09,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602290442] [2022-04-08 12:26:09,131 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:26:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227291425] [2022-04-08 12:26:09,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227291425] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:26:09,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:26:09,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-08 12:26:09,132 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:26:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [156135069] [2022-04-08 12:26:09,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [156135069] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:26:09,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:26:09,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-08 12:26:09,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573621827] [2022-04-08 12:26:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:26:09,133 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), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-08 12:26:09,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:26:09,133 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), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 12:26:09,195 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:26:09,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-08 12:26:09,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:26:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-08 12:26:09,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=474, Unknown=1, NotChecked=0, Total=600 [2022-04-08 12:26:09,196 INFO L87 Difference]: Start difference. First operand 155 states and 201 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), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 12:26:15,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:26:15,007 INFO L93 Difference]: Finished difference Result 162 states and 207 transitions. [2022-04-08 12:26:15,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-08 12:26:15,007 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), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-08 12:26:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:26:15,007 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), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 12:26:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-08 12:26:15,008 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), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 12:26:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-08 12:26:15,009 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-08 12:26:15,125 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:26:15,128 INFO L225 Difference]: With dead ends: 162 [2022-04-08 12:26:15,128 INFO L226 Difference]: Without dead ends: 160 [2022-04-08 12:26:15,128 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=158, Invalid=653, Unknown=1, NotChecked=0, Total=812 [2022-04-08 12:26:15,128 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-08 12:26:15,128 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 170 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-08 12:26:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-04-08 12:26:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2022-04-08 12:26:15,416 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:26:15,416 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:26:15,417 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:26:15,417 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:26:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:26:15,420 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2022-04-08 12:26:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2022-04-08 12:26:15,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:26:15,420 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:26:15,420 INFO L74 IsIncluded]: Start isIncluded. First operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 160 states. [2022-04-08 12:26:15,421 INFO L87 Difference]: Start difference. First operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 160 states. [2022-04-08 12:26:15,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:26:15,423 INFO L93 Difference]: Finished difference Result 160 states and 205 transitions. [2022-04-08 12:26:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2022-04-08 12:26:15,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:26:15,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:26:15,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:26:15,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:26:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 87 states have (on average 1.1149425287356323) internal successors, (97), 89 states have internal predecessors, (97), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 12:26:15,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2022-04-08 12:26:15,427 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 107 [2022-04-08 12:26:15,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:26:15,427 INFO L478 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-04-08 12:26:15,427 INFO L479 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), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 12:26:15,427 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 159 states and 204 transitions. [2022-04-08 12:26:15,782 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:26:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2022-04-08 12:26:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-08 12:26:15,784 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:26:15,784 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:26:15,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-08 12:26:15,995 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-08 12:26:15,995 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:26:15,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:26:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-08 12:26:15,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:26:15,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [864270962] [2022-04-08 12:26:15,996 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:26:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-08 12:26:15,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:26:15,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348135714] [2022-04-08 12:26:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:26:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:26:16,013 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:26:16,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613545201] [2022-04-08 12:26:16,013 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 12:26:16,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:26:16,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:26:16,014 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) [2022-04-08 12:26:16,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-08 12:26:16,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 12:26:16,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:26:16,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 57 conjunts are in the unsatisfiable core [2022-04-08 12:26:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:26:16,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:26:24,293 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 12:26:25,986 INFO L272 TraceCheckUtils]: 0: Hoare triple {12932#true} call ULTIMATE.init(); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 1: Hoare triple {12932#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); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 2: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12932#true} {12932#true} #103#return; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L272 TraceCheckUtils]: 4: Hoare triple {12932#true} call #t~ret6 := main(); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 5: Hoare triple {12932#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; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L272 TraceCheckUtils]: 6: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 7: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 8: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 9: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12932#true} {12932#true} #79#return; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 11: Hoare triple {12932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L272 TraceCheckUtils]: 12: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 13: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,987 INFO L290 TraceCheckUtils]: 14: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,988 INFO L290 TraceCheckUtils]: 15: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,988 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12932#true} {12932#true} #81#return; {12932#true} is VALID [2022-04-08 12:26:25,988 INFO L272 TraceCheckUtils]: 17: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:26:25,988 INFO L290 TraceCheckUtils]: 18: Hoare triple {12932#true} ~cond := #in~cond; {12991#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:26:25,988 INFO L290 TraceCheckUtils]: 19: Hoare triple {12991#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {12995#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:26:25,988 INFO L290 TraceCheckUtils]: 20: Hoare triple {12995#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {12995#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:26:25,989 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12995#(not (= |assume_abort_if_not_#in~cond| 0))} {12932#true} #83#return; {13002#(<= 1 main_~x~0)} is VALID [2022-04-08 12:26:25,989 INFO L272 TraceCheckUtils]: 22: Hoare triple {13002#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:26:25,989 INFO L290 TraceCheckUtils]: 23: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,989 INFO L290 TraceCheckUtils]: 24: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,989 INFO L290 TraceCheckUtils]: 25: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,989 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12932#true} {13002#(<= 1 main_~x~0)} #85#return; {13002#(<= 1 main_~x~0)} is VALID [2022-04-08 12:26:25,990 INFO L290 TraceCheckUtils]: 27: Hoare triple {13002#(<= 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; {13021#(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 [2022-04-08 12:26:25,990 INFO L272 TraceCheckUtils]: 28: Hoare triple {13021#(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)); {12932#true} is VALID [2022-04-08 12:26:25,990 INFO L290 TraceCheckUtils]: 29: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,990 INFO L290 TraceCheckUtils]: 30: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,990 INFO L290 TraceCheckUtils]: 31: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,991 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12932#true} {13021#(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; {13021#(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 [2022-04-08 12:26:25,991 INFO L272 TraceCheckUtils]: 33: Hoare triple {13021#(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)); {12932#true} is VALID [2022-04-08 12:26:25,991 INFO L290 TraceCheckUtils]: 34: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,991 INFO L290 TraceCheckUtils]: 35: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,991 INFO L290 TraceCheckUtils]: 36: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,992 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12932#true} {13021#(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; {13021#(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 [2022-04-08 12:26:25,993 INFO L290 TraceCheckUtils]: 38: Hoare triple {13021#(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; {13021#(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 [2022-04-08 12:26:25,993 INFO L290 TraceCheckUtils]: 39: Hoare triple {13021#(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; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,993 INFO L290 TraceCheckUtils]: 40: Hoare triple {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,994 INFO L272 TraceCheckUtils]: 41: Hoare triple {13058#(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_~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)); {12932#true} is VALID [2022-04-08 12:26:25,994 INFO L290 TraceCheckUtils]: 42: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,994 INFO L290 TraceCheckUtils]: 43: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,994 INFO L290 TraceCheckUtils]: 44: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,994 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12932#true} {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,994 INFO L272 TraceCheckUtils]: 46: Hoare triple {13058#(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_~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)); {12932#true} is VALID [2022-04-08 12:26:25,994 INFO L290 TraceCheckUtils]: 47: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,995 INFO L290 TraceCheckUtils]: 48: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,995 INFO L290 TraceCheckUtils]: 49: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,995 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12932#true} {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,995 INFO L272 TraceCheckUtils]: 51: Hoare triple {13058#(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_~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)); {12932#true} is VALID [2022-04-08 12:26:25,995 INFO L290 TraceCheckUtils]: 52: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,995 INFO L290 TraceCheckUtils]: 53: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,996 INFO L290 TraceCheckUtils]: 54: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,996 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12932#true} {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,996 INFO L272 TraceCheckUtils]: 56: Hoare triple {13058#(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_~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)); {12932#true} is VALID [2022-04-08 12:26:25,996 INFO L290 TraceCheckUtils]: 57: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:25,996 INFO L290 TraceCheckUtils]: 58: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:25,996 INFO L290 TraceCheckUtils]: 59: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:25,997 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12932#true} {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {13058#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,998 INFO L290 TraceCheckUtils]: 61: Hoare triple {13058#(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_~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; {13125#(and (= main_~r~0 0) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,998 INFO L290 TraceCheckUtils]: 62: Hoare triple {13125#(and (= main_~r~0 0) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13125#(and (= main_~r~0 0) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:25,998 INFO L272 TraceCheckUtils]: 63: Hoare triple {13125#(and (= main_~r~0 0) (<= 1 main_~k~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_~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)); {12932#true} is VALID [2022-04-08 12:26:25,999 INFO L290 TraceCheckUtils]: 64: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:26:25,999 INFO L290 TraceCheckUtils]: 65: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:25,999 INFO L290 TraceCheckUtils]: 66: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:26,000 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13125#(and (= main_~r~0 0) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,000 INFO L272 TraceCheckUtils]: 68: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~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)); {12932#true} is VALID [2022-04-08 12:26:26,001 INFO L290 TraceCheckUtils]: 69: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:26,001 INFO L290 TraceCheckUtils]: 70: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:26,001 INFO L290 TraceCheckUtils]: 71: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:26,001 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,002 INFO L272 TraceCheckUtils]: 73: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~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)); {12932#true} is VALID [2022-04-08 12:26:26,002 INFO L290 TraceCheckUtils]: 74: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:26,002 INFO L290 TraceCheckUtils]: 75: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:26,002 INFO L290 TraceCheckUtils]: 76: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:26,002 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,003 INFO L272 TraceCheckUtils]: 78: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~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)); {12932#true} is VALID [2022-04-08 12:26:26,003 INFO L290 TraceCheckUtils]: 79: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:26,003 INFO L290 TraceCheckUtils]: 80: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:26,003 INFO L290 TraceCheckUtils]: 81: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:26,004 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12932#true} {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,005 INFO L290 TraceCheckUtils]: 83: Hoare triple {13146#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~k~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_~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; {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,005 INFO L290 TraceCheckUtils]: 84: Hoare triple {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,005 INFO L272 TraceCheckUtils]: 85: Hoare triple {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~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)); {12932#true} is VALID [2022-04-08 12:26:26,006 INFO L290 TraceCheckUtils]: 86: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:26:26,006 INFO L290 TraceCheckUtils]: 87: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:26,006 INFO L290 TraceCheckUtils]: 88: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:26,007 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13195#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,007 INFO L272 TraceCheckUtils]: 90: Hoare triple {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~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)); {12932#true} is VALID [2022-04-08 12:26:26,008 INFO L290 TraceCheckUtils]: 91: Hoare triple {12932#true} ~cond := #in~cond; {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:26:26,008 INFO L290 TraceCheckUtils]: 92: Hoare triple {13135#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:26,008 INFO L290 TraceCheckUtils]: 93: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:26:26,010 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13214#(and (= main_~r~0 0) (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ main_~c~0 main_~b~0)) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,010 INFO L272 TraceCheckUtils]: 95: Hoare triple {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= 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)); {12932#true} is VALID [2022-04-08 12:26:26,010 INFO L290 TraceCheckUtils]: 96: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:26,010 INFO L290 TraceCheckUtils]: 97: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:26,010 INFO L290 TraceCheckUtils]: 98: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:26,011 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12932#true} {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,011 INFO L272 TraceCheckUtils]: 100: Hoare triple {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= 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)); {12932#true} is VALID [2022-04-08 12:26:26,011 INFO L290 TraceCheckUtils]: 101: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:26:26,011 INFO L290 TraceCheckUtils]: 102: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:26:26,011 INFO L290 TraceCheckUtils]: 103: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:26:26,012 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12932#true} {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 12:26:26,012 INFO L290 TraceCheckUtils]: 105: Hoare triple {13230#(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) (<= 2 main_~k~0) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (* main_~b~0 main_~k~0) (* main_~b~0 2)) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {13264#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~q~0 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 [2022-04-08 12:26:26,014 INFO L290 TraceCheckUtils]: 106: Hoare triple {13264#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~q~0 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; {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~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_~q~0 1))} is VALID [2022-04-08 12:26:26,014 INFO L290 TraceCheckUtils]: 107: Hoare triple {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~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_~q~0 1))} assume !false; {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~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_~q~0 1))} is VALID [2022-04-08 12:26:26,015 INFO L290 TraceCheckUtils]: 108: Hoare triple {13268#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~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_~q~0 1))} assume !(0 != ~b~0); {13275#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ (* main_~y~0 2) (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1))} is VALID [2022-04-08 12:26:26,015 INFO L272 TraceCheckUtils]: 109: Hoare triple {13275#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ (* main_~y~0 2) (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:26:26,016 INFO L290 TraceCheckUtils]: 110: Hoare triple {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13283#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:26:26,016 INFO L290 TraceCheckUtils]: 111: Hoare triple {13283#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12933#false} is VALID [2022-04-08 12:26:26,016 INFO L290 TraceCheckUtils]: 112: Hoare triple {12933#false} assume !false; {12933#false} is VALID [2022-04-08 12:26:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 81 proven. 59 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-04-08 12:26:26,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:28:23,478 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 12:28:25,542 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 12:28:58,973 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 12:29:21,399 INFO L290 TraceCheckUtils]: 112: Hoare triple {12933#false} assume !false; {12933#false} is VALID [2022-04-08 12:29:21,400 INFO L290 TraceCheckUtils]: 111: Hoare triple {13283#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12933#false} is VALID [2022-04-08 12:29:21,400 INFO L290 TraceCheckUtils]: 110: Hoare triple {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13283#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:21,401 INFO L272 TraceCheckUtils]: 109: Hoare triple {13299#(= (+ (* 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)); {13279#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:29:21,401 INFO L290 TraceCheckUtils]: 108: Hoare triple {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {13299#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-08 12:29:21,401 INFO L290 TraceCheckUtils]: 107: Hoare triple {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 12:29:22,469 INFO L290 TraceCheckUtils]: 106: Hoare triple {13310#(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; {13303#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 12:29:22,470 INFO L290 TraceCheckUtils]: 105: Hoare triple {13314#(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); {13310#(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 [2022-04-08 12:29:22,471 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12932#true} {13314#(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; {13314#(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 [2022-04-08 12:29:22,471 INFO L290 TraceCheckUtils]: 103: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:22,471 INFO L290 TraceCheckUtils]: 102: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:22,471 INFO L290 TraceCheckUtils]: 101: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:22,471 INFO L272 TraceCheckUtils]: 100: Hoare triple {13314#(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)); {12932#true} is VALID [2022-04-08 12:29:22,471 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12932#true} {13314#(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; {13314#(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 [2022-04-08 12:29:22,472 INFO L290 TraceCheckUtils]: 98: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:22,472 INFO L290 TraceCheckUtils]: 97: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:22,472 INFO L290 TraceCheckUtils]: 96: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:22,472 INFO L272 TraceCheckUtils]: 95: Hoare triple {13314#(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)); {12932#true} is VALID [2022-04-08 12:29:22,473 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13348#(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; {13314#(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 [2022-04-08 12:29:22,473 INFO L290 TraceCheckUtils]: 93: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:22,473 INFO L290 TraceCheckUtils]: 92: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:22,473 INFO L290 TraceCheckUtils]: 91: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:29:22,473 INFO L272 TraceCheckUtils]: 90: Hoare triple {13348#(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)); {12932#true} is VALID [2022-04-08 12:29:22,474 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13365#(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; {13348#(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 [2022-04-08 12:29:22,475 INFO L290 TraceCheckUtils]: 88: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:22,475 INFO L290 TraceCheckUtils]: 87: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:22,475 INFO L290 TraceCheckUtils]: 86: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:29:22,475 INFO L272 TraceCheckUtils]: 85: Hoare triple {13365#(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)); {12932#true} is VALID [2022-04-08 12:29:22,476 INFO L290 TraceCheckUtils]: 84: Hoare triple {13365#(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; {13365#(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 [2022-04-08 12:29:24,478 WARN L290 TraceCheckUtils]: 83: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13365#(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 UNKNOWN [2022-04-08 12:29:24,479 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #97#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:24,479 INFO L290 TraceCheckUtils]: 81: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:24,479 INFO L290 TraceCheckUtils]: 80: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:24,479 INFO L290 TraceCheckUtils]: 79: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:24,479 INFO L272 TraceCheckUtils]: 78: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) 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)); {12932#true} is VALID [2022-04-08 12:29:24,483 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #95#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:24,483 INFO L290 TraceCheckUtils]: 76: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:24,483 INFO L290 TraceCheckUtils]: 75: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L290 TraceCheckUtils]: 74: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L272 TraceCheckUtils]: 73: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12932#true} {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #93#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:24,484 INFO L290 TraceCheckUtils]: 71: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L290 TraceCheckUtils]: 70: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L290 TraceCheckUtils]: 69: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:24,484 INFO L272 TraceCheckUtils]: 68: Hoare triple {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:24,486 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~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)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} #91#return; {13384#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div main_~a~0 main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ (* (- 1) (* main_~s~0 (div main_~a~0 main_~b~0))) main_~r~0) main_~y~0) (* (+ (* (- 1) main_~q~0 (div main_~a~0 main_~b~0)) main_~p~0) main_~x~0)) 0) (not (<= main_~b~0 main_~c~0)) (not (= (+ main_~a~0 (* (- 1) main_~b~0 (div main_~a~0 main_~b~0))) (+ main_~c~0 (* (- 1) main_~b~0)))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:24,486 INFO L290 TraceCheckUtils]: 66: Hoare triple {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:24,486 INFO L290 TraceCheckUtils]: 65: Hoare triple {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {13139#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:24,486 INFO L290 TraceCheckUtils]: 64: Hoare triple {12932#true} ~cond := #in~cond; {13358#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:29:24,487 INFO L272 TraceCheckUtils]: 63: Hoare triple {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~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)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:24,487 INFO L290 TraceCheckUtils]: 62: Hoare triple {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~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)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} assume !false; {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~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)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} is VALID [2022-04-08 12:29:26,489 WARN L290 TraceCheckUtils]: 61: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13433#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~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)))) (< main_~c~0 main_~b~0) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* main_~b~0 (div main_~a~0 main_~b~0))))))} is UNKNOWN [2022-04-08 12:29:26,490 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #97#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,490 INFO L290 TraceCheckUtils]: 59: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,490 INFO L290 TraceCheckUtils]: 58: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,490 INFO L290 TraceCheckUtils]: 57: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,490 INFO L272 TraceCheckUtils]: 56: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) 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)); {12932#true} is VALID [2022-04-08 12:29:26,491 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #95#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,491 INFO L290 TraceCheckUtils]: 54: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,491 INFO L290 TraceCheckUtils]: 53: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,491 INFO L290 TraceCheckUtils]: 52: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,491 INFO L272 TraceCheckUtils]: 51: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,492 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #93#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,492 INFO L290 TraceCheckUtils]: 49: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,492 INFO L290 TraceCheckUtils]: 48: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,492 INFO L290 TraceCheckUtils]: 47: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,492 INFO L272 TraceCheckUtils]: 46: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,493 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12932#true} {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #91#return; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,493 INFO L290 TraceCheckUtils]: 44: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,493 INFO L290 TraceCheckUtils]: 43: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,493 INFO L290 TraceCheckUtils]: 42: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,493 INFO L272 TraceCheckUtils]: 41: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,494 INFO L290 TraceCheckUtils]: 40: Hoare triple {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !false; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,494 INFO L290 TraceCheckUtils]: 39: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {13452#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (+ main_~b~0 main_~a~0) (+ main_~c~0 (* (- 1) main_~b~0) (* main_~b~0 (div main_~a~0 main_~b~0))))) (not (= (mod (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0) 0)) (not (<= (+ main_~k~0 1) (div (+ (* (- 1) main_~c~0) main_~b~0 main_~a~0) main_~b~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~c~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,495 INFO L290 TraceCheckUtils]: 38: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} assume !false; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,495 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12932#true} {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #89#return; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 36: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 35: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 34: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L272 TraceCheckUtils]: 33: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12932#true} {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} #87#return; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 31: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 30: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,496 INFO L290 TraceCheckUtils]: 29: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,497 INFO L272 TraceCheckUtils]: 28: Hoare triple {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 27: Hoare triple {12932#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; {13519#(or (not (= (mod main_~a~0 main_~b~0) 0)) (not (= (* main_~b~0 (div main_~a~0 main_~b~0)) (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (< main_~a~0 (* main_~b~0 2)) (= (+ (* main_~y~0 main_~s~0 (div main_~a~0 main_~b~0)) (* main_~q~0 main_~x~0 (div main_~a~0 main_~b~0))) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= (+ main_~b~0 (* main_~b~0 (div main_~a~0 main_~b~0))) main_~a~0))} is VALID [2022-04-08 12:29:26,498 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12932#true} {12932#true} #85#return; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 25: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 24: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 23: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L272 TraceCheckUtils]: 22: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12932#true} {12932#true} #83#return; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 20: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 19: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L290 TraceCheckUtils]: 18: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L272 TraceCheckUtils]: 17: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,498 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12932#true} {12932#true} #81#return; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 15: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 14: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 13: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L272 TraceCheckUtils]: 12: Hoare triple {12932#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 11: Hoare triple {12932#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12932#true} {12932#true} #79#return; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 9: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 8: Hoare triple {12932#true} assume !(0 == ~cond); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 7: Hoare triple {12932#true} ~cond := #in~cond; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L272 TraceCheckUtils]: 6: Hoare triple {12932#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 5: Hoare triple {12932#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; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L272 TraceCheckUtils]: 4: Hoare triple {12932#true} call #t~ret6 := main(); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12932#true} {12932#true} #103#return; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 2: Hoare triple {12932#true} assume true; {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L290 TraceCheckUtils]: 1: Hoare triple {12932#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); {12932#true} is VALID [2022-04-08 12:29:26,499 INFO L272 TraceCheckUtils]: 0: Hoare triple {12932#true} call ULTIMATE.init(); {12932#true} is VALID [2022-04-08 12:29:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 75 proven. 50 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-04-08 12:29:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:29:26,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348135714] [2022-04-08 12:29:26,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:29:26,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613545201] [2022-04-08 12:29:26,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613545201] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:29:26,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:29:26,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 30 [2022-04-08 12:29:26,501 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:29:26,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [864270962] [2022-04-08 12:29:26,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [864270962] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:29:26,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:29:26,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-04-08 12:29:26,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678947169] [2022-04-08 12:29:26,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:29:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 113 [2022-04-08 12:29:26,501 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:29:26,502 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-08 12:29:26,570 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:26,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-04-08 12:29:26,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:26,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-04-08 12:29:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=714, Unknown=2, NotChecked=0, Total=870 [2022-04-08 12:29:26,571 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-08 12:29:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:34,496 INFO L93 Difference]: Finished difference Result 192 states and 250 transitions. [2022-04-08 12:29:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-08 12:29:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 113 [2022-04-08 12:29:34,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:29:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-08 12:29:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2022-04-08 12:29:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-08 12:29:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2022-04-08 12:29:34,499 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 117 transitions. [2022-04-08 12:29:34,636 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:34,640 INFO L225 Difference]: With dead ends: 192 [2022-04-08 12:29:34,640 INFO L226 Difference]: Without dead ends: 189 [2022-04-08 12:29:34,641 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=202, Invalid=986, Unknown=2, NotChecked=0, Total=1190 [2022-04-08 12:29:34,641 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 45 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-04-08 12:29:34,641 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 227 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-04-08 12:29:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-04-08 12:29:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 188. [2022-04-08 12:29:35,053 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:29:35,053 INFO L82 GeneralOperation]: Start isEquivalent. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-08 12:29:35,053 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-08 12:29:35,054 INFO L87 Difference]: Start difference. First operand 189 states. Second operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-08 12:29:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:35,057 INFO L93 Difference]: Finished difference Result 189 states and 246 transitions. [2022-04-08 12:29:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2022-04-08 12:29:35,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:35,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:35,058 INFO L74 IsIncluded]: Start isIncluded. First operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Second operand 189 states. [2022-04-08 12:29:35,058 INFO L87 Difference]: Start difference. First operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) Second operand 189 states. [2022-04-08 12:29:35,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:35,062 INFO L93 Difference]: Finished difference Result 189 states and 246 transitions. [2022-04-08 12:29:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2022-04-08 12:29:35,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:35,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:35,062 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:29:35,062 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:29:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 67 states have call successors, (67), 19 states have call predecessors, (67), 18 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2022-04-08 12:29:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2022-04-08 12:29:35,066 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 113 [2022-04-08 12:29:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:29:35,066 INFO L478 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2022-04-08 12:29:35,066 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 14 states have internal predecessors, (31), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) [2022-04-08 12:29:35,067 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 188 states and 245 transitions. [2022-04-08 12:29:35,528 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2022-04-08 12:29:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-08 12:29:35,529 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:29:35,529 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:29:35,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-04-08 12:29:35,729 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:29:35,730 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:29:35,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:29:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-08 12:29:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:35,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [724163677] [2022-04-08 12:29:35,731 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:29:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-08 12:29:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:29:35,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075576618] [2022-04-08 12:29:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:29:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:29:35,746 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:29:35,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957856840] [2022-04-08 12:29:35,746 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 12:29:35,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:29:35,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:29:35,747 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) [2022-04-08 12:29:35,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-08 12:29:35,805 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 12:29:35,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:29:35,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 12:29:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:29:35,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:29:36,120 INFO L272 TraceCheckUtils]: 0: Hoare triple {14787#true} call ULTIMATE.init(); {14787#true} is VALID [2022-04-08 12:29:36,120 INFO L290 TraceCheckUtils]: 1: Hoare triple {14787#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); {14787#true} is VALID [2022-04-08 12:29:36,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,120 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14787#true} {14787#true} #103#return; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L272 TraceCheckUtils]: 4: Hoare triple {14787#true} call #t~ret6 := main(); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 5: Hoare triple {14787#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; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L272 TraceCheckUtils]: 6: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 7: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 8: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 9: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14787#true} {14787#true} #79#return; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 11: Hoare triple {14787#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L272 TraceCheckUtils]: 12: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 13: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 14: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14787#true} {14787#true} #81#return; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L272 TraceCheckUtils]: 17: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 18: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 19: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14787#true} {14787#true} #83#return; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L272 TraceCheckUtils]: 22: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 23: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 24: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 25: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14787#true} {14787#true} #85#return; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 27: Hoare triple {14787#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; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L272 TraceCheckUtils]: 28: Hoare triple {14787#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 29: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 30: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 31: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14787#true} {14787#true} #87#return; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L272 TraceCheckUtils]: 33: Hoare triple {14787#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 34: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 35: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L290 TraceCheckUtils]: 36: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,122 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14787#true} {14787#true} #89#return; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 38: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 39: Hoare triple {14787#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 40: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L272 TraceCheckUtils]: 41: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 42: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 43: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 44: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14787#true} {14787#true} #91#return; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L272 TraceCheckUtils]: 46: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 47: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 48: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 49: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14787#true} {14787#true} #93#return; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L272 TraceCheckUtils]: 51: Hoare triple {14787#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 52: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 53: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L290 TraceCheckUtils]: 54: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,123 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14787#true} {14787#true} #95#return; {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L272 TraceCheckUtils]: 56: Hoare triple {14787#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)); {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L290 TraceCheckUtils]: 57: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L290 TraceCheckUtils]: 58: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L290 TraceCheckUtils]: 59: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14787#true} {14787#true} #97#return; {14787#true} is VALID [2022-04-08 12:29:36,124 INFO L290 TraceCheckUtils]: 61: Hoare triple {14787#true} assume !(~c~0 >= ~b~0); {14975#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:36,124 INFO L290 TraceCheckUtils]: 62: Hoare triple {14975#(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; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:29:36,125 INFO L290 TraceCheckUtils]: 63: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !false; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:29:36,125 INFO L290 TraceCheckUtils]: 64: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,125 INFO L290 TraceCheckUtils]: 65: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !false; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,125 INFO L272 TraceCheckUtils]: 66: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,125 INFO L290 TraceCheckUtils]: 67: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,125 INFO L290 TraceCheckUtils]: 68: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,126 INFO L290 TraceCheckUtils]: 69: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,126 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #91#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,126 INFO L272 TraceCheckUtils]: 71: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,126 INFO L290 TraceCheckUtils]: 72: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,126 INFO L290 TraceCheckUtils]: 73: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,126 INFO L290 TraceCheckUtils]: 74: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,127 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #93#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,127 INFO L272 TraceCheckUtils]: 76: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,127 INFO L290 TraceCheckUtils]: 77: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,127 INFO L290 TraceCheckUtils]: 78: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,127 INFO L290 TraceCheckUtils]: 79: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,127 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #95#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,128 INFO L272 TraceCheckUtils]: 81: Hoare triple {14986#(< 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)); {14787#true} is VALID [2022-04-08 12:29:36,128 INFO L290 TraceCheckUtils]: 82: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,128 INFO L290 TraceCheckUtils]: 83: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,128 INFO L290 TraceCheckUtils]: 84: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,128 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #97#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,129 INFO L290 TraceCheckUtils]: 86: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,129 INFO L290 TraceCheckUtils]: 87: Hoare triple {15053#(< 0 main_~c~0)} assume !false; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,129 INFO L272 TraceCheckUtils]: 88: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,129 INFO L290 TraceCheckUtils]: 89: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,129 INFO L290 TraceCheckUtils]: 90: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,130 INFO L290 TraceCheckUtils]: 91: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,130 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #91#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,130 INFO L272 TraceCheckUtils]: 93: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,130 INFO L290 TraceCheckUtils]: 94: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,130 INFO L290 TraceCheckUtils]: 95: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,130 INFO L290 TraceCheckUtils]: 96: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,131 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #93#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,131 INFO L272 TraceCheckUtils]: 98: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,131 INFO L290 TraceCheckUtils]: 99: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,131 INFO L290 TraceCheckUtils]: 100: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,131 INFO L290 TraceCheckUtils]: 101: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,131 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #95#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,131 INFO L272 TraceCheckUtils]: 103: Hoare triple {15053#(< 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)); {14787#true} is VALID [2022-04-08 12:29:36,132 INFO L290 TraceCheckUtils]: 104: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,132 INFO L290 TraceCheckUtils]: 105: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,132 INFO L290 TraceCheckUtils]: 106: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,132 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #97#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,132 INFO L290 TraceCheckUtils]: 108: Hoare triple {15053#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,133 INFO L290 TraceCheckUtils]: 109: Hoare triple {15053#(< 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; {15123#(< 0 main_~b~0)} is VALID [2022-04-08 12:29:36,133 INFO L290 TraceCheckUtils]: 110: Hoare triple {15123#(< 0 main_~b~0)} assume !false; {15123#(< 0 main_~b~0)} is VALID [2022-04-08 12:29:36,133 INFO L290 TraceCheckUtils]: 111: Hoare triple {15123#(< 0 main_~b~0)} assume !(0 != ~b~0); {14788#false} is VALID [2022-04-08 12:29:36,133 INFO L272 TraceCheckUtils]: 112: Hoare triple {14788#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14788#false} is VALID [2022-04-08 12:29:36,133 INFO L290 TraceCheckUtils]: 113: Hoare triple {14788#false} ~cond := #in~cond; {14788#false} is VALID [2022-04-08 12:29:36,134 INFO L290 TraceCheckUtils]: 114: Hoare triple {14788#false} assume 0 == ~cond; {14788#false} is VALID [2022-04-08 12:29:36,134 INFO L290 TraceCheckUtils]: 115: Hoare triple {14788#false} assume !false; {14788#false} is VALID [2022-04-08 12:29:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-08 12:29:36,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:29:36,469 INFO L290 TraceCheckUtils]: 115: Hoare triple {14788#false} assume !false; {14788#false} is VALID [2022-04-08 12:29:36,469 INFO L290 TraceCheckUtils]: 114: Hoare triple {14788#false} assume 0 == ~cond; {14788#false} is VALID [2022-04-08 12:29:36,469 INFO L290 TraceCheckUtils]: 113: Hoare triple {14788#false} ~cond := #in~cond; {14788#false} is VALID [2022-04-08 12:29:36,469 INFO L272 TraceCheckUtils]: 112: Hoare triple {14788#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14788#false} is VALID [2022-04-08 12:29:36,477 INFO L290 TraceCheckUtils]: 111: Hoare triple {15123#(< 0 main_~b~0)} assume !(0 != ~b~0); {14788#false} is VALID [2022-04-08 12:29:36,478 INFO L290 TraceCheckUtils]: 110: Hoare triple {15123#(< 0 main_~b~0)} assume !false; {15123#(< 0 main_~b~0)} is VALID [2022-04-08 12:29:36,478 INFO L290 TraceCheckUtils]: 109: Hoare triple {15053#(< 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; {15123#(< 0 main_~b~0)} is VALID [2022-04-08 12:29:36,478 INFO L290 TraceCheckUtils]: 108: Hoare triple {15053#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,479 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #97#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,479 INFO L290 TraceCheckUtils]: 106: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,479 INFO L290 TraceCheckUtils]: 105: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,479 INFO L290 TraceCheckUtils]: 104: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,479 INFO L272 TraceCheckUtils]: 103: Hoare triple {15053#(< 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)); {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #95#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,480 INFO L290 TraceCheckUtils]: 101: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L290 TraceCheckUtils]: 100: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L290 TraceCheckUtils]: 99: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L272 TraceCheckUtils]: 98: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #93#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,480 INFO L290 TraceCheckUtils]: 96: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,480 INFO L290 TraceCheckUtils]: 95: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L290 TraceCheckUtils]: 94: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L272 TraceCheckUtils]: 93: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14787#true} {15053#(< 0 main_~c~0)} #91#return; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,481 INFO L290 TraceCheckUtils]: 91: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L290 TraceCheckUtils]: 90: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L290 TraceCheckUtils]: 89: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L272 TraceCheckUtils]: 88: Hoare triple {15053#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,481 INFO L290 TraceCheckUtils]: 87: Hoare triple {15053#(< 0 main_~c~0)} assume !false; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,482 INFO L290 TraceCheckUtils]: 86: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {15053#(< 0 main_~c~0)} is VALID [2022-04-08 12:29:36,483 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #97#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,483 INFO L290 TraceCheckUtils]: 84: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,483 INFO L290 TraceCheckUtils]: 83: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,483 INFO L290 TraceCheckUtils]: 82: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,483 INFO L272 TraceCheckUtils]: 81: Hoare triple {14986#(< 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)); {14787#true} is VALID [2022-04-08 12:29:36,484 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #95#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,484 INFO L290 TraceCheckUtils]: 79: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,484 INFO L290 TraceCheckUtils]: 78: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,484 INFO L290 TraceCheckUtils]: 77: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,484 INFO L272 TraceCheckUtils]: 76: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #93#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,485 INFO L290 TraceCheckUtils]: 74: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L290 TraceCheckUtils]: 73: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L290 TraceCheckUtils]: 72: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L272 TraceCheckUtils]: 71: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14787#true} {14986#(< main_~b~0 main_~c~0)} #91#return; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,485 INFO L290 TraceCheckUtils]: 69: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,485 INFO L290 TraceCheckUtils]: 68: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,486 INFO L290 TraceCheckUtils]: 67: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,486 INFO L272 TraceCheckUtils]: 66: Hoare triple {14986#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,486 INFO L290 TraceCheckUtils]: 65: Hoare triple {14986#(< main_~b~0 main_~c~0)} assume !false; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,486 INFO L290 TraceCheckUtils]: 64: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14986#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 12:29:36,486 INFO L290 TraceCheckUtils]: 63: Hoare triple {14979#(< main_~b~0 main_~a~0)} assume !false; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:29:36,487 INFO L290 TraceCheckUtils]: 62: Hoare triple {14975#(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; {14979#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 12:29:36,487 INFO L290 TraceCheckUtils]: 61: Hoare triple {14787#true} assume !(~c~0 >= ~b~0); {14975#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:36,487 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14787#true} {14787#true} #97#return; {14787#true} is VALID [2022-04-08 12:29:36,487 INFO L290 TraceCheckUtils]: 59: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,487 INFO L290 TraceCheckUtils]: 58: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,487 INFO L290 TraceCheckUtils]: 57: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,487 INFO L272 TraceCheckUtils]: 56: Hoare triple {14787#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)); {14787#true} is VALID [2022-04-08 12:29:36,487 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14787#true} {14787#true} #95#return; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 54: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 53: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 52: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L272 TraceCheckUtils]: 51: Hoare triple {14787#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14787#true} {14787#true} #93#return; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 49: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 48: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 47: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L272 TraceCheckUtils]: 46: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14787#true} {14787#true} #91#return; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 44: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 43: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 42: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L272 TraceCheckUtils]: 41: Hoare triple {14787#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 40: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 39: Hoare triple {14787#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L290 TraceCheckUtils]: 38: Hoare triple {14787#true} assume !false; {14787#true} is VALID [2022-04-08 12:29:36,488 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14787#true} {14787#true} #89#return; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 36: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 35: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 34: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L272 TraceCheckUtils]: 33: Hoare triple {14787#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14787#true} {14787#true} #87#return; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 31: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 30: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 29: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L272 TraceCheckUtils]: 28: Hoare triple {14787#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 27: Hoare triple {14787#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; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14787#true} {14787#true} #85#return; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 25: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 24: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 23: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L272 TraceCheckUtils]: 22: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14787#true} {14787#true} #83#return; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 20: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,489 INFO L290 TraceCheckUtils]: 19: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 18: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L272 TraceCheckUtils]: 17: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14787#true} {14787#true} #81#return; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 15: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 14: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 13: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L272 TraceCheckUtils]: 12: Hoare triple {14787#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 11: Hoare triple {14787#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14787#true} {14787#true} #79#return; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 9: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 8: Hoare triple {14787#true} assume !(0 == ~cond); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 7: Hoare triple {14787#true} ~cond := #in~cond; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L272 TraceCheckUtils]: 6: Hoare triple {14787#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 5: Hoare triple {14787#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; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L272 TraceCheckUtils]: 4: Hoare triple {14787#true} call #t~ret6 := main(); {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14787#true} {14787#true} #103#return; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 2: Hoare triple {14787#true} assume true; {14787#true} is VALID [2022-04-08 12:29:36,490 INFO L290 TraceCheckUtils]: 1: Hoare triple {14787#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); {14787#true} is VALID [2022-04-08 12:29:36,491 INFO L272 TraceCheckUtils]: 0: Hoare triple {14787#true} call ULTIMATE.init(); {14787#true} is VALID [2022-04-08 12:29:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-08 12:29:36,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:29:36,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075576618] [2022-04-08 12:29:36,491 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:29:36,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957856840] [2022-04-08 12:29:36,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957856840] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:29:36,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:29:36,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-08 12:29:36,491 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:29:36,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [724163677] [2022-04-08 12:29:36,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [724163677] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:29:36,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:29:36,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 12:29:36,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475615493] [2022-04-08 12:29:36,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:29:36,492 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 [2022-04-08 12:29:36,492 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:29:36,492 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) [2022-04-08 12:29:36,553 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:36,553 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 12:29:36,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:36,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 12:29:36,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-08 12:29:36,553 INFO L87 Difference]: Start difference. First operand 188 states and 245 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) [2022-04-08 12:29:38,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:38,186 INFO L93 Difference]: Finished difference Result 248 states and 345 transitions. [2022-04-08 12:29:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 12:29:38,186 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 [2022-04-08 12:29:38,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:29:38,187 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) [2022-04-08 12:29:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-08 12:29:38,190 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) [2022-04-08 12:29:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-08 12:29:38,192 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-08 12:29:38,308 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:38,312 INFO L225 Difference]: With dead ends: 248 [2022-04-08 12:29:38,313 INFO L226 Difference]: Without dead ends: 240 [2022-04-08 12:29:38,313 INFO L912 BasicCegarLoop]: 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 [2022-04-08 12:29:38,313 INFO L913 BasicCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 12:29:38,313 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 280 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 12:29:38,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-04-08 12:29:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2022-04-08 12:29:38,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:29:38,834 INFO L82 GeneralOperation]: Start isEquivalent. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-08 12:29:38,835 INFO L74 IsIncluded]: Start isIncluded. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-08 12:29:38,835 INFO L87 Difference]: Start difference. First operand 240 states. Second operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-08 12:29:38,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:38,856 INFO L93 Difference]: Finished difference Result 240 states and 336 transitions. [2022-04-08 12:29:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 336 transitions. [2022-04-08 12:29:38,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:38,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:38,857 INFO L74 IsIncluded]: Start isIncluded. First operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand 240 states. [2022-04-08 12:29:38,857 INFO L87 Difference]: Start difference. First operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand 240 states. [2022-04-08 12:29:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:38,863 INFO L93 Difference]: Finished difference Result 240 states and 336 transitions. [2022-04-08 12:29:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 336 transitions. [2022-04-08 12:29:38,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:38,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:38,864 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:29:38,864 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:29:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 117 states have internal predecessors, (132), 87 states have call successors, (87), 19 states have call predecessors, (87), 18 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-04-08 12:29:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 303 transitions. [2022-04-08 12:29:38,869 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 303 transitions. Word has length 116 [2022-04-08 12:29:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:29:38,870 INFO L478 AbstractCegarLoop]: Abstraction has 221 states and 303 transitions. [2022-04-08 12:29:38,870 INFO L479 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) [2022-04-08 12:29:38,870 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 221 states and 303 transitions. [2022-04-08 12:29:39,524 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 303 edges. 303 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2022-04-08 12:29:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-08 12:29:39,525 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:29:39,525 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:29:39,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-04-08 12:29:39,726 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-08 12:29:39,726 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:29:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:29:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-08 12:29:39,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:39,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1296621539] [2022-04-08 12:29:39,727 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:29:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-08 12:29:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:29:39,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077234476] [2022-04-08 12:29:39,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:29:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:29:39,740 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:29:39,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931433762] [2022-04-08 12:29:39,740 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 12:29:39,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:29:39,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:29:39,741 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) [2022-04-08 12:29:39,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-08 12:29:39,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 12:29:39,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:29:39,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-08 12:29:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:29:39,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:29:40,054 INFO L272 TraceCheckUtils]: 0: Hoare triple {16926#true} call ULTIMATE.init(); {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 1: Hoare triple {16926#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); {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 2: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16926#true} {16926#true} #103#return; {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L272 TraceCheckUtils]: 4: Hoare triple {16926#true} call #t~ret6 := main(); {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 5: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L272 TraceCheckUtils]: 6: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 7: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 8: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,054 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16926#true} {16926#true} #79#return; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 11: Hoare triple {16926#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L272 TraceCheckUtils]: 12: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 13: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 14: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 15: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16926#true} {16926#true} #81#return; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L272 TraceCheckUtils]: 17: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 18: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 19: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 20: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16926#true} {16926#true} #83#return; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L272 TraceCheckUtils]: 22: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 23: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 24: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 25: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16926#true} {16926#true} #85#return; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L290 TraceCheckUtils]: 27: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:40,055 INFO L272 TraceCheckUtils]: 28: Hoare triple {16926#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 29: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 30: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 31: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16926#true} {16926#true} #87#return; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L272 TraceCheckUtils]: 33: Hoare triple {16926#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 34: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 35: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 36: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16926#true} {16926#true} #89#return; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 38: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 39: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 40: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L272 TraceCheckUtils]: 41: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 42: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 43: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L290 TraceCheckUtils]: 44: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:40,056 INFO L272 TraceCheckUtils]: 46: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 47: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 48: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 49: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L272 TraceCheckUtils]: 51: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 52: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 53: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 54: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L272 TraceCheckUtils]: 56: Hoare triple {16926#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)); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 57: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 58: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 59: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 61: Hoare triple {16926#true} assume !(~c~0 >= ~b~0); {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 62: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 63: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:40,057 INFO L290 TraceCheckUtils]: 64: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 65: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L272 TraceCheckUtils]: 66: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 67: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 68: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 69: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L272 TraceCheckUtils]: 71: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 72: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 73: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 74: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L272 TraceCheckUtils]: 76: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 77: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 78: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 79: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L272 TraceCheckUtils]: 81: Hoare triple {16926#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)); {16926#true} is VALID [2022-04-08 12:29:40,058 INFO L290 TraceCheckUtils]: 82: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 83: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 84: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 86: Hoare triple {16926#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 87: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L272 TraceCheckUtils]: 88: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 89: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 90: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 91: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L272 TraceCheckUtils]: 93: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 94: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 95: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L290 TraceCheckUtils]: 96: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:40,059 INFO L272 TraceCheckUtils]: 98: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:40,060 INFO L290 TraceCheckUtils]: 99: Hoare triple {16926#true} ~cond := #in~cond; {17228#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:40,060 INFO L290 TraceCheckUtils]: 100: Hoare triple {17228#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:40,060 INFO L290 TraceCheckUtils]: 101: Hoare triple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:40,061 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} {16926#true} #95#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:40,061 INFO L272 TraceCheckUtils]: 103: Hoare triple {17239#(= 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)); {16926#true} is VALID [2022-04-08 12:29:40,061 INFO L290 TraceCheckUtils]: 104: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,061 INFO L290 TraceCheckUtils]: 105: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,061 INFO L290 TraceCheckUtils]: 106: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,062 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16926#true} {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:40,062 INFO L290 TraceCheckUtils]: 108: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:40,062 INFO L290 TraceCheckUtils]: 109: Hoare triple {17239#(= 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; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:40,063 INFO L290 TraceCheckUtils]: 110: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:40,063 INFO L290 TraceCheckUtils]: 111: Hoare triple {17261#(= 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; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:40,063 INFO L290 TraceCheckUtils]: 112: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:40,064 INFO L272 TraceCheckUtils]: 113: Hoare triple {17261#(= 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)); {16926#true} is VALID [2022-04-08 12:29:40,064 INFO L290 TraceCheckUtils]: 114: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:40,064 INFO L290 TraceCheckUtils]: 115: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:40,064 INFO L290 TraceCheckUtils]: 116: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:40,064 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16926#true} {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:40,065 INFO L272 TraceCheckUtils]: 118: Hoare triple {17261#(= 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)); {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:29:40,065 INFO L290 TraceCheckUtils]: 119: Hoare triple {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17293#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:40,066 INFO L290 TraceCheckUtils]: 120: Hoare triple {17293#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16927#false} is VALID [2022-04-08 12:29:40,066 INFO L290 TraceCheckUtils]: 121: Hoare triple {16927#false} assume !false; {16927#false} is VALID [2022-04-08 12:29:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-08 12:29:40,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:29:51,791 INFO L290 TraceCheckUtils]: 121: Hoare triple {16927#false} assume !false; {16927#false} is VALID [2022-04-08 12:29:51,792 INFO L290 TraceCheckUtils]: 120: Hoare triple {17293#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16927#false} is VALID [2022-04-08 12:29:51,792 INFO L290 TraceCheckUtils]: 119: Hoare triple {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17293#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:51,793 INFO L272 TraceCheckUtils]: 118: Hoare triple {17261#(= 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)); {17289#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:29:51,793 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16926#true} {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:51,793 INFO L290 TraceCheckUtils]: 116: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,793 INFO L290 TraceCheckUtils]: 115: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,793 INFO L290 TraceCheckUtils]: 114: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,793 INFO L272 TraceCheckUtils]: 113: Hoare triple {17261#(= 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)); {16926#true} is VALID [2022-04-08 12:29:51,794 INFO L290 TraceCheckUtils]: 112: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:51,794 INFO L290 TraceCheckUtils]: 111: Hoare triple {17261#(= 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; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:51,794 INFO L290 TraceCheckUtils]: 110: Hoare triple {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:51,795 INFO L290 TraceCheckUtils]: 109: Hoare triple {17239#(= 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; {17261#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 12:29:51,795 INFO L290 TraceCheckUtils]: 108: Hoare triple {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:51,796 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16926#true} {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:51,796 INFO L290 TraceCheckUtils]: 106: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,796 INFO L290 TraceCheckUtils]: 105: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,796 INFO L290 TraceCheckUtils]: 104: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,796 INFO L272 TraceCheckUtils]: 103: Hoare triple {17239#(= 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)); {16926#true} is VALID [2022-04-08 12:29:51,796 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} {16926#true} #95#return; {17239#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:51,797 INFO L290 TraceCheckUtils]: 101: Hoare triple {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:51,797 INFO L290 TraceCheckUtils]: 100: Hoare triple {17366#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {17232#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:29:51,797 INFO L290 TraceCheckUtils]: 99: Hoare triple {16926#true} ~cond := #in~cond; {17366#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:29:51,797 INFO L272 TraceCheckUtils]: 98: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,797 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:51,797 INFO L290 TraceCheckUtils]: 96: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 95: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 94: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L272 TraceCheckUtils]: 93: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 91: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 90: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 89: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L272 TraceCheckUtils]: 88: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 87: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 86: Hoare triple {16926#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 84: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 83: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 82: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L272 TraceCheckUtils]: 81: Hoare triple {16926#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)); {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 79: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,798 INFO L290 TraceCheckUtils]: 78: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 77: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L272 TraceCheckUtils]: 76: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 74: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 73: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 72: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L272 TraceCheckUtils]: 71: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 69: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 68: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 67: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L272 TraceCheckUtils]: 66: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 65: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 64: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 63: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 62: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:51,799 INFO L290 TraceCheckUtils]: 61: Hoare triple {16926#true} assume !(~c~0 >= ~b~0); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16926#true} {16926#true} #97#return; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 59: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 58: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 57: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L272 TraceCheckUtils]: 56: Hoare triple {16926#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)); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16926#true} {16926#true} #95#return; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 54: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 53: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 52: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L272 TraceCheckUtils]: 51: Hoare triple {16926#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16926#true} {16926#true} #93#return; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 49: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 48: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 47: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L272 TraceCheckUtils]: 46: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16926#true} {16926#true} #91#return; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 44: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,800 INFO L290 TraceCheckUtils]: 43: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 42: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L272 TraceCheckUtils]: 41: Hoare triple {16926#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 40: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 39: Hoare triple {16926#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 38: Hoare triple {16926#true} assume !false; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16926#true} {16926#true} #89#return; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 36: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 35: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 34: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L272 TraceCheckUtils]: 33: Hoare triple {16926#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16926#true} {16926#true} #87#return; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 31: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 30: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 29: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L272 TraceCheckUtils]: 28: Hoare triple {16926#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 27: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16926#true} {16926#true} #85#return; {16926#true} is VALID [2022-04-08 12:29:51,801 INFO L290 TraceCheckUtils]: 25: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 24: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 23: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L272 TraceCheckUtils]: 22: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16926#true} {16926#true} #83#return; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 20: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 19: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 18: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L272 TraceCheckUtils]: 17: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16926#true} {16926#true} #81#return; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 15: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 14: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 13: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L272 TraceCheckUtils]: 12: Hoare triple {16926#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 11: Hoare triple {16926#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16926#true} {16926#true} #79#return; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 9: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 8: Hoare triple {16926#true} assume !(0 == ~cond); {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L290 TraceCheckUtils]: 7: Hoare triple {16926#true} ~cond := #in~cond; {16926#true} is VALID [2022-04-08 12:29:51,802 INFO L272 TraceCheckUtils]: 6: Hoare triple {16926#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L290 TraceCheckUtils]: 5: Hoare triple {16926#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; {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L272 TraceCheckUtils]: 4: Hoare triple {16926#true} call #t~ret6 := main(); {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16926#true} {16926#true} #103#return; {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L290 TraceCheckUtils]: 2: Hoare triple {16926#true} assume true; {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L290 TraceCheckUtils]: 1: Hoare triple {16926#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); {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L272 TraceCheckUtils]: 0: Hoare triple {16926#true} call ULTIMATE.init(); {16926#true} is VALID [2022-04-08 12:29:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-08 12:29:51,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:29:51,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077234476] [2022-04-08 12:29:51,803 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:29:51,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931433762] [2022-04-08 12:29:51,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931433762] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:29:51,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:29:51,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-08 12:29:51,804 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:29:51,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1296621539] [2022-04-08 12:29:51,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1296621539] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:29:51,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:29:51,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 12:29:51,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57352449] [2022-04-08 12:29:51,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:29:51,804 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 [2022-04-08 12:29:51,805 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:29:51,805 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) [2022-04-08 12:29:51,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:51,854 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 12:29:51,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:51,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 12:29:51,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-08 12:29:51,855 INFO L87 Difference]: Start difference. First operand 221 states and 303 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) [2022-04-08 12:29:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:52,881 INFO L93 Difference]: Finished difference Result 235 states and 314 transitions. [2022-04-08 12:29:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 12:29:52,881 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 [2022-04-08 12:29:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:29:52,882 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) [2022-04-08 12:29:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-08 12:29:52,883 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) [2022-04-08 12:29:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-08 12:29:52,883 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-08 12:29:52,941 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:52,944 INFO L225 Difference]: With dead ends: 235 [2022-04-08 12:29:52,944 INFO L226 Difference]: Without dead ends: 232 [2022-04-08 12:29:52,945 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-04-08 12:29:52,945 INFO L913 BasicCegarLoop]: 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 [2022-04-08 12:29:52,946 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 12:29:52,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-04-08 12:29:53,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 231. [2022-04-08 12:29:53,461 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:29:53,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:29:53,462 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:29:53,462 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:29:53,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:53,467 INFO L93 Difference]: Finished difference Result 232 states and 310 transitions. [2022-04-08 12:29:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2022-04-08 12:29:53,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:53,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:53,468 INFO L74 IsIncluded]: Start isIncluded. First operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 232 states. [2022-04-08 12:29:53,468 INFO L87 Difference]: Start difference. First operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 232 states. [2022-04-08 12:29:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:29:53,473 INFO L93 Difference]: Finished difference Result 232 states and 310 transitions. [2022-04-08 12:29:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 310 transitions. [2022-04-08 12:29:53,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:29:53,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:29:53,474 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:29:53,474 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:29:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 125 states have internal predecessors, (141), 85 states have call successors, (85), 22 states have call predecessors, (85), 21 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:29:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2022-04-08 12:29:53,479 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 309 transitions. Word has length 122 [2022-04-08 12:29:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:29:53,479 INFO L478 AbstractCegarLoop]: Abstraction has 231 states and 309 transitions. [2022-04-08 12:29:53,479 INFO L479 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) [2022-04-08 12:29:53,479 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 231 states and 309 transitions. [2022-04-08 12:29:54,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 309 edges. 309 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2022-04-08 12:29:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-08 12:29:54,111 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:29:54,111 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:29:54,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-08 12:29:54,330 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-08 12:29:54,332 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:29:54,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:29:54,332 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-08 12:29:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:54,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1262755603] [2022-04-08 12:29:54,333 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:29:54,333 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-08 12:29:54,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:29:54,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351427761] [2022-04-08 12:29:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:29:54,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:29:54,350 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:29:54,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622118736] [2022-04-08 12:29:54,351 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 12:29:54,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:29:54,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:29:54,352 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) [2022-04-08 12:29:54,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-08 12:29:54,425 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 12:29:54,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:29:54,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 51 conjunts are in the unsatisfiable core [2022-04-08 12:29:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:29:54,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:29:55,564 INFO L272 TraceCheckUtils]: 0: Hoare triple {19068#true} call ULTIMATE.init(); {19068#true} is VALID [2022-04-08 12:29:55,564 INFO L290 TraceCheckUtils]: 1: Hoare triple {19068#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); {19068#true} is VALID [2022-04-08 12:29:55,564 INFO L290 TraceCheckUtils]: 2: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19068#true} {19068#true} #103#return; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L272 TraceCheckUtils]: 4: Hoare triple {19068#true} call #t~ret6 := main(); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 5: Hoare triple {19068#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; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L272 TraceCheckUtils]: 6: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 7: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 8: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 9: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {19068#true} {19068#true} #79#return; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 11: Hoare triple {19068#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L272 TraceCheckUtils]: 12: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 13: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 14: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 15: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {19068#true} {19068#true} #81#return; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L272 TraceCheckUtils]: 17: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 18: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 19: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,565 INFO L290 TraceCheckUtils]: 20: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {19068#true} {19068#true} #83#return; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L272 TraceCheckUtils]: 22: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 23: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 24: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 25: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {19068#true} {19068#true} #85#return; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 27: Hoare triple {19068#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; {19154#(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 [2022-04-08 12:29:55,566 INFO L272 TraceCheckUtils]: 28: Hoare triple {19154#(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)); {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 29: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,566 INFO L290 TraceCheckUtils]: 30: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,567 INFO L290 TraceCheckUtils]: 31: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,567 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {19068#true} {19154#(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; {19154#(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 [2022-04-08 12:29:55,567 INFO L272 TraceCheckUtils]: 33: Hoare triple {19154#(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)); {19068#true} is VALID [2022-04-08 12:29:55,567 INFO L290 TraceCheckUtils]: 34: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,567 INFO L290 TraceCheckUtils]: 35: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,567 INFO L290 TraceCheckUtils]: 36: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,568 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {19068#true} {19154#(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; {19154#(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 [2022-04-08 12:29:55,568 INFO L290 TraceCheckUtils]: 38: Hoare triple {19154#(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; {19154#(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 [2022-04-08 12:29:55,569 INFO L290 TraceCheckUtils]: 39: Hoare triple {19154#(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; {19191#(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 [2022-04-08 12:29:55,569 INFO L290 TraceCheckUtils]: 40: Hoare triple {19191#(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; {19191#(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 [2022-04-08 12:29:55,569 INFO L272 TraceCheckUtils]: 41: Hoare triple {19191#(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)); {19068#true} is VALID [2022-04-08 12:29:55,569 INFO L290 TraceCheckUtils]: 42: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,569 INFO L290 TraceCheckUtils]: 43: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,569 INFO L290 TraceCheckUtils]: 44: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,570 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {19068#true} {19191#(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; {19191#(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 [2022-04-08 12:29:55,570 INFO L272 TraceCheckUtils]: 46: Hoare triple {19191#(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)); {19068#true} is VALID [2022-04-08 12:29:55,570 INFO L290 TraceCheckUtils]: 47: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,570 INFO L290 TraceCheckUtils]: 48: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,570 INFO L290 TraceCheckUtils]: 49: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,571 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {19068#true} {19191#(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; {19191#(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 [2022-04-08 12:29:55,571 INFO L272 TraceCheckUtils]: 51: Hoare triple {19191#(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)); {19068#true} is VALID [2022-04-08 12:29:55,571 INFO L290 TraceCheckUtils]: 52: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,571 INFO L290 TraceCheckUtils]: 53: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,571 INFO L290 TraceCheckUtils]: 54: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,572 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {19068#true} {19191#(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; {19191#(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 [2022-04-08 12:29:55,572 INFO L272 TraceCheckUtils]: 56: Hoare triple {19191#(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)); {19068#true} is VALID [2022-04-08 12:29:55,572 INFO L290 TraceCheckUtils]: 57: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,572 INFO L290 TraceCheckUtils]: 58: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,572 INFO L290 TraceCheckUtils]: 59: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,573 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {19068#true} {19191#(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; {19191#(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 [2022-04-08 12:29:55,573 INFO L290 TraceCheckUtils]: 61: Hoare triple {19191#(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); {19258#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:29:55,573 INFO L290 TraceCheckUtils]: 62: Hoare triple {19258#(and (= main_~r~0 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_~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; {19262#(and (= main_~s~0 0) (= main_~p~0 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))} is VALID [2022-04-08 12:29:55,574 INFO L290 TraceCheckUtils]: 63: Hoare triple {19262#(and (= main_~s~0 0) (= main_~p~0 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))} assume !false; {19262#(and (= main_~s~0 0) (= main_~p~0 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))} is VALID [2022-04-08 12:29:55,574 INFO L290 TraceCheckUtils]: 64: Hoare triple {19262#(and (= main_~s~0 0) (= main_~p~0 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))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,575 INFO L290 TraceCheckUtils]: 65: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} assume !false; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,575 INFO L272 TraceCheckUtils]: 66: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,575 INFO L290 TraceCheckUtils]: 67: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,575 INFO L290 TraceCheckUtils]: 68: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,575 INFO L290 TraceCheckUtils]: 69: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,575 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #91#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,576 INFO L272 TraceCheckUtils]: 71: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,576 INFO L290 TraceCheckUtils]: 72: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,576 INFO L290 TraceCheckUtils]: 73: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,576 INFO L290 TraceCheckUtils]: 74: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,576 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #93#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,576 INFO L272 TraceCheckUtils]: 76: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,576 INFO L290 TraceCheckUtils]: 77: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L290 TraceCheckUtils]: 78: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L290 TraceCheckUtils]: 79: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #95#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,577 INFO L272 TraceCheckUtils]: 81: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= 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)); {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L290 TraceCheckUtils]: 82: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L290 TraceCheckUtils]: 83: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,577 INFO L290 TraceCheckUtils]: 84: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,578 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {19068#true} {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} #97#return; {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} is VALID [2022-04-08 12:29:55,579 INFO L290 TraceCheckUtils]: 86: Hoare triple {19269#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (not (<= main_~c~0 main_~x~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,579 INFO L290 TraceCheckUtils]: 87: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,579 INFO L272 TraceCheckUtils]: 88: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 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)); {19068#true} is VALID [2022-04-08 12:29:55,579 INFO L290 TraceCheckUtils]: 89: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,579 INFO L290 TraceCheckUtils]: 90: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,579 INFO L290 TraceCheckUtils]: 91: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,580 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,580 INFO L272 TraceCheckUtils]: 93: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 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)); {19068#true} is VALID [2022-04-08 12:29:55,580 INFO L290 TraceCheckUtils]: 94: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,580 INFO L290 TraceCheckUtils]: 95: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,580 INFO L290 TraceCheckUtils]: 96: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,581 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,581 INFO L272 TraceCheckUtils]: 98: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 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)); {19068#true} is VALID [2022-04-08 12:29:55,581 INFO L290 TraceCheckUtils]: 99: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,581 INFO L290 TraceCheckUtils]: 100: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,581 INFO L290 TraceCheckUtils]: 101: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,581 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #95#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,582 INFO L272 TraceCheckUtils]: 103: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~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)); {19068#true} is VALID [2022-04-08 12:29:55,582 INFO L290 TraceCheckUtils]: 104: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,582 INFO L290 TraceCheckUtils]: 105: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,582 INFO L290 TraceCheckUtils]: 106: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,582 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {19068#true} {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #97#return; {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,584 INFO L290 TraceCheckUtils]: 108: Hoare triple {19336#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !(~c~0 >= ~b~0); {19403#(and (= main_~x~0 (+ (* (- 1) main_~c~0) main_~y~0)) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (not (<= main_~y~0 (* main_~c~0 2))) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~q~0 1))} is VALID [2022-04-08 12:29:55,585 INFO L290 TraceCheckUtils]: 109: Hoare triple {19403#(and (= main_~x~0 (+ (* (- 1) main_~c~0) main_~y~0)) (= main_~s~0 0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (not (<= main_~y~0 (* main_~c~0 2))) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~q~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; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,585 INFO L290 TraceCheckUtils]: 110: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !false; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,586 INFO L290 TraceCheckUtils]: 111: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,586 INFO L290 TraceCheckUtils]: 112: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} assume !false; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,586 INFO L272 TraceCheckUtils]: 113: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,586 INFO L290 TraceCheckUtils]: 114: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,586 INFO L290 TraceCheckUtils]: 115: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,586 INFO L290 TraceCheckUtils]: 116: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,587 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {19068#true} {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} #91#return; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,587 INFO L272 TraceCheckUtils]: 118: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:55,587 INFO L290 TraceCheckUtils]: 119: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:55,587 INFO L290 TraceCheckUtils]: 120: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:55,587 INFO L290 TraceCheckUtils]: 121: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:55,588 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {19068#true} {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} #93#return; {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} is VALID [2022-04-08 12:29:55,588 INFO L272 TraceCheckUtils]: 123: Hoare triple {19407#(and (not (<= main_~y~0 main_~x~0)) (= main_~s~0 1) (not (<= (* main_~x~0 2) main_~y~0)) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:29:55,588 INFO L290 TraceCheckUtils]: 124: Hoare triple {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {19454#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:55,589 INFO L290 TraceCheckUtils]: 125: Hoare triple {19454#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {19069#false} is VALID [2022-04-08 12:29:55,589 INFO L290 TraceCheckUtils]: 126: Hoare triple {19069#false} assume !false; {19069#false} is VALID [2022-04-08 12:29:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 28 proven. 37 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-04-08 12:29:55,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:29:57,018 INFO L290 TraceCheckUtils]: 126: Hoare triple {19069#false} assume !false; {19069#false} is VALID [2022-04-08 12:29:57,019 INFO L290 TraceCheckUtils]: 125: Hoare triple {19454#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {19069#false} is VALID [2022-04-08 12:29:57,019 INFO L290 TraceCheckUtils]: 124: Hoare triple {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {19454#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:29:57,020 INFO L272 TraceCheckUtils]: 123: Hoare triple {19470#(= 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)); {19450#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:29:57,020 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {19068#true} {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #93#return; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:57,020 INFO L290 TraceCheckUtils]: 121: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:57,020 INFO L290 TraceCheckUtils]: 120: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L290 TraceCheckUtils]: 119: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L272 TraceCheckUtils]: 118: Hoare triple {19470#(= 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)); {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {19068#true} {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #91#return; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:57,021 INFO L290 TraceCheckUtils]: 116: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L290 TraceCheckUtils]: 115: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L290 TraceCheckUtils]: 114: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:57,021 INFO L272 TraceCheckUtils]: 113: Hoare triple {19470#(= 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)); {19068#true} is VALID [2022-04-08 12:29:57,022 INFO L290 TraceCheckUtils]: 112: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:57,022 INFO L290 TraceCheckUtils]: 111: Hoare triple {19470#(= 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; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:57,022 INFO L290 TraceCheckUtils]: 110: Hoare triple {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 12:29:59,024 WARN L290 TraceCheckUtils]: 109: Hoare triple {19513#(= (+ (* (+ (* (* 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; {19470#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is UNKNOWN [2022-04-08 12:29:59,024 INFO L290 TraceCheckUtils]: 108: Hoare triple {19517#(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))} assume !(~c~0 >= ~b~0); {19513#(= (+ (* (+ (* (* 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 [2022-04-08 12:29:59,025 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {19068#true} {19517#(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))} #97#return; {19517#(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))} is VALID [2022-04-08 12:29:59,025 INFO L290 TraceCheckUtils]: 106: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,025 INFO L290 TraceCheckUtils]: 105: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,025 INFO L290 TraceCheckUtils]: 104: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,025 INFO L272 TraceCheckUtils]: 103: Hoare triple {19517#(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))} 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)); {19068#true} is VALID [2022-04-08 12:29:59,026 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {19068#true} {19517#(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))} #95#return; {19517#(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))} is VALID [2022-04-08 12:29:59,026 INFO L290 TraceCheckUtils]: 101: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,026 INFO L290 TraceCheckUtils]: 100: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,026 INFO L290 TraceCheckUtils]: 99: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,026 INFO L272 TraceCheckUtils]: 98: Hoare triple {19517#(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))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,027 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {19068#true} {19517#(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))} #93#return; {19517#(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))} is VALID [2022-04-08 12:29:59,027 INFO L290 TraceCheckUtils]: 96: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,027 INFO L290 TraceCheckUtils]: 95: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,027 INFO L290 TraceCheckUtils]: 94: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,027 INFO L272 TraceCheckUtils]: 93: Hoare triple {19517#(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))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,028 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {19068#true} {19517#(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))} #91#return; {19517#(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))} is VALID [2022-04-08 12:29:59,028 INFO L290 TraceCheckUtils]: 91: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,028 INFO L290 TraceCheckUtils]: 90: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,028 INFO L290 TraceCheckUtils]: 89: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,028 INFO L272 TraceCheckUtils]: 88: Hoare triple {19517#(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))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,028 INFO L290 TraceCheckUtils]: 87: Hoare triple {19517#(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))} assume !false; {19517#(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))} is VALID [2022-04-08 12:29:59,266 INFO L290 TraceCheckUtils]: 86: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {19517#(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))} is VALID [2022-04-08 12:29:59,267 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {19068#true} {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} #97#return; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 84: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 83: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 82: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L272 TraceCheckUtils]: 81: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) 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)); {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {19068#true} {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} #95#return; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 79: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 78: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,268 INFO L290 TraceCheckUtils]: 77: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,269 INFO L272 TraceCheckUtils]: 76: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,269 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {19068#true} {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} #93#return; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,269 INFO L290 TraceCheckUtils]: 74: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,269 INFO L290 TraceCheckUtils]: 73: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,269 INFO L290 TraceCheckUtils]: 72: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,269 INFO L272 TraceCheckUtils]: 71: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,270 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {19068#true} {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} #91#return; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,270 INFO L290 TraceCheckUtils]: 69: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,270 INFO L290 TraceCheckUtils]: 68: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,270 INFO L290 TraceCheckUtils]: 67: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,270 INFO L272 TraceCheckUtils]: 66: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,271 INFO L290 TraceCheckUtils]: 65: Hoare triple {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} assume !false; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,271 INFO L290 TraceCheckUtils]: 64: Hoare triple {19651#(or (= (+ 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; {19584#(or (<= (* 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_~c~0 (* (- 1) main_~b~0))))} is VALID [2022-04-08 12:29:59,272 INFO L290 TraceCheckUtils]: 63: Hoare triple {19651#(or (= (+ 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; {19651#(or (= (+ 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 [2022-04-08 12:29:59,323 INFO L290 TraceCheckUtils]: 62: Hoare triple {19658#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~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; {19651#(or (= (+ 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 [2022-04-08 12:29:59,324 INFO L290 TraceCheckUtils]: 61: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} assume !(~c~0 >= ~b~0); {19658#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)))} is VALID [2022-04-08 12:29:59,324 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #97#return; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,325 INFO L290 TraceCheckUtils]: 59: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,325 INFO L290 TraceCheckUtils]: 58: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,325 INFO L290 TraceCheckUtils]: 57: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,325 INFO L272 TraceCheckUtils]: 56: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~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)); {19068#true} is VALID [2022-04-08 12:29:59,325 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #95#return; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,325 INFO L290 TraceCheckUtils]: 54: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,325 INFO L290 TraceCheckUtils]: 53: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,326 INFO L290 TraceCheckUtils]: 52: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,326 INFO L272 TraceCheckUtils]: 51: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~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)); {19068#true} is VALID [2022-04-08 12:29:59,328 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #93#return; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,328 INFO L290 TraceCheckUtils]: 49: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,328 INFO L290 TraceCheckUtils]: 48: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,328 INFO L290 TraceCheckUtils]: 47: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,328 INFO L272 TraceCheckUtils]: 46: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~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)); {19068#true} is VALID [2022-04-08 12:29:59,329 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {19068#true} {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} #91#return; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,329 INFO L290 TraceCheckUtils]: 44: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,329 INFO L290 TraceCheckUtils]: 43: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,329 INFO L290 TraceCheckUtils]: 42: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,329 INFO L272 TraceCheckUtils]: 41: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,329 INFO L290 TraceCheckUtils]: 40: Hoare triple {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} assume !false; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,330 INFO L290 TraceCheckUtils]: 39: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {19662#(or (<= (* main_~c~0 2) main_~b~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)) (+ (* (- 1) main_~c~0) main_~b~0)) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 12:29:59,330 INFO L290 TraceCheckUtils]: 38: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} assume !false; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-08 12:29:59,331 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {19068#true} {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} #89#return; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-08 12:29:59,331 INFO L290 TraceCheckUtils]: 36: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,331 INFO L290 TraceCheckUtils]: 35: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,331 INFO L290 TraceCheckUtils]: 34: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,331 INFO L272 TraceCheckUtils]: 33: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,332 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {19068#true} {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} #87#return; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-08 12:29:59,332 INFO L290 TraceCheckUtils]: 31: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,332 INFO L290 TraceCheckUtils]: 30: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,332 INFO L290 TraceCheckUtils]: 29: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,332 INFO L272 TraceCheckUtils]: 28: Hoare triple {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 27: Hoare triple {19068#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; {19729#(or (<= main_~b~0 main_~a~0) (<= (* main_~a~0 2) main_~b~0) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) (+ (* (- 1) main_~a~0) main_~b~0)))} is VALID [2022-04-08 12:29:59,333 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {19068#true} {19068#true} #85#return; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 25: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 24: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 23: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L272 TraceCheckUtils]: 22: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {19068#true} {19068#true} #83#return; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 20: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 19: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 18: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L272 TraceCheckUtils]: 17: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {19068#true} {19068#true} #81#return; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 15: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 14: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L290 TraceCheckUtils]: 13: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,333 INFO L272 TraceCheckUtils]: 12: Hoare triple {19068#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 11: Hoare triple {19068#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {19068#true} {19068#true} #79#return; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 9: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 8: Hoare triple {19068#true} assume !(0 == ~cond); {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 7: Hoare triple {19068#true} ~cond := #in~cond; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L272 TraceCheckUtils]: 6: Hoare triple {19068#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 5: Hoare triple {19068#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; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L272 TraceCheckUtils]: 4: Hoare triple {19068#true} call #t~ret6 := main(); {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19068#true} {19068#true} #103#return; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {19068#true} assume true; {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L290 TraceCheckUtils]: 1: Hoare triple {19068#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); {19068#true} is VALID [2022-04-08 12:29:59,334 INFO L272 TraceCheckUtils]: 0: Hoare triple {19068#true} call ULTIMATE.init(); {19068#true} is VALID [2022-04-08 12:29:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2022-04-08 12:29:59,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:29:59,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351427761] [2022-04-08 12:29:59,335 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:29:59,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622118736] [2022-04-08 12:29:59,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622118736] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:29:59,335 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:29:59,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2022-04-08 12:29:59,335 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:29:59,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1262755603] [2022-04-08 12:29:59,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1262755603] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:29:59,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:29:59,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-08 12:29:59,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083906179] [2022-04-08 12:29:59,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:29:59,336 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 127 [2022-04-08 12:29:59,336 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:29:59,336 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-08 12:29:59,412 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:29:59,412 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-08 12:29:59,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:29:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-08 12:29:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2022-04-08 12:29:59,413 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-08 12:30:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:30:03,201 INFO L93 Difference]: Finished difference Result 269 states and 358 transitions. [2022-04-08 12:30:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 12:30:03,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 127 [2022-04-08 12:30:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:30:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-08 12:30:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 125 transitions. [2022-04-08 12:30:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-08 12:30:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 125 transitions. [2022-04-08 12:30:03,204 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 125 transitions. [2022-04-08 12:30:03,359 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:30:03,364 INFO L225 Difference]: With dead ends: 269 [2022-04-08 12:30:03,364 INFO L226 Difference]: Without dead ends: 267 [2022-04-08 12:30:03,364 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2022-04-08 12:30:03,365 INFO L913 BasicCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-08 12:30:03,365 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 378 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-08 12:30:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-04-08 12:30:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 264. [2022-04-08 12:30:04,041 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:30:04,043 INFO L82 GeneralOperation]: Start isEquivalent. First operand 267 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) [2022-04-08 12:30:04,044 INFO L74 IsIncluded]: Start isIncluded. First operand 267 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) [2022-04-08 12:30:04,057 INFO L87 Difference]: Start difference. First operand 267 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) [2022-04-08 12:30:04,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:30:04,063 INFO L93 Difference]: Finished difference Result 267 states and 356 transitions. [2022-04-08 12:30:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2022-04-08 12:30:04,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:30:04,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:30:04,064 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 267 states. [2022-04-08 12:30:04,065 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 267 states. [2022-04-08 12:30:04,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:30:04,070 INFO L93 Difference]: Finished difference Result 267 states and 356 transitions. [2022-04-08 12:30:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2022-04-08 12:30:04,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:30:04,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:30:04,070 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:30:04,070 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:30:04,071 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) [2022-04-08 12:30:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-08 12:30:04,077 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 127 [2022-04-08 12:30:04,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:30:04,077 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-08 12:30:04,077 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 6 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-04-08 12:30:04,077 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-08 12:30:04,803 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:30:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-08 12:30:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-08 12:30:04,804 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:30:04,804 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:30:04,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-08 12:30:05,004 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-04-08 12:30:05,005 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:30:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:30:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-08 12:30:05,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:30:05,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1314505157] [2022-04-08 12:30:05,005 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:30:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-08 12:30:05,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:30:05,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968859290] [2022-04-08 12:30:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:30:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:30:05,018 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:30:05,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346575839] [2022-04-08 12:30:05,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:30:05,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:30:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:30:05,020 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) [2022-04-08 12:30:05,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-08 12:30:05,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:30:05,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:30:05,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 72 conjunts are in the unsatisfiable core [2022-04-08 12:30:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:30:05,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:30:17,361 INFO L272 TraceCheckUtils]: 0: Hoare triple {21461#true} call ULTIMATE.init(); {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L290 TraceCheckUtils]: 1: Hoare triple {21461#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); {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L290 TraceCheckUtils]: 2: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21461#true} {21461#true} #103#return; {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L272 TraceCheckUtils]: 4: Hoare triple {21461#true} call #t~ret6 := main(); {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L290 TraceCheckUtils]: 5: Hoare triple {21461#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; {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L272 TraceCheckUtils]: 6: Hoare triple {21461#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {21461#true} is VALID [2022-04-08 12:30:17,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 8: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 9: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {21461#true} {21461#true} #79#return; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 11: Hoare triple {21461#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L272 TraceCheckUtils]: 12: Hoare triple {21461#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 13: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 14: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 15: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {21461#true} {21461#true} #81#return; {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L272 TraceCheckUtils]: 17: Hoare triple {21461#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {21461#true} is VALID [2022-04-08 12:30:17,362 INFO L290 TraceCheckUtils]: 18: Hoare triple {21461#true} ~cond := #in~cond; {21520#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:30:17,363 INFO L290 TraceCheckUtils]: 19: Hoare triple {21520#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {21524#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:30:17,363 INFO L290 TraceCheckUtils]: 20: Hoare triple {21524#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {21524#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:30:17,363 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {21524#(not (= |assume_abort_if_not_#in~cond| 0))} {21461#true} #83#return; {21531#(<= 1 main_~x~0)} is VALID [2022-04-08 12:30:17,363 INFO L272 TraceCheckUtils]: 22: Hoare triple {21531#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {21461#true} is VALID [2022-04-08 12:30:17,363 INFO L290 TraceCheckUtils]: 23: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,364 INFO L290 TraceCheckUtils]: 24: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,364 INFO L290 TraceCheckUtils]: 25: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,364 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {21461#true} {21531#(<= 1 main_~x~0)} #85#return; {21531#(<= 1 main_~x~0)} is VALID [2022-04-08 12:30:17,364 INFO L290 TraceCheckUtils]: 27: Hoare triple {21531#(<= 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; {21550#(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 [2022-04-08 12:30:17,364 INFO L272 TraceCheckUtils]: 28: Hoare triple {21550#(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)); {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L290 TraceCheckUtils]: 29: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L290 TraceCheckUtils]: 30: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L290 TraceCheckUtils]: 31: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {21461#true} {21550#(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; {21550#(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 [2022-04-08 12:30:17,365 INFO L272 TraceCheckUtils]: 33: Hoare triple {21550#(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)); {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L290 TraceCheckUtils]: 34: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,365 INFO L290 TraceCheckUtils]: 35: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,366 INFO L290 TraceCheckUtils]: 36: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,366 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {21461#true} {21550#(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; {21550#(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 [2022-04-08 12:30:17,367 INFO L290 TraceCheckUtils]: 38: Hoare triple {21550#(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; {21550#(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 [2022-04-08 12:30:17,367 INFO L290 TraceCheckUtils]: 39: Hoare triple {21550#(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; {21587#(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 [2022-04-08 12:30:17,367 INFO L290 TraceCheckUtils]: 40: Hoare triple {21587#(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; {21587#(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 [2022-04-08 12:30:17,368 INFO L272 TraceCheckUtils]: 41: Hoare triple {21587#(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)); {21461#true} is VALID [2022-04-08 12:30:17,368 INFO L290 TraceCheckUtils]: 42: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,368 INFO L290 TraceCheckUtils]: 43: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,368 INFO L290 TraceCheckUtils]: 44: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,368 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {21461#true} {21587#(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; {21587#(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 [2022-04-08 12:30:17,368 INFO L272 TraceCheckUtils]: 46: Hoare triple {21587#(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)); {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L290 TraceCheckUtils]: 47: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L290 TraceCheckUtils]: 48: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L290 TraceCheckUtils]: 49: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {21461#true} {21587#(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; {21587#(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 [2022-04-08 12:30:17,369 INFO L272 TraceCheckUtils]: 51: Hoare triple {21587#(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)); {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L290 TraceCheckUtils]: 52: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,369 INFO L290 TraceCheckUtils]: 53: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,370 INFO L290 TraceCheckUtils]: 54: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,370 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {21461#true} {21587#(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; {21587#(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 [2022-04-08 12:30:17,370 INFO L272 TraceCheckUtils]: 56: Hoare triple {21587#(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)); {21461#true} is VALID [2022-04-08 12:30:17,370 INFO L290 TraceCheckUtils]: 57: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,370 INFO L290 TraceCheckUtils]: 58: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,370 INFO L290 TraceCheckUtils]: 59: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,371 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {21461#true} {21587#(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; {21587#(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 [2022-04-08 12:30:17,373 INFO L290 TraceCheckUtils]: 61: Hoare triple {21587#(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; {21654#(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 [2022-04-08 12:30:17,373 INFO L290 TraceCheckUtils]: 62: Hoare triple {21654#(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; {21654#(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 [2022-04-08 12:30:17,373 INFO L272 TraceCheckUtils]: 63: Hoare triple {21654#(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)); {21461#true} is VALID [2022-04-08 12:30:17,374 INFO L290 TraceCheckUtils]: 64: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,374 INFO L290 TraceCheckUtils]: 65: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,374 INFO L290 TraceCheckUtils]: 66: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,375 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21654#(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; {21654#(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 [2022-04-08 12:30:17,375 INFO L272 TraceCheckUtils]: 68: Hoare triple {21654#(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)); {21461#true} is VALID [2022-04-08 12:30:17,375 INFO L290 TraceCheckUtils]: 69: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,375 INFO L290 TraceCheckUtils]: 70: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,375 INFO L290 TraceCheckUtils]: 71: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,376 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {21461#true} {21654#(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; {21654#(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 [2022-04-08 12:30:17,376 INFO L272 TraceCheckUtils]: 73: Hoare triple {21654#(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)); {21461#true} is VALID [2022-04-08 12:30:17,376 INFO L290 TraceCheckUtils]: 74: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,376 INFO L290 TraceCheckUtils]: 75: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,376 INFO L290 TraceCheckUtils]: 76: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,377 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {21461#true} {21654#(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; {21654#(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 [2022-04-08 12:30:17,377 INFO L272 TraceCheckUtils]: 78: Hoare triple {21654#(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)); {21461#true} is VALID [2022-04-08 12:30:17,377 INFO L290 TraceCheckUtils]: 79: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,377 INFO L290 TraceCheckUtils]: 80: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,377 INFO L290 TraceCheckUtils]: 81: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,378 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {21461#true} {21654#(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; {21654#(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 [2022-04-08 12:30:17,379 INFO L290 TraceCheckUtils]: 83: Hoare triple {21654#(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; {21723#(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 [2022-04-08 12:30:17,380 INFO L290 TraceCheckUtils]: 84: Hoare triple {21723#(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; {21723#(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 [2022-04-08 12:30:17,380 INFO L272 TraceCheckUtils]: 85: Hoare triple {21723#(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)); {21461#true} is VALID [2022-04-08 12:30:17,380 INFO L290 TraceCheckUtils]: 86: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,380 INFO L290 TraceCheckUtils]: 87: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,380 INFO L290 TraceCheckUtils]: 88: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,380 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {21461#true} {21723#(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; {21723#(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 [2022-04-08 12:30:17,381 INFO L272 TraceCheckUtils]: 90: Hoare triple {21723#(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 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {21461#true} is VALID [2022-04-08 12:30:17,381 INFO L290 TraceCheckUtils]: 91: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,381 INFO L290 TraceCheckUtils]: 92: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,381 INFO L290 TraceCheckUtils]: 93: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,383 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21723#(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))} #93#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:30:17,383 INFO L272 TraceCheckUtils]: 95: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~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)); {21461#true} is VALID [2022-04-08 12:30:17,383 INFO L290 TraceCheckUtils]: 96: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,383 INFO L290 TraceCheckUtils]: 97: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,384 INFO L290 TraceCheckUtils]: 98: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,384 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #95#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:30:17,384 INFO L272 TraceCheckUtils]: 100: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~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)); {21461#true} is VALID [2022-04-08 12:30:17,385 INFO L290 TraceCheckUtils]: 101: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,385 INFO L290 TraceCheckUtils]: 102: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,385 INFO L290 TraceCheckUtils]: 103: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,386 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #97#return; {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:30:17,386 INFO L290 TraceCheckUtils]: 105: Hoare triple {21757#(and (= main_~r~0 0) (<= 1 main_~x~0) (<= (* main_~b~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 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_~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); {21791#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= (* main_~y~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~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 [2022-04-08 12:30:17,388 INFO L290 TraceCheckUtils]: 106: Hoare triple {21791#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= (* main_~y~0 2) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~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))} ~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; {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,389 INFO L290 TraceCheckUtils]: 107: Hoare triple {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,389 INFO L290 TraceCheckUtils]: 108: Hoare triple {21795#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,390 INFO L290 TraceCheckUtils]: 109: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,390 INFO L272 TraceCheckUtils]: 110: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~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)); {21461#true} is VALID [2022-04-08 12:30:17,390 INFO L290 TraceCheckUtils]: 111: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,390 INFO L290 TraceCheckUtils]: 112: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,390 INFO L290 TraceCheckUtils]: 113: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,391 INFO L284 TraceCheckUtils]: 114: Hoare quadruple {21461#true} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,391 INFO L272 TraceCheckUtils]: 115: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~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)); {21461#true} is VALID [2022-04-08 12:30:17,391 INFO L290 TraceCheckUtils]: 116: Hoare triple {21461#true} ~cond := #in~cond; {21461#true} is VALID [2022-04-08 12:30:17,391 INFO L290 TraceCheckUtils]: 117: Hoare triple {21461#true} assume !(0 == ~cond); {21461#true} is VALID [2022-04-08 12:30:17,391 INFO L290 TraceCheckUtils]: 118: Hoare triple {21461#true} assume true; {21461#true} is VALID [2022-04-08 12:30:17,392 INFO L284 TraceCheckUtils]: 119: Hoare quadruple {21461#true} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,392 INFO L272 TraceCheckUtils]: 120: Hoare triple {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~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)); {21461#true} is VALID [2022-04-08 12:30:17,392 INFO L290 TraceCheckUtils]: 121: Hoare triple {21461#true} ~cond := #in~cond; {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,392 INFO L290 TraceCheckUtils]: 122: Hoare triple {21664#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,392 INFO L290 TraceCheckUtils]: 123: Hoare triple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:30:17,393 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {21668#(not (= |__VERIFIER_assert_#in~cond| 0))} {21802#(and (<= (* main_~y~0 2) main_~x~0) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {21851#(and (<= (* main_~y~0 2) main_~x~0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:30:17,396 INFO L272 TraceCheckUtils]: 125: Hoare triple {21851#(and (<= (* main_~y~0 2) main_~x~0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (< main_~x~0 (* main_~y~0 3)) (not (= main_~b~0 0)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~b~0 (+ main_~x~0 (* (- 2) main_~y~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)); {21855#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:30:17,396 INFO L290 TraceCheckUtils]: 126: Hoare triple {21855#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {21859#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:30:17,396 INFO L290 TraceCheckUtils]: 127: Hoare triple {21859#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {21462#false} is VALID [2022-04-08 12:30:17,397 INFO L290 TraceCheckUtils]: 128: Hoare triple {21462#false} assume !false; {21462#false} is VALID [2022-04-08 12:30:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 145 proven. 85 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-08 12:30:17,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:31:20,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:31:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968859290] [2022-04-08 12:31:20,546 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:31:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346575839] [2022-04-08 12:31:20,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346575839] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 12:31:20,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 12:31:20,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-04-08 12:31:20,546 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:31:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1314505157] [2022-04-08 12:31:20,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1314505157] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:31:20,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:31:20,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-08 12:31:20,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448601084] [2022-04-08 12:31:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:31:20,547 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-08 12:31:20,547 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:31:20,547 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 12:31:20,633 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:31:20,633 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-08 12:31:20,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:31:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-08 12:31:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2022-04-08 12:31:20,634 INFO L87 Difference]: Start difference. First operand 264 states and 353 transitions. Second operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 12:31:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:31:29,484 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2022-04-08 12:31:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-08 12:31:29,484 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-08 12:31:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:31:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 12:31:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 120 transitions. [2022-04-08 12:31:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 12:31:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 120 transitions. [2022-04-08 12:31:29,487 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 120 transitions. [2022-04-08 12:31:29,647 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:31:29,652 INFO L225 Difference]: With dead ends: 272 [2022-04-08 12:31:29,652 INFO L226 Difference]: Without dead ends: 270 [2022-04-08 12:31:29,652 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 128 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=154, Invalid=657, Unknown=1, NotChecked=0, Total=812 [2022-04-08 12:31:29,652 INFO L913 BasicCegarLoop]: 47 mSDtfsCounter, 45 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-04-08 12:31:29,653 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 218 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-04-08 12:31:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-04-08 12:31:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 235. [2022-04-08 12:31:30,213 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:31:30,213 INFO L82 GeneralOperation]: Start isEquivalent. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:31:30,214 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:31:30,214 INFO L87 Difference]: Start difference. First operand 270 states. Second operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:31:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:31:30,219 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions. [2022-04-08 12:31:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2022-04-08 12:31:30,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:31:30,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:31:30,220 INFO L74 IsIncluded]: Start isIncluded. First operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 270 states. [2022-04-08 12:31:30,221 INFO L87 Difference]: Start difference. First operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 270 states. [2022-04-08 12:31:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:31:30,225 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions. [2022-04-08 12:31:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2022-04-08 12:31:30,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:31:30,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:31:30,226 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:31:30,226 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:31:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 127 states have (on average 1.1338582677165354) internal successors, (144), 128 states have internal predecessors, (144), 85 states have call successors, (85), 23 states have call predecessors, (85), 22 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:31:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 312 transitions. [2022-04-08 12:31:30,232 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 312 transitions. Word has length 129 [2022-04-08 12:31:30,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:31:30,232 INFO L478 AbstractCegarLoop]: Abstraction has 235 states and 312 transitions. [2022-04-08 12:31:30,232 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 14 states have internal predecessors, (32), 9 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 12:31:30,232 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 235 states and 312 transitions. [2022-04-08 12:31:30,892 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 312 edges. 312 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:31:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 312 transitions. [2022-04-08 12:31:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-08 12:31:30,894 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:31:30,894 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:31:30,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-08 12:31:31,111 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:31:31,111 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:31:31,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:31:31,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-08 12:31:31,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:31:31,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1380127879] [2022-04-08 12:31:31,112 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:31:31,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-08 12:31:31,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:31:31,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380087345] [2022-04-08 12:31:31,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:31:31,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:31:31,122 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:31:31,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724737430] [2022-04-08 12:31:31,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 12:31:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:31:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:31:31,123 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) [2022-04-08 12:31:31,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-08 12:31:31,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 12:31:31,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:31:31,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 85 conjunts are in the unsatisfiable core [2022-04-08 12:31:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:31:31,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:31:33,397 INFO L272 TraceCheckUtils]: 0: Hoare triple {23509#true} call ULTIMATE.init(); {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 1: Hoare triple {23509#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); {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 2: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23509#true} {23509#true} #103#return; {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L272 TraceCheckUtils]: 4: Hoare triple {23509#true} call #t~ret6 := main(); {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 5: Hoare triple {23509#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; {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L272 TraceCheckUtils]: 6: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 7: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 8: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,397 INFO L290 TraceCheckUtils]: 9: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {23509#true} {23509#true} #79#return; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 11: Hoare triple {23509#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L272 TraceCheckUtils]: 12: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 13: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 14: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 15: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {23509#true} {23509#true} #81#return; {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L272 TraceCheckUtils]: 17: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 18: Hoare triple {23509#true} ~cond := #in~cond; {23568#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 12:31:33,398 INFO L290 TraceCheckUtils]: 19: Hoare triple {23568#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {23572#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:31:33,399 INFO L290 TraceCheckUtils]: 20: Hoare triple {23572#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {23572#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 12:31:33,399 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {23572#(not (= |assume_abort_if_not_#in~cond| 0))} {23509#true} #83#return; {23579#(<= 1 main_~x~0)} is VALID [2022-04-08 12:31:33,399 INFO L272 TraceCheckUtils]: 22: Hoare triple {23579#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:31:33,399 INFO L290 TraceCheckUtils]: 23: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,399 INFO L290 TraceCheckUtils]: 24: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,399 INFO L290 TraceCheckUtils]: 25: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,400 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {23509#true} {23579#(<= 1 main_~x~0)} #85#return; {23579#(<= 1 main_~x~0)} is VALID [2022-04-08 12:31:33,400 INFO L290 TraceCheckUtils]: 27: Hoare triple {23579#(<= 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; {23598#(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 [2022-04-08 12:31:33,400 INFO L272 TraceCheckUtils]: 28: Hoare triple {23598#(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)); {23509#true} is VALID [2022-04-08 12:31:33,400 INFO L290 TraceCheckUtils]: 29: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,400 INFO L290 TraceCheckUtils]: 30: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,400 INFO L290 TraceCheckUtils]: 31: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,401 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {23509#true} {23598#(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; {23598#(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 [2022-04-08 12:31:33,401 INFO L272 TraceCheckUtils]: 33: Hoare triple {23598#(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)); {23509#true} is VALID [2022-04-08 12:31:33,401 INFO L290 TraceCheckUtils]: 34: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,401 INFO L290 TraceCheckUtils]: 35: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,401 INFO L290 TraceCheckUtils]: 36: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,402 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {23509#true} {23598#(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; {23598#(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 [2022-04-08 12:31:33,402 INFO L290 TraceCheckUtils]: 38: Hoare triple {23598#(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; {23598#(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 [2022-04-08 12:31:33,403 INFO L290 TraceCheckUtils]: 39: Hoare triple {23598#(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; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,403 INFO L290 TraceCheckUtils]: 40: Hoare triple {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,403 INFO L272 TraceCheckUtils]: 41: Hoare triple {23635#(and (= main_~r~0 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_~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)); {23509#true} is VALID [2022-04-08 12:31:33,403 INFO L290 TraceCheckUtils]: 42: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,403 INFO L290 TraceCheckUtils]: 43: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,403 INFO L290 TraceCheckUtils]: 44: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,404 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {23509#true} {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,404 INFO L272 TraceCheckUtils]: 46: Hoare triple {23635#(and (= main_~r~0 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_~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)); {23509#true} is VALID [2022-04-08 12:31:33,404 INFO L290 TraceCheckUtils]: 47: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,404 INFO L290 TraceCheckUtils]: 48: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,404 INFO L290 TraceCheckUtils]: 49: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,405 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {23509#true} {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,405 INFO L272 TraceCheckUtils]: 51: Hoare triple {23635#(and (= main_~r~0 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_~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)); {23509#true} is VALID [2022-04-08 12:31:33,405 INFO L290 TraceCheckUtils]: 52: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,405 INFO L290 TraceCheckUtils]: 53: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,406 INFO L290 TraceCheckUtils]: 54: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,406 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,406 INFO L272 TraceCheckUtils]: 56: Hoare triple {23635#(and (= main_~r~0 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_~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)); {23509#true} is VALID [2022-04-08 12:31:33,407 INFO L290 TraceCheckUtils]: 57: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,407 INFO L290 TraceCheckUtils]: 58: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,412 INFO L290 TraceCheckUtils]: 59: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,413 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,413 INFO L290 TraceCheckUtils]: 61: Hoare triple {23635#(and (= main_~r~0 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_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {23704#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~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_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:31:33,415 INFO L290 TraceCheckUtils]: 62: Hoare triple {23704#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~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_~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; {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,415 INFO L290 TraceCheckUtils]: 63: Hoare triple {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,416 INFO L290 TraceCheckUtils]: 64: Hoare triple {23708#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= 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; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,416 INFO L290 TraceCheckUtils]: 65: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,416 INFO L272 TraceCheckUtils]: 66: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,416 INFO L290 TraceCheckUtils]: 67: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,416 INFO L290 TraceCheckUtils]: 68: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,416 INFO L290 TraceCheckUtils]: 69: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,417 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,417 INFO L272 TraceCheckUtils]: 71: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,417 INFO L290 TraceCheckUtils]: 72: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,417 INFO L290 TraceCheckUtils]: 73: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,417 INFO L290 TraceCheckUtils]: 74: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,418 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,418 INFO L272 TraceCheckUtils]: 76: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,418 INFO L290 TraceCheckUtils]: 77: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,418 INFO L290 TraceCheckUtils]: 78: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,419 INFO L290 TraceCheckUtils]: 79: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,419 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,419 INFO L272 TraceCheckUtils]: 81: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,419 INFO L290 TraceCheckUtils]: 82: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,419 INFO L290 TraceCheckUtils]: 83: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,419 INFO L290 TraceCheckUtils]: 84: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,421 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {23509#true} {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,421 INFO L290 TraceCheckUtils]: 86: Hoare triple {23715#(and (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~k~0 0) (= main_~c~0 main_~y~0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~yy~0 (* main_~y~0 main_~y~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; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,422 INFO L290 TraceCheckUtils]: 87: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,422 INFO L272 TraceCheckUtils]: 88: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,422 INFO L290 TraceCheckUtils]: 89: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,422 INFO L290 TraceCheckUtils]: 90: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,422 INFO L290 TraceCheckUtils]: 91: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,423 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {23509#true} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,423 INFO L272 TraceCheckUtils]: 93: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,423 INFO L290 TraceCheckUtils]: 94: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,423 INFO L290 TraceCheckUtils]: 95: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,423 INFO L290 TraceCheckUtils]: 96: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,424 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {23509#true} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,424 INFO L272 TraceCheckUtils]: 98: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,424 INFO L290 TraceCheckUtils]: 99: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,424 INFO L290 TraceCheckUtils]: 100: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,424 INFO L290 TraceCheckUtils]: 101: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,425 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,425 INFO L272 TraceCheckUtils]: 103: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= 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)); {23509#true} is VALID [2022-04-08 12:31:33,425 INFO L290 TraceCheckUtils]: 104: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,426 INFO L290 TraceCheckUtils]: 105: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,426 INFO L290 TraceCheckUtils]: 106: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,426 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,428 INFO L290 TraceCheckUtils]: 108: Hoare triple {23782#(and (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~s~0 0) (<= 1 main_~x~0) (not (<= main_~y~0 main_~x~0)) (= main_~p~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !(~c~0 >= ~b~0); {23849#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 main_~y~0) (= main_~r~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (< (* main_~c~0 2) main_~y~0))} is VALID [2022-04-08 12:31:33,430 INFO L290 TraceCheckUtils]: 109: Hoare triple {23849#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 main_~y~0) (= main_~r~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (< (* main_~c~0 2) main_~y~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; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,430 INFO L290 TraceCheckUtils]: 110: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,431 INFO L290 TraceCheckUtils]: 111: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,431 INFO L290 TraceCheckUtils]: 112: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,431 INFO L272 TraceCheckUtils]: 113: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~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)); {23509#true} is VALID [2022-04-08 12:31:33,431 INFO L290 TraceCheckUtils]: 114: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,431 INFO L290 TraceCheckUtils]: 115: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,432 INFO L290 TraceCheckUtils]: 116: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,432 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {23509#true} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,432 INFO L272 TraceCheckUtils]: 118: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~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)); {23509#true} is VALID [2022-04-08 12:31:33,432 INFO L290 TraceCheckUtils]: 119: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:31:33,432 INFO L290 TraceCheckUtils]: 120: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:31:33,432 INFO L290 TraceCheckUtils]: 121: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:31:33,433 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {23509#true} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,433 INFO L272 TraceCheckUtils]: 123: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~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)); {23509#true} is VALID [2022-04-08 12:31:33,434 INFO L290 TraceCheckUtils]: 124: Hoare triple {23509#true} ~cond := #in~cond; {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,435 INFO L290 TraceCheckUtils]: 125: Hoare triple {23675#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,435 INFO L290 TraceCheckUtils]: 126: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:31:33,435 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 12:31:33,437 INFO L272 TraceCheckUtils]: 128: Hoare triple {23853#(and (< main_~y~0 (* main_~x~0 2)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~yy~0 (* main_~y~0 main_~y~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)); {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:31:33,438 INFO L290 TraceCheckUtils]: 129: Hoare triple {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23915#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:31:33,438 INFO L290 TraceCheckUtils]: 130: Hoare triple {23915#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {23510#false} is VALID [2022-04-08 12:31:33,438 INFO L290 TraceCheckUtils]: 131: Hoare triple {23510#false} assume !false; {23510#false} is VALID [2022-04-08 12:31:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 121 proven. 114 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-08 12:31:33,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:33:42,220 WARN L232 SmtUtils]: Spent 9.45s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-08 12:34:21,056 WARN L232 SmtUtils]: Spent 19.58s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-08 12:35:01,175 INFO L290 TraceCheckUtils]: 131: Hoare triple {23510#false} assume !false; {23510#false} is VALID [2022-04-08 12:35:01,175 INFO L290 TraceCheckUtils]: 130: Hoare triple {23915#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {23510#false} is VALID [2022-04-08 12:35:01,176 INFO L290 TraceCheckUtils]: 129: Hoare triple {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23915#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:35:01,176 INFO L272 TraceCheckUtils]: 128: Hoare triple {23931#(= (+ (* 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)); {23911#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:35:01,177 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23935#(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; {23931#(= (+ (* 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 [2022-04-08 12:35:01,177 INFO L290 TraceCheckUtils]: 126: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:01,178 INFO L290 TraceCheckUtils]: 125: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:01,178 INFO L290 TraceCheckUtils]: 124: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:35:01,178 INFO L272 TraceCheckUtils]: 123: Hoare triple {23935#(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)); {23509#true} is VALID [2022-04-08 12:35:01,179 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {23509#true} {23935#(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; {23935#(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 [2022-04-08 12:35:01,179 INFO L290 TraceCheckUtils]: 121: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:01,179 INFO L290 TraceCheckUtils]: 120: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:01,179 INFO L290 TraceCheckUtils]: 119: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:01,179 INFO L272 TraceCheckUtils]: 118: Hoare triple {23935#(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)); {23509#true} is VALID [2022-04-08 12:35:01,179 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {23509#true} {23935#(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; {23935#(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 [2022-04-08 12:35:01,179 INFO L290 TraceCheckUtils]: 116: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:01,180 INFO L290 TraceCheckUtils]: 115: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:01,180 INFO L290 TraceCheckUtils]: 114: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:01,180 INFO L272 TraceCheckUtils]: 113: Hoare triple {23935#(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)); {23509#true} is VALID [2022-04-08 12:35:01,180 INFO L290 TraceCheckUtils]: 112: Hoare triple {23935#(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; {23935#(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 [2022-04-08 12:35:01,180 INFO L290 TraceCheckUtils]: 111: Hoare triple {23935#(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; {23935#(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 [2022-04-08 12:35:01,181 INFO L290 TraceCheckUtils]: 110: Hoare triple {23935#(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; {23935#(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 [2022-04-08 12:35:03,182 WARN L290 TraceCheckUtils]: 109: Hoare triple {23991#(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; {23935#(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 [2022-04-08 12:35:03,183 INFO L290 TraceCheckUtils]: 108: Hoare triple {23995#(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); {23991#(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 [2022-04-08 12:35:03,184 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23999#(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; {23995#(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 [2022-04-08 12:35:03,185 INFO L290 TraceCheckUtils]: 106: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:03,185 INFO L290 TraceCheckUtils]: 105: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:03,185 INFO L290 TraceCheckUtils]: 104: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:35:03,185 INFO L272 TraceCheckUtils]: 103: Hoare triple {23999#(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)); {23509#true} is VALID [2022-04-08 12:35:03,187 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {24015#(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; {23999#(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 [2022-04-08 12:35:03,187 INFO L290 TraceCheckUtils]: 101: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:03,187 INFO L290 TraceCheckUtils]: 100: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:03,188 INFO L290 TraceCheckUtils]: 99: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:35:03,188 INFO L272 TraceCheckUtils]: 98: Hoare triple {24015#(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)); {23509#true} is VALID [2022-04-08 12:35:03,189 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {23509#true} {24015#(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; {24015#(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 [2022-04-08 12:35:03,189 INFO L290 TraceCheckUtils]: 96: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,189 INFO L290 TraceCheckUtils]: 95: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,189 INFO L290 TraceCheckUtils]: 94: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,189 INFO L272 TraceCheckUtils]: 93: Hoare triple {24015#(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)); {23509#true} is VALID [2022-04-08 12:35:03,190 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {23509#true} {24015#(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)))} #91#return; {24015#(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 [2022-04-08 12:35:03,190 INFO L290 TraceCheckUtils]: 91: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,190 INFO L290 TraceCheckUtils]: 90: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,190 INFO L290 TraceCheckUtils]: 89: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,190 INFO L272 TraceCheckUtils]: 88: Hoare triple {24015#(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 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:03,191 INFO L290 TraceCheckUtils]: 87: Hoare triple {24015#(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)))} assume !false; {24015#(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 [2022-04-08 12:35:03,363 INFO L290 TraceCheckUtils]: 86: Hoare triple {24064#(or (<= (* 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)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {24015#(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 [2022-04-08 12:35:03,364 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {23509#true} {24064#(or (<= (* 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)))))} #97#return; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,365 INFO L290 TraceCheckUtils]: 84: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,365 INFO L290 TraceCheckUtils]: 83: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,365 INFO L290 TraceCheckUtils]: 82: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,365 INFO L272 TraceCheckUtils]: 81: Hoare triple {24064#(or (<= (* 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)))))} 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)); {23509#true} is VALID [2022-04-08 12:35:03,365 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {23509#true} {24064#(or (<= (* 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)))))} #95#return; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,365 INFO L290 TraceCheckUtils]: 79: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,366 INFO L290 TraceCheckUtils]: 78: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,366 INFO L290 TraceCheckUtils]: 77: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,366 INFO L272 TraceCheckUtils]: 76: Hoare triple {24064#(or (<= (* 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)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:03,366 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {23509#true} {24064#(or (<= (* 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)))))} #93#return; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,367 INFO L290 TraceCheckUtils]: 74: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,367 INFO L290 TraceCheckUtils]: 73: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,367 INFO L290 TraceCheckUtils]: 72: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,367 INFO L272 TraceCheckUtils]: 71: Hoare triple {24064#(or (<= (* 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)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:03,367 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {23509#true} {24064#(or (<= (* 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)))))} #91#return; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,368 INFO L290 TraceCheckUtils]: 69: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:03,368 INFO L290 TraceCheckUtils]: 68: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:03,368 INFO L290 TraceCheckUtils]: 67: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:03,368 INFO L272 TraceCheckUtils]: 66: Hoare triple {24064#(or (<= (* 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)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:03,368 INFO L290 TraceCheckUtils]: 65: Hoare triple {24064#(or (<= (* 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)))))} assume !false; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,369 INFO L290 TraceCheckUtils]: 64: Hoare triple {24131#(or (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; {24064#(or (<= (* 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)))))} is VALID [2022-04-08 12:35:03,370 INFO L290 TraceCheckUtils]: 63: Hoare triple {24131#(or (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; {24131#(or (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 [2022-04-08 12:35:05,372 WARN L290 TraceCheckUtils]: 62: Hoare triple {24138#(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_~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)) (+ (* (- 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)))) (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)))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~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_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~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; {24131#(or (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 UNKNOWN [2022-04-08 12:35:05,374 INFO L290 TraceCheckUtils]: 61: Hoare triple {24142#(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_~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)) (+ (* (- 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)))) (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) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~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_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} assume !(~c~0 >= ~b~0); {24138#(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_~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)) (+ (* (- 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)))) (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)))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~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_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} is VALID [2022-04-08 12:35:05,376 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} {23509#true} #97#return; {24142#(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_~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)) (+ (* (- 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)))) (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) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* main_~y~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~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_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~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_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0)))))} is VALID [2022-04-08 12:35:05,376 INFO L290 TraceCheckUtils]: 59: Hoare triple {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:05,376 INFO L290 TraceCheckUtils]: 58: Hoare triple {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {23679#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 57: Hoare triple {23509#true} ~cond := #in~cond; {23945#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 12:35:05,377 INFO L272 TraceCheckUtils]: 56: Hoare triple {23509#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)); {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {23509#true} {23509#true} #95#return; {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 54: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 53: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 52: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L272 TraceCheckUtils]: 51: Hoare triple {23509#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {23509#true} {23509#true} #93#return; {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 49: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,377 INFO L290 TraceCheckUtils]: 48: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 47: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L272 TraceCheckUtils]: 46: Hoare triple {23509#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {23509#true} {23509#true} #91#return; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 44: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 43: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 42: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L272 TraceCheckUtils]: 41: Hoare triple {23509#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 40: Hoare triple {23509#true} assume !false; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 39: Hoare triple {23509#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 38: Hoare triple {23509#true} assume !false; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {23509#true} {23509#true} #89#return; {23509#true} is VALID [2022-04-08 12:35:05,378 INFO L290 TraceCheckUtils]: 36: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 35: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 34: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L272 TraceCheckUtils]: 33: Hoare triple {23509#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {23509#true} {23509#true} #87#return; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 31: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 30: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 29: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L272 TraceCheckUtils]: 28: Hoare triple {23509#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 27: Hoare triple {23509#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; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {23509#true} {23509#true} #85#return; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 25: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 24: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L290 TraceCheckUtils]: 23: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,379 INFO L272 TraceCheckUtils]: 22: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {23509#true} {23509#true} #83#return; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 20: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 19: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 18: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L272 TraceCheckUtils]: 17: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {23509#true} {23509#true} #81#return; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 15: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 14: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 13: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L272 TraceCheckUtils]: 12: Hoare triple {23509#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 11: Hoare triple {23509#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {23509#true} {23509#true} #79#return; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 9: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 8: Hoare triple {23509#true} assume !(0 == ~cond); {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L290 TraceCheckUtils]: 7: Hoare triple {23509#true} ~cond := #in~cond; {23509#true} is VALID [2022-04-08 12:35:05,380 INFO L272 TraceCheckUtils]: 6: Hoare triple {23509#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L290 TraceCheckUtils]: 5: Hoare triple {23509#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; {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L272 TraceCheckUtils]: 4: Hoare triple {23509#true} call #t~ret6 := main(); {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23509#true} {23509#true} #103#return; {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {23509#true} assume true; {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {23509#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); {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L272 TraceCheckUtils]: 0: Hoare triple {23509#true} call ULTIMATE.init(); {23509#true} is VALID [2022-04-08 12:35:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 141 proven. 60 refuted. 1 times theorem prover too weak. 348 trivial. 0 not checked. [2022-04-08 12:35:05,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:35:05,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380087345] [2022-04-08 12:35:05,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:35:05,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724737430] [2022-04-08 12:35:05,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724737430] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 12:35:05,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 12:35:05,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 28 [2022-04-08 12:35:05,382 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:35:05,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1380127879] [2022-04-08 12:35:05,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1380127879] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:35:05,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:35:05,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-08 12:35:05,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720683029] [2022-04-08 12:35:05,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:35:05,383 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-08 12:35:05,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:35:05,383 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 12:35:05,481 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:05,481 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-08 12:35:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:35:05,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-08 12:35:05,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=593, Unknown=5, NotChecked=0, Total=756 [2022-04-08 12:35:05,482 INFO L87 Difference]: Start difference. First operand 235 states and 312 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 12:35:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:14,744 INFO L93 Difference]: Finished difference Result 244 states and 320 transitions. [2022-04-08 12:35:14,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-08 12:35:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-08 12:35:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:35:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 12:35:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 125 transitions. [2022-04-08 12:35:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 12:35:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 125 transitions. [2022-04-08 12:35:14,748 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 125 transitions. [2022-04-08 12:35:14,963 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:14,967 INFO L225 Difference]: With dead ends: 244 [2022-04-08 12:35:14,967 INFO L226 Difference]: Without dead ends: 242 [2022-04-08 12:35:14,968 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 49.8s TimeCoverageRelationStatistics Valid=254, Invalid=1000, Unknown=6, NotChecked=0, Total=1260 [2022-04-08 12:35:14,968 INFO L913 BasicCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-04-08 12:35:14,969 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 282 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-04-08 12:35:14,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-04-08 12:35:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 239. [2022-04-08 12:35:15,598 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:35:15,598 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:35:15,599 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:35:15,599 INFO L87 Difference]: Start difference. First operand 242 states. Second operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:35:15,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:15,604 INFO L93 Difference]: Finished difference Result 242 states and 318 transitions. [2022-04-08 12:35:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2022-04-08 12:35:15,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:35:15,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:35:15,605 INFO L74 IsIncluded]: Start isIncluded. First operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 242 states. [2022-04-08 12:35:15,606 INFO L87 Difference]: Start difference. First operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 242 states. [2022-04-08 12:35:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:15,611 INFO L93 Difference]: Finished difference Result 242 states and 318 transitions. [2022-04-08 12:35:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2022-04-08 12:35:15,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:35:15,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:35:15,611 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:35:15,611 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:35:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 130 states have (on average 1.1307692307692307) internal successors, (147), 131 states have internal predecessors, (147), 85 states have call successors, (85), 24 states have call predecessors, (85), 23 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 12:35:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 315 transitions. [2022-04-08 12:35:15,617 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 315 transitions. Word has length 132 [2022-04-08 12:35:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:35:15,617 INFO L478 AbstractCegarLoop]: Abstraction has 239 states and 315 transitions. [2022-04-08 12:35:15,617 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 15 states have internal predecessors, (35), 7 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 12:35:15,617 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 239 states and 315 transitions. [2022-04-08 12:35:16,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 315 edges. 315 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 315 transitions. [2022-04-08 12:35:16,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-08 12:35:16,432 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:35:16,432 INFO L499 BasicCegarLoop]: 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] [2022-04-08 12:35:16,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-08 12:35:16,647 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:35:16,647 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:35:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:35:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-08 12:35:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:35:16,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1999028642] [2022-04-08 12:35:16,648 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:35:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-08 12:35:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:35:16,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886883653] [2022-04-08 12:35:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:35:16,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:35:16,658 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:35:16,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025731195] [2022-04-08 12:35:16,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 12:35:16,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:35:16,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:35:16,659 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) [2022-04-08 12:35:16,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-08 12:35:16,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 12:35:16,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:35:16,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 44 conjunts are in the unsatisfiable core [2022-04-08 12:35:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:35:16,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 12:35:17,751 INFO L272 TraceCheckUtils]: 0: Hoare triple {25794#true} call ULTIMATE.init(); {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 1: Hoare triple {25794#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); {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 2: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25794#true} {25794#true} #103#return; {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L272 TraceCheckUtils]: 4: Hoare triple {25794#true} call #t~ret6 := main(); {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 5: Hoare triple {25794#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; {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L272 TraceCheckUtils]: 6: Hoare triple {25794#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 5 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 7: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 8: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,751 INFO L290 TraceCheckUtils]: 9: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25794#true} {25794#true} #79#return; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 11: Hoare triple {25794#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L272 TraceCheckUtils]: 12: Hoare triple {25794#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 5 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 13: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 14: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 15: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25794#true} {25794#true} #81#return; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L272 TraceCheckUtils]: 17: Hoare triple {25794#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 18: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 19: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 20: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25794#true} {25794#true} #83#return; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L272 TraceCheckUtils]: 22: Hoare triple {25794#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 23: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 24: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L290 TraceCheckUtils]: 25: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,752 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25794#true} {25794#true} #85#return; {25794#true} is VALID [2022-04-08 12:35:17,753 INFO L290 TraceCheckUtils]: 27: Hoare triple {25794#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; {25880#(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 [2022-04-08 12:35:17,753 INFO L272 TraceCheckUtils]: 28: Hoare triple {25880#(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)); {25794#true} is VALID [2022-04-08 12:35:17,753 INFO L290 TraceCheckUtils]: 29: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,753 INFO L290 TraceCheckUtils]: 30: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,753 INFO L290 TraceCheckUtils]: 31: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,754 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {25794#true} {25880#(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; {25880#(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 [2022-04-08 12:35:17,754 INFO L272 TraceCheckUtils]: 33: Hoare triple {25880#(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)); {25794#true} is VALID [2022-04-08 12:35:17,754 INFO L290 TraceCheckUtils]: 34: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,754 INFO L290 TraceCheckUtils]: 35: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,754 INFO L290 TraceCheckUtils]: 36: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,754 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {25794#true} {25880#(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; {25880#(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 [2022-04-08 12:35:17,755 INFO L290 TraceCheckUtils]: 38: Hoare triple {25880#(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; {25880#(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 [2022-04-08 12:35:17,755 INFO L290 TraceCheckUtils]: 39: Hoare triple {25880#(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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,756 INFO L290 TraceCheckUtils]: 40: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,756 INFO L272 TraceCheckUtils]: 41: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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)); {25794#true} is VALID [2022-04-08 12:35:17,760 INFO L290 TraceCheckUtils]: 42: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,760 INFO L290 TraceCheckUtils]: 43: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,760 INFO L290 TraceCheckUtils]: 44: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,762 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,762 INFO L272 TraceCheckUtils]: 46: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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)); {25794#true} is VALID [2022-04-08 12:35:17,762 INFO L290 TraceCheckUtils]: 47: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,762 INFO L290 TraceCheckUtils]: 48: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,762 INFO L290 TraceCheckUtils]: 49: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,762 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,763 INFO L272 TraceCheckUtils]: 51: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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)); {25794#true} is VALID [2022-04-08 12:35:17,763 INFO L290 TraceCheckUtils]: 52: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,763 INFO L290 TraceCheckUtils]: 53: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,763 INFO L290 TraceCheckUtils]: 54: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,763 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,763 INFO L272 TraceCheckUtils]: 56: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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)); {25794#true} is VALID [2022-04-08 12:35:17,763 INFO L290 TraceCheckUtils]: 57: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,764 INFO L290 TraceCheckUtils]: 58: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,764 INFO L290 TraceCheckUtils]: 59: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,764 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {25794#true} {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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 [2022-04-08 12:35:17,766 INFO L290 TraceCheckUtils]: 61: Hoare triple {25917#(and (= main_~r~0 0) (= main_~c~0 main_~a~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; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,767 INFO L290 TraceCheckUtils]: 62: Hoare triple {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,767 INFO L272 TraceCheckUtils]: 63: Hoare triple {25984#(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_~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)); {25794#true} is VALID [2022-04-08 12:35:17,767 INFO L290 TraceCheckUtils]: 64: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,767 INFO L290 TraceCheckUtils]: 65: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,767 INFO L290 TraceCheckUtils]: 66: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,767 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {25794#true} {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,768 INFO L272 TraceCheckUtils]: 68: Hoare triple {25984#(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_~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)); {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L290 TraceCheckUtils]: 69: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L290 TraceCheckUtils]: 70: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L290 TraceCheckUtils]: 71: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {25794#true} {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,768 INFO L272 TraceCheckUtils]: 73: Hoare triple {25984#(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_~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)); {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L290 TraceCheckUtils]: 74: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,768 INFO L290 TraceCheckUtils]: 75: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,769 INFO L290 TraceCheckUtils]: 76: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,769 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {25794#true} {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,769 INFO L272 TraceCheckUtils]: 78: Hoare triple {25984#(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_~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)); {25794#true} is VALID [2022-04-08 12:35:17,769 INFO L290 TraceCheckUtils]: 79: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,769 INFO L290 TraceCheckUtils]: 80: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,769 INFO L290 TraceCheckUtils]: 81: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,770 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {25794#true} {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25984#(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_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,771 INFO L290 TraceCheckUtils]: 83: Hoare triple {25984#(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_~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; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,771 INFO L290 TraceCheckUtils]: 84: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,771 INFO L272 TraceCheckUtils]: 85: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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)); {25794#true} is VALID [2022-04-08 12:35:17,771 INFO L290 TraceCheckUtils]: 86: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,771 INFO L290 TraceCheckUtils]: 87: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,771 INFO L290 TraceCheckUtils]: 88: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,772 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,772 INFO L272 TraceCheckUtils]: 90: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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)); {25794#true} is VALID [2022-04-08 12:35:17,772 INFO L290 TraceCheckUtils]: 91: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,772 INFO L290 TraceCheckUtils]: 92: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,772 INFO L290 TraceCheckUtils]: 93: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,773 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,773 INFO L272 TraceCheckUtils]: 95: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,773 INFO L290 TraceCheckUtils]: 96: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,773 INFO L290 TraceCheckUtils]: 97: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,773 INFO L290 TraceCheckUtils]: 98: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,774 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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))} #95#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,774 INFO L272 TraceCheckUtils]: 100: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 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)); {25794#true} is VALID [2022-04-08 12:35:17,774 INFO L290 TraceCheckUtils]: 101: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,774 INFO L290 TraceCheckUtils]: 102: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,774 INFO L290 TraceCheckUtils]: 103: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,775 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {25794#true} {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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))} #97#return; {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 [2022-04-08 12:35:17,776 INFO L290 TraceCheckUtils]: 105: Hoare triple {26051#(and (= main_~r~0 0) (= main_~s~0 1) (= 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 !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~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 [2022-04-08 12:35:17,776 INFO L290 TraceCheckUtils]: 106: Hoare triple {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~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; {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~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 [2022-04-08 12:35:17,776 INFO L272 TraceCheckUtils]: 107: Hoare triple {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~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)); {25794#true} is VALID [2022-04-08 12:35:17,776 INFO L290 TraceCheckUtils]: 108: Hoare triple {25794#true} ~cond := #in~cond; {26128#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:35:17,777 INFO L290 TraceCheckUtils]: 109: Hoare triple {26128#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:17,777 INFO L290 TraceCheckUtils]: 110: Hoare triple {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 12:35:17,778 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {26132#(not (= |__VERIFIER_assert_#in~cond| 0))} {26118#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) main_~a~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; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,778 INFO L272 TraceCheckUtils]: 112: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,778 INFO L290 TraceCheckUtils]: 113: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,778 INFO L290 TraceCheckUtils]: 114: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,778 INFO L290 TraceCheckUtils]: 115: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,779 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #93#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,779 INFO L272 TraceCheckUtils]: 117: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25794#true} is VALID [2022-04-08 12:35:17,779 INFO L290 TraceCheckUtils]: 118: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,779 INFO L290 TraceCheckUtils]: 119: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,779 INFO L290 TraceCheckUtils]: 120: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,780 INFO L284 TraceCheckUtils]: 121: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #95#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,780 INFO L272 TraceCheckUtils]: 122: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~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)); {25794#true} is VALID [2022-04-08 12:35:17,780 INFO L290 TraceCheckUtils]: 123: Hoare triple {25794#true} ~cond := #in~cond; {25794#true} is VALID [2022-04-08 12:35:17,780 INFO L290 TraceCheckUtils]: 124: Hoare triple {25794#true} assume !(0 == ~cond); {25794#true} is VALID [2022-04-08 12:35:17,780 INFO L290 TraceCheckUtils]: 125: Hoare triple {25794#true} assume true; {25794#true} is VALID [2022-04-08 12:35:17,781 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {25794#true} {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} #97#return; {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,781 INFO L290 TraceCheckUtils]: 127: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 0) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 12:35:17,783 INFO L290 TraceCheckUtils]: 128: Hoare triple {26139#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~c~0 (* main_~y~0 3)) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~q~0 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; {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-08 12:35:17,783 INFO L290 TraceCheckUtils]: 129: Hoare triple {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} assume !false; {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-08 12:35:17,783 INFO L290 TraceCheckUtils]: 130: Hoare triple {26191#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} assume !(0 != ~b~0); {26198#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} is VALID [2022-04-08 12:35:17,784 INFO L272 TraceCheckUtils]: 131: Hoare triple {26198#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (= (+ main_~x~0 (* main_~y~0 3) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 (* (- 1) main_~s~0)) main_~x~0 (* main_~y~0 main_~s~0))) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {26202#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 12:35:17,784 INFO L290 TraceCheckUtils]: 132: Hoare triple {26202#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {26206#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 12:35:17,785 INFO L290 TraceCheckUtils]: 133: Hoare triple {26206#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25795#false} is VALID [2022-04-08 12:35:17,785 INFO L290 TraceCheckUtils]: 134: Hoare triple {25795#false} assume !false; {25795#false} is VALID [2022-04-08 12:35:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 67 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-04-08 12:35:17,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 12:35:28,467 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 12:35:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 12:35:28,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886883653] [2022-04-08 12:35:28,753 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 12:35:28,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025731195] [2022-04-08 12:35:28,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025731195] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 12:35:28,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 12:35:28,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-04-08 12:35:28,753 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 12:35:28,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1999028642] [2022-04-08 12:35:28,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1999028642] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 12:35:28,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 12:35:28,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-08 12:35:28,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382240892] [2022-04-08 12:35:28,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 12:35:28,754 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 135 [2022-04-08 12:35:28,754 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 12:35:28,754 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-08 12:35:28,834 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:28,834 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-08 12:35:28,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 12:35:28,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-08 12:35:28,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-04-08 12:35:28,835 INFO L87 Difference]: Start difference. First operand 239 states and 315 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-08 12:35:32,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:32,708 INFO L93 Difference]: Finished difference Result 280 states and 374 transitions. [2022-04-08 12:35:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-08 12:35:32,709 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) Word has length 135 [2022-04-08 12:35:32,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 12:35:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-08 12:35:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2022-04-08 12:35:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-08 12:35:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 127 transitions. [2022-04-08 12:35:32,712 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 127 transitions. [2022-04-08 12:35:32,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:32,858 INFO L225 Difference]: With dead ends: 280 [2022-04-08 12:35:32,859 INFO L226 Difference]: Without dead ends: 277 [2022-04-08 12:35:32,859 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-04-08 12:35:32,859 INFO L913 BasicCegarLoop]: 57 mSDtfsCounter, 28 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-08 12:35:32,859 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 328 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-08 12:35:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-04-08 12:35:33,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 274. [2022-04-08 12:35:33,534 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 12:35:33,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 277 states. Second operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-04-08 12:35:33,534 INFO L74 IsIncluded]: Start isIncluded. First operand 277 states. Second operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-04-08 12:35:33,535 INFO L87 Difference]: Start difference. First operand 277 states. Second operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-04-08 12:35:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:33,541 INFO L93 Difference]: Finished difference Result 277 states and 370 transitions. [2022-04-08 12:35:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 370 transitions. [2022-04-08 12:35:33,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:35:33,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:35:33,542 INFO L74 IsIncluded]: Start isIncluded. First operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand 277 states. [2022-04-08 12:35:33,542 INFO L87 Difference]: Start difference. First operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand 277 states. [2022-04-08 12:35:33,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 12:35:33,547 INFO L93 Difference]: Finished difference Result 277 states and 370 transitions. [2022-04-08 12:35:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 370 transitions. [2022-04-08 12:35:33,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 12:35:33,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 12:35:33,547 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 12:35:33,547 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 12:35:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 148 states have internal predecessors, (167), 101 states have call successors, (101), 26 states have call predecessors, (101), 25 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-04-08 12:35:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 367 transitions. [2022-04-08 12:35:33,553 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 367 transitions. Word has length 135 [2022-04-08 12:35:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 12:35:33,553 INFO L478 AbstractCegarLoop]: Abstraction has 274 states and 367 transitions. [2022-04-08 12:35:33,553 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 8 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 6 states have call predecessors, (23), 7 states have call successors, (23) [2022-04-08 12:35:33,553 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 274 states and 367 transitions. [2022-04-08 12:35:34,438 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 367 edges. 367 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 12:35:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 367 transitions. [2022-04-08 12:35:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-04-08 12:35:34,439 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 12:35:34,439 INFO L499 BasicCegarLoop]: trace histogram [17, 16, 16, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-04-08 12:35:34,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-04-08 12:35:34,640 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-04-08 12:35:34,640 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 12:35:34,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 12:35:34,640 INFO L85 PathProgramCache]: Analyzing trace with hash -896647763, now seen corresponding path program 9 times [2022-04-08 12:35:34,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 12:35:34,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1717120027] [2022-04-08 12:35:34,641 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 12:35:34,641 INFO L85 PathProgramCache]: Analyzing trace with hash -896647763, now seen corresponding path program 10 times [2022-04-08 12:35:34,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 12:35:34,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42584698] [2022-04-08 12:35:34,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 12:35:34,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 12:35:34,652 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 12:35:34,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423287777] [2022-04-08 12:35:34,653 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 12:35:34,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 12:35:34,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 12:35:34,653 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 12:35:34,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-04-08 12:35:34,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 12:35:34,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 12:35:34,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 80 conjunts are in the unsatisfiable core [2022-04-08 12:35:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 12:35:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates...