/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 05:46:08,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 05:46:08,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 05:46:08,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 05:46:08,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 05:46:08,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 05:46:08,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 05:46:08,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 05:46:08,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 05:46:08,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 05:46:08,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 05:46:08,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 05:46:08,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 05:46:08,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 05:46:08,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 05:46:08,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 05:46:08,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 05:46:08,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 05:46:08,648 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 05:46:08,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 05:46:08,649 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 05:46:08,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 05:46:08,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 05:46:08,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 05:46:08,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 05:46:08,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 05:46:08,886 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 05:46:08,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-08 05:46:08,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7600b72c/7618941e78a54546a05cbba0a5e79daf/FLAGf7fe2e2bb [2022-04-08 05:46:09,218 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 05:46:09,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-08 05:46:09,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7600b72c/7618941e78a54546a05cbba0a5e79daf/FLAGf7fe2e2bb [2022-04-08 05:46:09,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7600b72c/7618941e78a54546a05cbba0a5e79daf [2022-04-08 05:46:09,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 05:46:09,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 05:46:09,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 05:46:09,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 05:46:09,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 05:46:09,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420d69fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09, skipping insertion in model container [2022-04-08 05:46:09,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 05:46:09,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 05:46:09,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c[490,503] [2022-04-08 05:46:09,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 05:46:09,905 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 05:46:09,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c[490,503] [2022-04-08 05:46:09,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 05:46:09,941 INFO L208 MainTranslator]: Completed translation [2022-04-08 05:46:09,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09 WrapperNode [2022-04-08 05:46:09,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 05:46:09,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 05:46:09,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 05:46:09,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 05:46:09,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 05:46:09,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 05:46:09,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 05:46:09,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 05:46:09,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (1/1) ... [2022-04-08 05:46:09,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 05:46:09,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:10,001 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 05:46:10,040 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 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 05:46:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 05:46:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 05:46:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 05:46:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 05:46:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 05:46:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 05:46:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 05:46:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 05:46:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 05:46:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 05:46:10,101 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 05:46:10,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 05:46:10,291 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 05:46:10,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 05:46:10,303 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-08 05:46:10,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 05:46:10 BoogieIcfgContainer [2022-04-08 05:46:10,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 05:46:10,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 05:46:10,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 05:46:10,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 05:46:10,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 05:46:09" (1/3) ... [2022-04-08 05:46:10,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0dce56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 05:46:10, skipping insertion in model container [2022-04-08 05:46:10,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 05:46:09" (2/3) ... [2022-04-08 05:46:10,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0dce56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 05:46:10, skipping insertion in model container [2022-04-08 05:46:10,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 05:46:10" (3/3) ... [2022-04-08 05:46:10,311 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2022-04-08 05:46:10,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 05:46:10,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 05:46:10,349 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 05:46:10,364 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 05:46:10,364 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 05:46:10,381 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 05:46:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 05:46:10,387 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:10,388 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 05:46:10,388 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:10,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-08 05:46:10,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:10,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1503368296] [2022-04-08 05:46:10,405 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:10,405 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-08 05:46:10,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:10,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838446805] [2022-04-08 05:46:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:10,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 05:46:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,584 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 05:46:10,584 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-08 05:46:10,584 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-08 05:46:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 05:46:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,596 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,597 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,597 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-08 05:46:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-08 05:46:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,613 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,613 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,613 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,613 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-08 05:46:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-08 05:46:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,623 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,624 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,624 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-08 05:46:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-08 05:46:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,629 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,630 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,630 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,630 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-08 05:46:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-08 05:46:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,635 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,635 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,635 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,635 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-08 05:46:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-08 05:46:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:10,640 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,641 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,641 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,641 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-08 05:46:10,642 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 05:46:10,642 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 05:46:10,642 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-08 05:46:10,642 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-08 05:46:10,642 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-08 05:46:10,643 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 05:46:10,643 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {43#true} is VALID [2022-04-08 05:46:10,643 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,643 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,643 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,644 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-08 05:46:10,644 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 05:46:10,644 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {43#true} is VALID [2022-04-08 05:46:10,644 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,644 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,645 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,645 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-08 05:46:10,645 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 05:46:10,645 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,645 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,646 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,646 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-08 05:46:10,646 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 05:46:10,646 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,646 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,646 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,647 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-08 05:46:10,647 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 05:46:10,647 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 05:46:10,647 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,647 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,648 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,648 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-08 05:46:10,648 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 05:46:10,648 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-08 05:46:10,648 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-08 05:46:10,649 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-08 05:46:10,649 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-08 05:46:10,649 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-08 05:46:10,649 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 05:46:10,649 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-08 05:46:10,649 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-08 05:46:10,649 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-08 05:46:10,650 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 05:46:10,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:10,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838446805] [2022-04-08 05:46:10,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838446805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:10,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:10,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 05:46:10,653 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:10,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1503368296] [2022-04-08 05:46:10,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1503368296] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:10,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:10,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 05:46:10,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041584670] [2022-04-08 05:46:10,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:10,657 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 05:46:10,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:10,660 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 05:46:10,685 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 05:46:10,685 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 05:46:10,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:10,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 05:46:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 05:46:10,699 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 05:46:10,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:10,817 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-08 05:46:10,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 05:46:10,817 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 05:46:10,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:10,818 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 05:46:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-08 05:46:10,825 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 05:46:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-08 05:46:10,830 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-08 05:46:10,932 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 05:46:10,938 INFO L225 Difference]: With dead ends: 73 [2022-04-08 05:46:10,938 INFO L226 Difference]: Without dead ends: 35 [2022-04-08 05:46:10,941 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 05:46:10,943 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 05:46:10,943 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 05:46:10,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-08 05:46:10,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-08 05:46:10,972 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:10,973 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 05:46:10,974 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 05:46:10,975 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 05:46:10,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:10,991 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-08 05:46:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 05:46:10,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:10,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:10,992 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 05:46:10,992 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 05:46:10,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:10,995 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-08 05:46:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 05:46:10,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:10,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:10,996 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:10,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:10,996 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 05:46:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-08 05:46:11,002 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-08 05:46:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:11,002 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-08 05:46:11,003 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 05:46:11,003 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-08 05:46:11,046 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 05:46:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-08 05:46:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-08 05:46:11,047 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:11,047 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 05:46:11,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 05:46:11,047 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:11,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:11,048 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-08 05:46:11,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:11,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1475945264] [2022-04-08 05:46:11,049 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:11,049 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-08 05:46:11,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:11,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981270195] [2022-04-08 05:46:11,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:11,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:11,067 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:11,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2049737381] [2022-04-08 05:46:11,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:11,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:11,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:11,099 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 05:46:11,100 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 05:46:11,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:46:11,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:11,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 05:46:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:11,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:11,426 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-08 05:46:11,426 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 05:46:11,427 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,427 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-08 05:46:11,427 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-08 05:46:11,427 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 05:46:11,427 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-08 05:46:11,427 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,428 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,428 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,428 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-08 05:46:11,428 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 05:46:11,428 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-08 05:46:11,428 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,428 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,429 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,429 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-08 05:46:11,429 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 05:46:11,429 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,429 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,431 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,431 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-08 05:46:11,431 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 05:46:11,432 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 05:46:11,432 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 05:46:11,433 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 05:46:11,433 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 05:46:11,434 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 05:46:11,434 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 05:46:11,435 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,437 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,439 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,440 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 05:46:11,444 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 05:46:11,444 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,445 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,445 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,446 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 05:46:11,446 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 05:46:11,447 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-08 05:46:11,447 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 05:46:11,447 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-08 05:46:11,447 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-08 05:46:11,447 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-08 05:46:11,448 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 05:46:11,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:46:11,704 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-08 05:46:11,704 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-08 05:46:11,704 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-08 05:46:11,704 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 05:46:11,705 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-08 05:46:11,705 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-08 05:46:11,706 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 05:46:11,706 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,706 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,706 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,706 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 05:46:11,707 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 05:46:11,707 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,707 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,707 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,707 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 05:46:11,707 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 05:46:11,708 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 05:46:11,708 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 05:46:11,709 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 05:46:11,709 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 05:46:11,709 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 05:46:11,709 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-08 05:46:11,709 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,709 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,710 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,710 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 05:46:11,710 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-08 05:46:11,710 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,710 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,710 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,710 INFO L272 TraceCheckUtils]: 12: Hoare triple {361#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-08 05:46:11,710 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 05:46:11,710 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-08 05:46:11,710 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,711 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-08 05:46:11,711 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-08 05:46:11,711 INFO L272 TraceCheckUtils]: 6: Hoare triple {361#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {361#true} is VALID [2022-04-08 05:46:11,711 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 05:46:11,711 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-08 05:46:11,711 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-08 05:46:11,711 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-08 05:46:11,711 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 05:46:11,711 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-08 05:46:11,712 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 05:46:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:11,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981270195] [2022-04-08 05:46:11,712 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:11,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049737381] [2022-04-08 05:46:11,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049737381] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:46:11,712 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:46:11,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-08 05:46:11,713 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:11,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1475945264] [2022-04-08 05:46:11,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1475945264] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:11,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:11,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 05:46:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135113808] [2022-04-08 05:46:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:11,714 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 05:46:11,714 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:11,714 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 05:46:11,735 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 05:46:11,735 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 05:46:11,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 05:46:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-08 05:46:11,736 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 05:46:11,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:11,978 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-08 05:46:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 05:46:11,978 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 05:46:11,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:11,978 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 05:46:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-08 05:46:11,981 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 05:46:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-08 05:46:11,983 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-08 05:46:12,031 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 05:46:12,033 INFO L225 Difference]: With dead ends: 52 [2022-04-08 05:46:12,033 INFO L226 Difference]: Without dead ends: 44 [2022-04-08 05:46:12,033 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 05:46:12,034 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 05:46:12,034 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 05:46:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-08 05:46:12,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-08 05:46:12,050 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:12,050 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 05:46:12,050 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 05:46:12,050 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 05:46:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:12,053 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-08 05:46:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-08 05:46:12,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:12,054 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:12,054 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 05:46:12,054 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 05:46:12,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:12,056 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-08 05:46:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-08 05:46:12,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:12,057 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:12,057 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:12,057 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:12,058 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 05:46:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-08 05:46:12,059 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-08 05:46:12,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:12,059 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-08 05:46:12,059 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 05:46:12,060 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-08 05:46:12,101 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 05:46:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-08 05:46:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-08 05:46:12,102 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:12,102 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 05:46:12,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-08 05:46:12,315 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 05:46:12,316 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:12,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:12,316 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-08 05:46:12,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:12,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [544670780] [2022-04-08 05:46:12,317 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-08 05:46:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:12,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419650238] [2022-04-08 05:46:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:12,332 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:12,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813681718] [2022-04-08 05:46:12,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:12,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:12,334 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 05:46:12,348 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 05:46:12,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 05:46:12,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:12,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-08 05:46:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:12,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:12,513 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-08 05:46:12,513 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 05:46:12,514 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,514 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-08 05:46:12,514 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-08 05:46:12,514 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 05:46:12,514 INFO L272 TraceCheckUtils]: 6: Hoare triple {901#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {901#true} is VALID [2022-04-08 05:46:12,514 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,514 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,514 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,514 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-08 05:46:12,514 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 05:46:12,515 INFO L272 TraceCheckUtils]: 12: Hoare triple {901#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {901#true} is VALID [2022-04-08 05:46:12,515 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,515 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,515 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,515 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-08 05:46:12,515 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 05:46:12,515 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,515 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,515 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,515 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-08 05:46:12,515 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 05:46:12,516 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,516 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,516 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,516 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-08 05:46:12,516 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 05:46:12,516 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 05:46:12,516 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,516 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,516 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,516 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-08 05:46:12,516 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 05:46:12,517 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-08 05:46:12,517 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-08 05:46:12,517 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-08 05:46:12,517 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-08 05:46:12,517 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-08 05:46:12,517 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 05:46:12,518 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 05:46:12,518 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 05:46:12,519 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 05:46:12,519 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-08 05:46:12,519 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-08 05:46:12,519 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 05:46:12,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 05:46:12,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419650238] [2022-04-08 05:46:12,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813681718] [2022-04-08 05:46:12,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813681718] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:12,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:12,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:12,520 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [544670780] [2022-04-08 05:46:12,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [544670780] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:12,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:12,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:12,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657710199] [2022-04-08 05:46:12,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:12,521 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 05:46:12,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:12,521 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 05:46:12,557 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 05:46:12,558 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 05:46:12,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 05:46:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 05:46:12,559 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 05:46:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:12,749 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-08 05:46:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 05:46:12,752 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 05:46:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:12,752 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 05:46:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-08 05:46:12,754 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 05:46:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-08 05:46:12,755 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-08 05:46:12,817 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 05:46:12,818 INFO L225 Difference]: With dead ends: 50 [2022-04-08 05:46:12,818 INFO L226 Difference]: Without dead ends: 48 [2022-04-08 05:46:12,818 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 05:46:12,819 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 05:46:12,819 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 05:46:12,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-08 05:46:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-08 05:46:12,839 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:12,839 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 05:46:12,839 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 05:46:12,840 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 05:46:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:12,842 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-08 05:46:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-08 05:46:12,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:12,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:12,842 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 05:46:12,843 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 05:46:12,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:12,844 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-08 05:46:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-08 05:46:12,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:12,845 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:12,845 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:12,845 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:12,845 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 05:46:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-08 05:46:12,847 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-08 05:46:12,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:12,847 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-08 05:46:12,847 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 05:46:12,847 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-08 05:46:12,894 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 05:46:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-08 05:46:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-08 05:46:12,895 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:12,895 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 05:46:12,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 05:46:13,111 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 05:46:13,111 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:13,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:13,111 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-08 05:46:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:13,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1335549295] [2022-04-08 05:46:13,112 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-08 05:46:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:13,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631097765] [2022-04-08 05:46:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:13,133 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:13,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209515719] [2022-04-08 05:46:13,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:13,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:13,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:13,135 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 05:46:13,142 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 05:46:13,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:46:13,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:13,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 05:46:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:13,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:13,391 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-08 05:46:13,391 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 05:46:13,391 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,391 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-08 05:46:13,392 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 05:46:13,392 INFO L272 TraceCheckUtils]: 6: Hoare triple {1324#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-08 05:46:13,392 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 05:46:13,392 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,392 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-08 05:46:13,393 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 05:46:13,393 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-08 05:46:13,393 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 05:46:13,393 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,393 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-08 05:46:13,395 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 05:46:13,395 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 05:46:13,395 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,395 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,395 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,396 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 05:46:13,396 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 05:46:13,396 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,396 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,396 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,397 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 05:46:13,397 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 05:46:13,398 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 05:46:13,398 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 05:46:13,398 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 05:46:13,398 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-08 05:46:13,398 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-08 05:46:13,398 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-08 05:46:13,399 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 05:46:13,400 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 05:46:13,402 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 05:46:13,404 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-08 05:46:13,404 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-08 05:46:13,404 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 05:46:13,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 05:46:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631097765] [2022-04-08 05:46:13,404 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209515719] [2022-04-08 05:46:13,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209515719] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:13,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:13,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:13,405 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:13,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1335549295] [2022-04-08 05:46:13,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1335549295] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:13,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:13,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60086995] [2022-04-08 05:46:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:13,406 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 05:46:13,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:13,406 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 05:46:13,431 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 05:46:13,432 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 05:46:13,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:13,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 05:46:13,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 05:46:13,432 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 05:46:13,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:13,639 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-08 05:46:13,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 05:46:13,639 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 05:46:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:13,640 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 05:46:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 05:46:13,641 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 05:46:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 05:46:13,642 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-08 05:46:13,698 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 05:46:13,699 INFO L225 Difference]: With dead ends: 58 [2022-04-08 05:46:13,699 INFO L226 Difference]: Without dead ends: 56 [2022-04-08 05:46:13,699 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 05:46:13,700 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 05:46:13,700 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 05:46:13,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-08 05:46:13,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-08 05:46:13,730 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:13,730 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 05:46:13,730 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 05:46:13,730 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 05:46:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:13,734 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-08 05:46:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-08 05:46:13,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:13,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:13,735 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 05:46:13,736 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 05:46:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:13,738 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-08 05:46:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-08 05:46:13,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:13,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:13,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:13,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:13,739 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 05:46:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-08 05:46:13,741 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-08 05:46:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:13,741 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-08 05:46:13,741 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 05:46:13,741 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-08 05:46:13,830 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 05:46:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-08 05:46:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-08 05:46:13,831 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:13,831 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 05:46:13,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-08 05:46:14,031 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 05:46:14,032 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:14,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:14,032 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-08 05:46:14,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:14,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [716306359] [2022-04-08 05:46:14,033 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-08 05:46:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:14,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068277091] [2022-04-08 05:46:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:14,051 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:14,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166674676] [2022-04-08 05:46:14,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:14,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:14,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:14,062 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 05:46:14,069 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 05:46:14,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:46:14,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:14,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 05:46:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:14,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:14,359 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-08 05:46:14,360 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 05:46:14,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-08 05:46:14,360 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 05:46:14,360 INFO L272 TraceCheckUtils]: 6: Hoare triple {1818#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,360 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-08 05:46:14,361 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 05:46:14,361 INFO L272 TraceCheckUtils]: 12: Hoare triple {1818#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-08 05:46:14,361 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 05:46:14,361 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,361 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-08 05:46:14,361 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 05:46:14,361 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,362 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,362 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,362 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-08 05:46:14,362 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 05:46:14,362 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 05:46:14,362 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,362 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,363 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,363 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 05:46:14,363 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 05:46:14,363 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,363 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,363 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,364 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 05:46:14,364 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 05:46:14,365 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 05:46:14,365 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 05:46:14,365 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 05:46:14,365 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,365 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,365 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,366 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 05:46:14,366 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 05:46:14,366 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-08 05:46:14,366 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-08 05:46:14,366 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-08 05:46:14,367 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 05:46:14,367 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 05:46:14,368 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 05:46:14,368 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-08 05:46:14,368 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-08 05:46:14,368 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 05:46:14,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 05:46:14,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:14,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068277091] [2022-04-08 05:46:14,369 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:14,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166674676] [2022-04-08 05:46:14,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166674676] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:14,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:14,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:14,369 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:14,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [716306359] [2022-04-08 05:46:14,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [716306359] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:14,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:14,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:14,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89139321] [2022-04-08 05:46:14,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:14,370 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 05:46:14,370 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:14,370 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 05:46:14,395 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 05:46:14,396 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 05:46:14,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 05:46:14,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 05:46:14,396 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 05:46:14,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:14,591 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-08 05:46:14,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 05:46:14,592 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 05:46:14,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:14,592 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 05:46:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 05:46:14,593 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 05:46:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-08 05:46:14,594 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-08 05:46:14,641 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 05:46:14,642 INFO L225 Difference]: With dead ends: 62 [2022-04-08 05:46:14,642 INFO L226 Difference]: Without dead ends: 60 [2022-04-08 05:46:14,642 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 05:46:14,643 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 05:46:14,643 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 05:46:14,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-08 05:46:14,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-08 05:46:14,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:14,682 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 05:46:14,682 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 05:46:14,683 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 05:46:14,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:14,685 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-08 05:46:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-08 05:46:14,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:14,685 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:14,685 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 05:46:14,685 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 05:46:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:14,687 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-08 05:46:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-08 05:46:14,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:14,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:14,688 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:14,688 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:14,688 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 05:46:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-08 05:46:14,690 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-08 05:46:14,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:14,690 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-08 05:46:14,690 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 05:46:14,690 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-08 05:46:14,760 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 05:46:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-08 05:46:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-08 05:46:14,761 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:14,761 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 05:46:14,779 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 05:46:14,974 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 05:46:14,974 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:14,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:14,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-08 05:46:14,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:14,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1894355957] [2022-04-08 05:46:14,975 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:14,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-08 05:46:14,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:14,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271096101] [2022-04-08 05:46:14,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:14,990 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:14,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907868903] [2022-04-08 05:46:14,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:14,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:14,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:14,991 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 05:46:15,023 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 05:46:15,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:46:15,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:15,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-08 05:46:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:15,303 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-08 05:46:15,303 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 05:46:15,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,303 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-08 05:46:15,303 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-08 05:46:15,303 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 05:46:15,303 INFO L272 TraceCheckUtils]: 6: Hoare triple {2351#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-08 05:46:15,304 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 05:46:15,304 INFO L272 TraceCheckUtils]: 12: Hoare triple {2351#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,304 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-08 05:46:15,304 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 05:46:15,304 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-08 05:46:15,305 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 05:46:15,305 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,305 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-08 05:46:15,307 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 05:46:15,307 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 05:46:15,307 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,307 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,307 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,308 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 05:46:15,308 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 05:46:15,308 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,308 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,308 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,309 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 05:46:15,309 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 05:46:15,310 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 05:46:15,310 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 05:46:15,310 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 05:46:15,310 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-08 05:46:15,310 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-08 05:46:15,310 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-08 05:46:15,311 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 05:46:15,311 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 05:46:15,311 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:46:15,312 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 05:46:15,312 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 05:46:15,312 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 05:46:15,313 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 05:46:15,334 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:46:15,335 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 05:46:15,335 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 05:46:15,336 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 05:46:15,337 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 05:46:15,337 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 05:46:15,337 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-08 05:46:15,338 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-08 05:46:15,338 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 05:46:15,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:46:58,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:58,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271096101] [2022-04-08 05:46:58,212 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:58,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907868903] [2022-04-08 05:46:58,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907868903] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 05:46:58,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 05:46:58,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-08 05:46:58,213 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:58,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1894355957] [2022-04-08 05:46:58,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1894355957] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:58,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:58,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 05:46:58,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147934320] [2022-04-08 05:46:58,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:58,214 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 05:46:58,214 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:58,214 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 05:46:58,246 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 05:46:58,246 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 05:46:58,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 05:46:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-08 05:46:58,246 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 05:46:58,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:58,610 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-08 05:46:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-08 05:46:58,610 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 05:46:58,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:58,610 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 05:46:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-08 05:46:58,614 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 05:46:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-08 05:46:58,615 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-08 05:46:58,666 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 05:46:58,667 INFO L225 Difference]: With dead ends: 66 [2022-04-08 05:46:58,667 INFO L226 Difference]: Without dead ends: 64 [2022-04-08 05:46:58,668 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 05:46:58,668 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 05:46:58,668 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 05:46:58,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-08 05:46:58,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-08 05:46:58,714 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:58,715 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 05:46:58,715 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 05:46:58,715 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 05:46:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:58,717 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-08 05:46:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-08 05:46:58,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:58,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:58,717 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 05:46:58,718 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 05:46:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:58,719 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-08 05:46:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-08 05:46:58,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:58,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:58,720 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:58,720 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:58,720 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 05:46:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-08 05:46:58,722 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-08 05:46:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:58,722 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-08 05:46:58,722 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 05:46:58,722 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-08 05:46:58,805 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 05:46:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-08 05:46:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-08 05:46:58,806 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:58,806 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 05:46:58,823 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 05:46:59,007 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 05:46:59,007 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:46:59,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:46:59,007 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-08 05:46:59,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:59,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1172683117] [2022-04-08 05:46:59,011 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:46:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-08 05:46:59,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:46:59,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160660801] [2022-04-08 05:46:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:46:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:46:59,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:46:59,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027400661] [2022-04-08 05:46:59,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:46:59,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:46:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:46:59,039 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 05:46:59,044 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 05:46:59,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:46:59,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:46:59,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 05:46:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:46:59,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:46:59,307 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-08 05:46:59,307 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 05:46:59,307 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,307 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-08 05:46:59,307 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-08 05:46:59,307 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 05:46:59,307 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-08 05:46:59,307 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,308 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,310 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,310 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-08 05:46:59,310 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 05:46:59,310 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-08 05:46:59,310 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,310 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,310 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-08 05:46:59,311 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 05:46:59,311 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-08 05:46:59,311 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 05:46:59,311 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,311 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-08 05:46:59,312 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 05:46:59,312 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 05:46:59,312 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-08 05:46:59,312 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 05:46:59,312 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,312 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,313 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-08 05:46:59,313 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-08 05:46:59,331 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 05:46:59,332 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 05:46:59,332 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 05:46:59,332 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,332 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,332 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,333 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 05:46:59,333 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 05:46:59,333 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,333 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,333 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,334 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 05:46:59,334 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 05:46:59,334 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,335 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,335 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,335 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 05:46:59,335 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 05:46:59,335 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,336 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,336 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,336 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 05:46:59,337 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 05:46:59,337 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 05:46:59,338 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 05:46:59,338 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 05:46:59,338 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-08 05:46:59,339 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-08 05:46:59,339 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 05:46:59,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:46:59,570 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-08 05:46:59,570 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-08 05:46:59,571 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 05:46:59,571 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 05:46:59,572 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 05:46:59,573 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 05:46:59,574 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 05:46:59,574 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,574 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,574 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,574 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 05:46:59,575 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 05:46:59,575 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,575 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,575 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,575 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 05:46:59,576 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 05:46:59,576 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,576 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,576 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,577 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 05:46:59,577 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 05:46:59,577 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,577 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,577 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,577 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 05:46:59,578 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 05:46:59,578 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 05:46:59,578 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-08 05:46:59,578 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-08 05:46:59,578 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,579 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 05:46:59,579 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,579 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 05:46:59,579 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 05:46:59,579 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-08 05:46:59,579 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,580 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 05:46:59,580 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,580 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 05:46:59,580 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,580 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L272 TraceCheckUtils]: 12: Hoare triple {2944#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-08 05:46:59,581 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 05:46:59,581 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L272 TraceCheckUtils]: 6: Hoare triple {2944#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {2944#true} is VALID [2022-04-08 05:46:59,581 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 05:46:59,581 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-08 05:46:59,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-08 05:46:59,582 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 05:46:59,582 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-08 05:46:59,582 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 05:46:59,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:46:59,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160660801] [2022-04-08 05:46:59,582 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:46:59,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027400661] [2022-04-08 05:46:59,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027400661] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 05:46:59,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 05:46:59,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-08 05:46:59,583 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:46:59,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1172683117] [2022-04-08 05:46:59,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1172683117] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:46:59,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:46:59,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:46:59,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646407516] [2022-04-08 05:46:59,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:46:59,584 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 05:46:59,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:46:59,584 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 05:46:59,612 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 05:46:59,612 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 05:46:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:46:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 05:46:59,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-08 05:46:59,613 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 05:46:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:59,793 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-08 05:46:59,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 05:46:59,794 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 05:46:59,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:46:59,794 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 05:46:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-08 05:46:59,795 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 05:46:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-08 05:46:59,796 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-08 05:46:59,832 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 05:46:59,833 INFO L225 Difference]: With dead ends: 69 [2022-04-08 05:46:59,833 INFO L226 Difference]: Without dead ends: 67 [2022-04-08 05:46:59,834 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 05:46:59,834 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 05:46:59,834 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 05:46:59,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-08 05:46:59,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-08 05:46:59,870 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:46:59,870 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 05:46:59,870 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 05:46:59,871 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 05:46:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:59,872 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-08 05:46:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-08 05:46:59,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:59,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:59,873 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 05:46:59,873 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 05:46:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:46:59,875 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-08 05:46:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-08 05:46:59,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:46:59,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:46:59,875 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:46:59,875 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:46:59,875 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 05:46:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-08 05:46:59,877 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-08 05:46:59,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:46:59,877 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-08 05:46:59,877 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 05:46:59,877 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-08 05:46:59,961 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 05:46:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-08 05:46:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-08 05:46:59,961 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:46:59,961 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 05:46:59,981 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 05:47:00,162 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 05:47:00,162 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:47:00,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:47:00,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-08 05:47:00,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:00,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1628182456] [2022-04-08 05:47:00,163 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:47:00,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-08 05:47:00,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:47:00,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783815247] [2022-04-08 05:47:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:47:00,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:47:00,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:47:00,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821005062] [2022-04-08 05:47:00,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:47:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:47:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:47:00,176 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 05:47:00,177 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 05:47:00,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:47:00,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:47:00,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 05:47:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:47:00,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:47:00,434 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-08 05:47:00,434 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 05:47:00,435 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,435 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-08 05:47:00,436 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-08 05:47:00,436 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 05:47:00,437 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-08 05:47:00,437 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,437 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,440 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,440 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-08 05:47:00,440 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 05:47:00,440 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-08 05:47:00,441 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,442 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,442 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,442 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-08 05:47:00,442 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 05:47:00,442 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 05:47:00,442 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 05:47:00,443 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 05:47:00,443 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 05:47:00,443 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 05:47:00,443 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,443 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,444 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,444 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 05:47:00,444 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 05:47:00,444 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 05:47:00,445 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,445 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,445 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,445 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 05:47:00,445 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 05:47:00,446 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,446 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,446 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,446 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 05:47:00,446 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 05:47:00,447 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 05:47:00,447 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 05:47:00,447 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 05:47:00,447 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,447 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,447 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,448 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 05:47:00,448 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 05:47:00,448 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,448 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,448 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,448 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 05:47:00,448 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 05:47:00,449 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,449 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,449 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,449 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 05:47:00,449 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 05:47:00,449 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,449 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,449 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,450 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 05:47:00,450 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 05:47:00,451 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 05:47:00,451 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-08 05:47:00,451 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-08 05:47:00,451 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 05:47:00,451 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-08 05:47:00,451 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-08 05:47:00,451 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-08 05:47:00,452 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 05:47:00,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:47:00,704 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-08 05:47:00,704 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-08 05:47:00,704 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-08 05:47:00,704 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 05:47:00,704 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-08 05:47:00,705 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-08 05:47:00,705 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 05:47:00,705 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 05:47:00,706 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 05:47:00,706 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,706 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,706 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,706 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 05:47:00,707 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 05:47:00,707 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,707 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,707 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,707 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 05:47:00,708 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 05:47:00,708 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,708 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,708 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,708 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 05:47:00,709 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 05:47:00,709 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,710 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,710 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,710 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 05:47:00,710 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-08 05:47:00,710 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 05:47:00,711 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-08 05:47:00,711 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 05:47:00,711 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,711 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,711 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,712 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 05:47:00,712 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 05:47:00,712 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,712 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,712 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,712 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 05:47:00,713 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 05:47:00,713 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 05:47:00,713 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,713 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,714 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,714 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 05:47:00,714 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 05:47:00,715 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 05:47:00,715 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 05:47:00,715 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 05:47:00,715 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 05:47:00,715 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-08 05:47:00,715 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,715 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L272 TraceCheckUtils]: 12: Hoare triple {3744#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-08 05:47:00,716 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 05:47:00,716 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L272 TraceCheckUtils]: 6: Hoare triple {3744#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {3744#true} is VALID [2022-04-08 05:47:00,716 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 05:47:00,716 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-08 05:47:00,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-08 05:47:00,716 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 05:47:00,716 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-08 05:47:00,717 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 05:47:00,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:47:00,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783815247] [2022-04-08 05:47:00,717 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:47:00,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821005062] [2022-04-08 05:47:00,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821005062] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:47:00,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:47:00,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-08 05:47:00,717 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:47:00,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1628182456] [2022-04-08 05:47:00,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1628182456] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:47:00,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:47:00,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 05:47:00,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49981485] [2022-04-08 05:47:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:47:00,718 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 05:47:00,718 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:47:00,718 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 05:47:00,750 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 05:47:00,750 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 05:47:00,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:00,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 05:47:00,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-08 05:47:00,751 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 05:47:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:01,484 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-08 05:47:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 05:47:01,485 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 05:47:01,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:47:01,485 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 05:47:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-08 05:47:01,487 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 05:47:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-08 05:47:01,489 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-08 05:47:01,573 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 05:47:01,576 INFO L225 Difference]: With dead ends: 106 [2022-04-08 05:47:01,576 INFO L226 Difference]: Without dead ends: 98 [2022-04-08 05:47:01,577 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 05:47:01,577 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 05:47:01,577 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 05:47:01,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-08 05:47:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-08 05:47:01,696 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:47:01,696 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 05:47:01,698 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 05:47:01,705 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 05:47:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:01,708 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-08 05:47:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-08 05:47:01,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:01,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:01,710 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 05:47:01,711 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 05:47:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:01,715 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-08 05:47:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-08 05:47:01,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:01,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:01,716 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:47:01,716 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:47:01,716 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 05:47:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-08 05:47:01,719 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-08 05:47:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:47:01,720 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-08 05:47:01,720 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 05:47:01,721 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-08 05:47:01,876 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 05:47:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-08 05:47:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-08 05:47:01,876 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:47:01,876 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 05:47:01,894 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 05:47:02,077 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 05:47:02,077 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:47:02,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:47:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-08 05:47:02,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:02,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [873417352] [2022-04-08 05:47:02,078 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:47:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-08 05:47:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:47:02,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125844834] [2022-04-08 05:47:02,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:47:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:47:02,105 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:47:02,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035128373] [2022-04-08 05:47:02,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:47:02,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:47:02,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:47:02,106 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 05:47:02,108 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 05:47:02,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:47:02,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:47:02,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-08 05:47:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:47:02,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:47:02,452 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-08 05:47:02,452 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 05:47:02,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-08 05:47:02,452 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 05:47:02,452 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,452 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-08 05:47:02,453 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 05:47:02,453 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-08 05:47:02,453 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 05:47:02,453 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-08 05:47:02,453 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 05:47:02,453 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,453 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,454 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-08 05:47:02,455 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 05:47:02,455 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 05:47:02,455 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,455 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,455 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,456 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 05:47:02,456 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 05:47:02,456 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,456 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,456 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,456 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 05:47:02,457 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 05:47:02,457 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 05:47:02,457 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-08 05:47:02,457 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 05:47:02,458 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,458 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,458 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,458 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 05:47:02,458 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 05:47:02,458 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,458 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,458 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,459 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 05:47:02,459 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 05:47:02,459 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:02,460 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 05:47:02,460 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 05:47:02,461 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 05:47:02,461 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 05:47:02,461 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,461 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,461 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,462 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 05:47:02,462 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 05:47:02,463 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 05:47:02,463 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 05:47:02,463 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 05:47:02,464 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 05:47:02,464 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 05:47:02,464 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:02,464 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:02,464 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:02,465 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 05:47:02,466 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 05:47:02,466 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 05:47:02,466 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-08 05:47:02,466 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-08 05:47:02,467 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 05:47:02,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:47:16,737 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-08 05:47:16,737 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-08 05:47:16,738 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 05:47:16,738 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 05:47:16,739 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 05:47:16,739 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,739 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,739 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,739 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 05:47:16,739 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 05:47:16,740 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 05:47:16,740 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 05:47:16,741 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 05:47:16,741 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 05:47:16,741 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 05:47:16,742 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,742 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,742 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,742 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 05:47:16,742 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 05:47:16,743 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 05:47:16,743 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 05:47:16,743 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 05:47:16,743 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 05:47:16,743 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-08 05:47:16,743 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,744 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 05:47:16,744 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,744 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 05:47:16,744 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-08 05:47:16,744 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 05:47:16,744 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,744 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,744 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 05:47:16,745 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,745 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 05:47:16,745 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 05:47:16,745 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,745 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 05:47:16,745 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,745 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,745 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 05:47:16,746 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-08 05:47:16,746 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 05:47:16,746 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L272 TraceCheckUtils]: 6: Hoare triple {4762#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-08 05:47:16,746 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 05:47:16,746 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-08 05:47:16,746 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-08 05:47:16,746 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 05:47:16,747 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-08 05:47:16,747 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 05:47:16,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:47:16,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125844834] [2022-04-08 05:47:16,747 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:47:16,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035128373] [2022-04-08 05:47:16,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035128373] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:47:16,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:47:16,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-08 05:47:16,747 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:47:16,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [873417352] [2022-04-08 05:47:16,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [873417352] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:47:16,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:47:16,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-08 05:47:16,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421622365] [2022-04-08 05:47:16,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:47:16,748 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 05:47:16,748 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:47:16,748 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 05:47:16,783 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 05:47:16,783 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 05:47:16,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 05:47:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-08 05:47:16,784 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 05:47:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:17,601 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-08 05:47:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 05:47:17,601 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 05:47:17,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:47:17,602 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 05:47:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-08 05:47:17,603 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 05:47:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-08 05:47:17,604 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-08 05:47:17,673 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 05:47:17,675 INFO L225 Difference]: With dead ends: 124 [2022-04-08 05:47:17,675 INFO L226 Difference]: Without dead ends: 121 [2022-04-08 05:47:17,675 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 05:47:17,676 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 05:47:17,676 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 05:47:17,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-08 05:47:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-08 05:47:17,877 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:47:17,877 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 05:47:17,878 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 05:47:17,878 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 05:47:17,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:17,881 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-08 05:47:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-08 05:47:17,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:17,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:17,882 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 05:47:17,882 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 05:47:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:17,886 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-08 05:47:17,886 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-08 05:47:17,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:17,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:17,887 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:47:17,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:47:17,887 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 05:47:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-08 05:47:17,890 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-08 05:47:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:47:17,890 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-08 05:47:17,890 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 05:47:17,890 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-08 05:47:18,098 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 05:47:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-08 05:47:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-08 05:47:18,099 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:47:18,099 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 05:47:18,117 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 05:47:18,315 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 05:47:18,315 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:47:18,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:47:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-08 05:47:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:18,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2097974844] [2022-04-08 05:47:18,329 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:47:18,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-08 05:47:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:47:18,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98428576] [2022-04-08 05:47:18,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:47:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:47:18,353 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:47:18,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52626406] [2022-04-08 05:47:18,354 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 05:47:18,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:47:18,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:47:18,358 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 05:47:18,359 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 05:47:18,399 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 05:47:18,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:47:18,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 33 conjunts are in the unsatisfiable core [2022-04-08 05:47:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:47:18,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:47:19,157 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-08 05:47:19,157 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 05:47:19,157 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-08 05:47:19,157 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 05:47:19,157 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,157 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-08 05:47:19,157 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 05:47:19,158 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,158 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,158 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,158 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,158 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-08 05:47:19,158 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 05:47:19,158 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {6015#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 05:47:19,158 INFO L290 TraceCheckUtils]: 19: Hoare triple {6015#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {6019#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:47:19,159 INFO L290 TraceCheckUtils]: 20: Hoare triple {6019#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {6019#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:47:19,159 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {6019#(not (= |assume_abort_if_not_#in~cond| 0))} {5956#true} #83#return; {6026#(<= 1 main_~x~0)} is VALID [2022-04-08 05:47:19,159 INFO L272 TraceCheckUtils]: 22: Hoare triple {6026#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,159 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,159 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,159 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,168 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {6026#(<= 1 main_~x~0)} #85#return; {6026#(<= 1 main_~x~0)} is VALID [2022-04-08 05:47:19,169 INFO L290 TraceCheckUtils]: 27: Hoare triple {6026#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,169 INFO L272 TraceCheckUtils]: 28: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,169 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,169 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,169 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,170 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,170 INFO L272 TraceCheckUtils]: 33: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,170 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,170 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,170 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,170 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,171 INFO L290 TraceCheckUtils]: 38: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,171 INFO L290 TraceCheckUtils]: 39: Hoare triple {6045#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,172 INFO L290 TraceCheckUtils]: 40: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,172 INFO L272 TraceCheckUtils]: 41: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,172 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,172 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,172 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,173 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,173 INFO L272 TraceCheckUtils]: 46: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,173 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,173 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,173 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,174 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,174 INFO L272 TraceCheckUtils]: 51: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,174 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,174 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,174 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,174 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,175 INFO L272 TraceCheckUtils]: 56: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,175 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,175 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,175 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,175 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,176 INFO L290 TraceCheckUtils]: 61: Hoare triple {6082#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (<= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {6149#(and (= main_~r~0 0) (<= 1 main_~x~0) (< main_~c~0 main_~y~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:47:19,177 INFO L290 TraceCheckUtils]: 62: Hoare triple {6149#(and (= main_~r~0 0) (<= 1 main_~x~0) (< main_~c~0 main_~y~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,177 INFO L290 TraceCheckUtils]: 63: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,177 INFO L290 TraceCheckUtils]: 64: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,178 INFO L290 TraceCheckUtils]: 65: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,178 INFO L272 TraceCheckUtils]: 66: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,178 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,178 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,178 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,178 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,179 INFO L272 TraceCheckUtils]: 71: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,179 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,179 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,179 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,179 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {5956#true} {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:47:19,180 INFO L272 TraceCheckUtils]: 76: Hoare triple {6153#(and (= main_~s~0 0) (<= 1 main_~x~0) (< main_~x~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:47:19,181 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:19,181 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-08 05:47:19,181 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-08 05:47:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-08 05:47:19,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:47:19,649 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-08 05:47:19,650 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-08 05:47:19,650 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:19,651 INFO L272 TraceCheckUtils]: 76: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:47:19,651 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {5956#true} {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #93#return; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:47:19,651 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,651 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,651 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,651 INFO L272 TraceCheckUtils]: 71: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,652 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {5956#true} {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #91#return; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:47:19,652 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:19,652 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:19,652 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:19,652 INFO L272 TraceCheckUtils]: 66: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:19,653 INFO L290 TraceCheckUtils]: 65: Hoare triple {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !false; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:47:19,653 INFO L290 TraceCheckUtils]: 64: Hoare triple {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6216#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:47:19,653 INFO L290 TraceCheckUtils]: 63: Hoare triple {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} assume !false; {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} is VALID [2022-04-08 05:47:21,655 WARN L290 TraceCheckUtils]: 62: Hoare triple {6260#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (= main_~c~0 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {6253#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~b~0 0))} is UNKNOWN [2022-04-08 05:47:21,656 INFO L290 TraceCheckUtils]: 61: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !(~c~0 >= ~b~0); {6260#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,656 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #97#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,656 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,656 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,656 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,657 INFO L272 TraceCheckUtils]: 56: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,657 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #95#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,657 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,657 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,657 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,657 INFO L272 TraceCheckUtils]: 51: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,658 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #93#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,658 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,658 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,658 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,658 INFO L272 TraceCheckUtils]: 46: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,659 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {5956#true} {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} #91#return; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,659 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,659 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,659 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,659 INFO L272 TraceCheckUtils]: 41: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,660 INFO L290 TraceCheckUtils]: 40: Hoare triple {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} assume !false; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,660 INFO L290 TraceCheckUtils]: 39: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {6264#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (<= main_~b~0 main_~c~0) (= main_~c~0 0))} is VALID [2022-04-08 05:47:21,661 INFO L290 TraceCheckUtils]: 38: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} assume !false; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 05:47:21,661 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5956#true} {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} #89#return; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 05:47:21,661 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,661 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,661 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,661 INFO L272 TraceCheckUtils]: 33: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,662 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5956#true} {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} #87#return; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 05:47:21,662 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,662 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,662 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,662 INFO L272 TraceCheckUtils]: 28: Hoare triple {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 27: Hoare triple {5956#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {6331#(or (= main_~a~0 0) (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (<= main_~b~0 main_~a~0))} is VALID [2022-04-08 05:47:21,663 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,663 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 05:47:21,663 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,663 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 05:47:21,663 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,663 INFO L272 TraceCheckUtils]: 12: Hoare triple {5956#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,664 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 05:47:21,664 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L272 TraceCheckUtils]: 6: Hoare triple {5956#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {5956#true} is VALID [2022-04-08 05:47:21,664 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 05:47:21,664 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-08 05:47:21,664 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 05:47:21,664 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-08 05:47:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-04-08 05:47:21,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:47:21,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98428576] [2022-04-08 05:47:21,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:47:21,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52626406] [2022-04-08 05:47:21,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52626406] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:47:21,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:47:21,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2022-04-08 05:47:21,665 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:47:21,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2097974844] [2022-04-08 05:47:21,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2097974844] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:47:21,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:47:21,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-08 05:47:21,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710819349] [2022-04-08 05:47:21,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:47:21,666 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 80 [2022-04-08 05:47:21,666 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:47:21,666 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-08 05:47:21,707 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:47:21,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-08 05:47:21,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:21,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-08 05:47:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-04-08 05:47:21,708 INFO L87 Difference]: Start difference. First operand 118 states and 166 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-08 05:47:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:22,707 INFO L93 Difference]: Finished difference Result 130 states and 176 transitions. [2022-04-08 05:47:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-08 05:47:22,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 80 [2022-04-08 05:47:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:47:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-08 05:47:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-08 05:47:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-08 05:47:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-08 05:47:22,711 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 91 transitions. [2022-04-08 05:47:22,808 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 05:47:22,809 INFO L225 Difference]: With dead ends: 130 [2022-04-08 05:47:22,809 INFO L226 Difference]: Without dead ends: 128 [2022-04-08 05:47:22,810 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-04-08 05:47:22,811 INFO L913 BasicCegarLoop]: 46 mSDtfsCounter, 36 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 05:47:22,811 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 202 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 05:47:22,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-04-08 05:47:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2022-04-08 05:47:22,978 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:47:22,979 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:47:22,980 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:47:22,980 INFO L87 Difference]: Start difference. First operand 128 states. Second operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:47:22,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:22,983 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-08 05:47:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-08 05:47:22,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:22,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:22,983 INFO L74 IsIncluded]: Start isIncluded. First operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 128 states. [2022-04-08 05:47:22,983 INFO L87 Difference]: Start difference. First operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 128 states. [2022-04-08 05:47:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:47:22,987 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-08 05:47:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-08 05:47:22,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:47:22,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:47:22,988 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:47:22,988 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:47:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 70 states have internal predecessors, (81), 47 states have call successors, (47), 11 states have call predecessors, (47), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:47:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2022-04-08 05:47:22,991 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 80 [2022-04-08 05:47:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:47:22,991 INFO L478 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2022-04-08 05:47:22,991 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 9 states have internal predecessors, (25), 5 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2022-04-08 05:47:22,991 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 126 states and 172 transitions. [2022-04-08 05:47:23,243 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:47:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-04-08 05:47:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-08 05:47:23,244 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:47:23,244 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 05:47:23,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-04-08 05:47:23,444 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 05:47:23,444 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:47:23,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:47:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-08 05:47:23,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:47:23,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2136390993] [2022-04-08 05:47:23,445 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:47:23,445 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-08 05:47:23,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:47:23,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143187639] [2022-04-08 05:47:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:47:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:47:23,456 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:47:23,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268652090] [2022-04-08 05:47:23,456 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 05:47:23,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:47:23,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:47:23,457 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 05:47:23,458 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 05:47:23,506 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 05:47:23,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:47:23,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-08 05:47:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:47:23,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:47:24,292 INFO L272 TraceCheckUtils]: 0: Hoare triple {7227#true} call ULTIMATE.init(); {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {7227#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L290 TraceCheckUtils]: 2: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7227#true} {7227#true} #103#return; {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L272 TraceCheckUtils]: 4: Hoare triple {7227#true} call #t~ret6 := main(); {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L290 TraceCheckUtils]: 5: Hoare triple {7227#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L272 TraceCheckUtils]: 6: Hoare triple {7227#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,292 INFO L290 TraceCheckUtils]: 7: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 9: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7227#true} {7227#true} #79#return; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 11: Hoare triple {7227#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L272 TraceCheckUtils]: 12: Hoare triple {7227#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 13: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 14: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 15: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7227#true} {7227#true} #81#return; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L272 TraceCheckUtils]: 17: Hoare triple {7227#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 18: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 19: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 20: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7227#true} {7227#true} #83#return; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L272 TraceCheckUtils]: 22: Hoare triple {7227#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 23: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,293 INFO L290 TraceCheckUtils]: 24: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L290 TraceCheckUtils]: 25: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7227#true} {7227#true} #85#return; {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L290 TraceCheckUtils]: 27: Hoare triple {7227#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,294 INFO L272 TraceCheckUtils]: 28: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L290 TraceCheckUtils]: 29: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L290 TraceCheckUtils]: 30: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,294 INFO L290 TraceCheckUtils]: 31: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,296 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7227#true} {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #87#return; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,296 INFO L272 TraceCheckUtils]: 33: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,296 INFO L290 TraceCheckUtils]: 34: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,296 INFO L290 TraceCheckUtils]: 35: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,297 INFO L290 TraceCheckUtils]: 36: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,297 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {7227#true} {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #89#return; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,297 INFO L290 TraceCheckUtils]: 38: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,298 INFO L290 TraceCheckUtils]: 39: Hoare triple {7313#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,298 INFO L290 TraceCheckUtils]: 40: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} assume !false; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,298 INFO L272 TraceCheckUtils]: 41: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,298 INFO L290 TraceCheckUtils]: 42: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,298 INFO L290 TraceCheckUtils]: 43: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,298 INFO L290 TraceCheckUtils]: 44: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,299 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {7227#true} {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #91#return; {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} is VALID [2022-04-08 05:47:24,299 INFO L272 TraceCheckUtils]: 46: Hoare triple {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,299 INFO L290 TraceCheckUtils]: 47: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:24,299 INFO L290 TraceCheckUtils]: 48: Hoare triple {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:47:24,299 INFO L290 TraceCheckUtils]: 49: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:47:24,300 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} {7350#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0))} #93#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 05:47:24,300 INFO L272 TraceCheckUtils]: 51: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,300 INFO L290 TraceCheckUtils]: 52: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,300 INFO L290 TraceCheckUtils]: 53: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,300 INFO L290 TraceCheckUtils]: 54: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,301 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {7227#true} {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #95#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 05:47:24,301 INFO L272 TraceCheckUtils]: 56: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,301 INFO L290 TraceCheckUtils]: 57: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,301 INFO L290 TraceCheckUtils]: 58: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,301 INFO L290 TraceCheckUtils]: 59: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,301 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {7227#true} {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} #97#return; {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 05:47:24,302 INFO L290 TraceCheckUtils]: 61: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} assume !(~c~0 >= ~b~0); {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} is VALID [2022-04-08 05:47:24,303 INFO L290 TraceCheckUtils]: 62: Hoare triple {7386#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,303 INFO L290 TraceCheckUtils]: 63: Hoare triple {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,303 INFO L290 TraceCheckUtils]: 64: Hoare triple {7423#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~a~0 main_~y~0) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,304 INFO L290 TraceCheckUtils]: 65: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,304 INFO L272 TraceCheckUtils]: 66: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,304 INFO L290 TraceCheckUtils]: 67: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,304 INFO L290 TraceCheckUtils]: 68: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,304 INFO L290 TraceCheckUtils]: 69: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,304 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {7227#true} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,304 INFO L272 TraceCheckUtils]: 71: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,304 INFO L290 TraceCheckUtils]: 72: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-08 05:47:24,305 INFO L290 TraceCheckUtils]: 73: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-08 05:47:24,305 INFO L290 TraceCheckUtils]: 74: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-08 05:47:24,305 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {7227#true} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,305 INFO L272 TraceCheckUtils]: 76: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {7227#true} is VALID [2022-04-08 05:47:24,305 INFO L290 TraceCheckUtils]: 77: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:24,305 INFO L290 TraceCheckUtils]: 78: Hoare triple {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:47:24,306 INFO L290 TraceCheckUtils]: 79: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:47:24,306 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:47:24,308 INFO L272 TraceCheckUtils]: 81: Hoare triple {7430#(and (= main_~x~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~s~0 0) (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {7482#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:47:24,308 INFO L290 TraceCheckUtils]: 82: Hoare triple {7482#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7486#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:47:24,309 INFO L290 TraceCheckUtils]: 83: Hoare triple {7486#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7228#false} is VALID [2022-04-08 05:47:24,309 INFO L290 TraceCheckUtils]: 84: Hoare triple {7228#false} assume !false; {7228#false} is VALID [2022-04-08 05:47:24,309 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-04-08 05:47:24,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:48:10,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:48:10,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143187639] [2022-04-08 05:48:10,775 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:48:10,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268652090] [2022-04-08 05:48:10,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268652090] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 05:48:10,776 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 05:48:10,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-04-08 05:48:10,776 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:48:10,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2136390993] [2022-04-08 05:48:10,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2136390993] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:48:10,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:48:10,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-08 05:48:10,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286734100] [2022-04-08 05:48:10,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:48:10,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 85 [2022-04-08 05:48:10,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:48:10,777 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-08 05:48:10,829 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 05:48:10,829 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-08 05:48:10,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:10,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-08 05:48:10,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-08 05:48:10,830 INFO L87 Difference]: Start difference. First operand 126 states and 172 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-08 05:48:12,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:12,061 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-08 05:48:12,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 05:48:12,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 85 [2022-04-08 05:48:12,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:48:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-08 05:48:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-08 05:48:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-08 05:48:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-08 05:48:12,063 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 91 transitions. [2022-04-08 05:48:12,158 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 05:48:12,160 INFO L225 Difference]: With dead ends: 134 [2022-04-08 05:48:12,161 INFO L226 Difference]: Without dead ends: 132 [2022-04-08 05:48:12,161 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-04-08 05:48:12,161 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 05:48:12,161 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 199 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 05:48:12,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-08 05:48:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-08 05:48:12,345 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:48:12,345 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 05:48:12,345 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 05:48:12,346 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 05:48:12,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:12,349 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-08 05:48:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-08 05:48:12,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:12,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:12,349 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 05:48:12,350 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 05:48:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:12,352 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-08 05:48:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-08 05:48:12,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:12,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:12,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:48:12,353 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:48:12,353 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 05:48:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-08 05:48:12,356 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 85 [2022-04-08 05:48:12,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:48:12,356 INFO L478 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-08 05:48:12,356 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-04-08 05:48:12,356 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-08 05:48:12,613 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 05:48:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-08 05:48:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-08 05:48:12,614 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:48:12,614 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 05:48:12,631 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 05:48:12,815 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 05:48:12,815 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:48:12,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:48:12,815 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-08 05:48:12,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:12,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1091037111] [2022-04-08 05:48:12,816 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:48:12,816 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-08 05:48:12,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:48:12,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842513894] [2022-04-08 05:48:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:48:12,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:48:12,826 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:48:12,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241600742] [2022-04-08 05:48:12,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:48:12,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:48:12,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:48:12,827 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 05:48:12,828 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 05:48:12,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:48:12,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:48:12,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-08 05:48:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:48:12,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:48:13,575 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L290 TraceCheckUtils]: 1: Hoare triple {8307#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L290 TraceCheckUtils]: 5: Hoare triple {8307#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8307#true} is VALID [2022-04-08 05:48:13,575 INFO L272 TraceCheckUtils]: 6: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {8307#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L272 TraceCheckUtils]: 12: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L272 TraceCheckUtils]: 17: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-08 05:48:13,576 INFO L272 TraceCheckUtils]: 22: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 27: Hoare triple {8307#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,577 INFO L272 TraceCheckUtils]: 28: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,577 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,578 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8307#true} {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,578 INFO L272 TraceCheckUtils]: 33: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,578 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,578 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,578 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,579 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8307#true} {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,579 INFO L290 TraceCheckUtils]: 38: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,580 INFO L290 TraceCheckUtils]: 39: Hoare triple {8393#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,580 INFO L290 TraceCheckUtils]: 40: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,580 INFO L272 TraceCheckUtils]: 41: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,580 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,580 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,581 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,581 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,581 INFO L272 TraceCheckUtils]: 46: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,581 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,582 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,582 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,582 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,583 INFO L272 TraceCheckUtils]: 51: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,583 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,583 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,583 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,583 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,584 INFO L272 TraceCheckUtils]: 56: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,584 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,584 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,584 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,585 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8307#true} {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,585 INFO L290 TraceCheckUtils]: 61: Hoare triple {8430#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,586 INFO L290 TraceCheckUtils]: 62: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !false; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,586 INFO L272 TraceCheckUtils]: 63: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,586 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,586 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,586 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,587 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #91#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,587 INFO L272 TraceCheckUtils]: 68: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,587 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,587 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,587 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,588 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #93#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,588 INFO L272 TraceCheckUtils]: 73: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,588 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,588 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,588 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,589 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,589 INFO L272 TraceCheckUtils]: 78: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:13,589 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:13,589 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:13,589 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:13,590 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8307#true} {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,590 INFO L290 TraceCheckUtils]: 83: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:13,591 INFO L290 TraceCheckUtils]: 84: Hoare triple {8497#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ main_~x~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 05:48:13,591 INFO L290 TraceCheckUtils]: 85: Hoare triple {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !false; {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 05:48:13,592 INFO L290 TraceCheckUtils]: 86: Hoare triple {8567#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} assume !(0 != ~b~0); {8574#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} is VALID [2022-04-08 05:48:13,592 INFO L272 TraceCheckUtils]: 87: Hoare triple {8574#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) 0) (= main_~q~0 1) (= (+ main_~s~0 1) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:48:13,593 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:13,593 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-08 05:48:13,593 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-08 05:48:13,594 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 05:48:13,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:48:14,045 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-08 05:48:14,045 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-08 05:48:14,045 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:14,046 INFO L272 TraceCheckUtils]: 87: Hoare triple {8598#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:48:14,046 INFO L290 TraceCheckUtils]: 86: Hoare triple {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {8598#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-08 05:48:14,047 INFO L290 TraceCheckUtils]: 85: Hoare triple {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 05:48:16,048 WARN L290 TraceCheckUtils]: 84: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {8602#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is UNKNOWN [2022-04-08 05:48:16,049 INFO L290 TraceCheckUtils]: 83: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !(~c~0 >= ~b~0); {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,050 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,050 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,050 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,050 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,051 INFO L272 TraceCheckUtils]: 78: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,051 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,052 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,052 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,052 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,052 INFO L272 TraceCheckUtils]: 73: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,053 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #93#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,053 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,053 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,053 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,053 INFO L272 TraceCheckUtils]: 68: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,054 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {8307#true} {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,054 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,054 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,054 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,054 INFO L272 TraceCheckUtils]: 63: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,055 INFO L290 TraceCheckUtils]: 62: Hoare triple {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,380 INFO L290 TraceCheckUtils]: 61: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:48:16,381 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #97#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,381 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,381 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,381 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,381 INFO L272 TraceCheckUtils]: 56: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,382 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #95#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,382 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,382 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,382 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,382 INFO L272 TraceCheckUtils]: 51: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,383 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #93#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,383 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,383 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,383 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,383 INFO L272 TraceCheckUtils]: 46: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,384 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {8307#true} {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} #91#return; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,384 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,384 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,384 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,384 INFO L272 TraceCheckUtils]: 41: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,385 INFO L290 TraceCheckUtils]: 40: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,385 INFO L290 TraceCheckUtils]: 39: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,386 INFO L290 TraceCheckUtils]: 38: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} assume !false; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,386 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {8307#true} {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #89#return; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,386 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,386 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,386 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,386 INFO L272 TraceCheckUtils]: 33: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,387 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8307#true} {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} #87#return; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,387 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,387 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,387 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,387 INFO L272 TraceCheckUtils]: 28: Hoare triple {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 27: Hoare triple {8307#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {8746#(or (= (+ (* main_~q~0 main_~x~0 1) (* main_~y~0 main_~s~0 1)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) 0)))} is VALID [2022-04-08 05:48:16,388 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L272 TraceCheckUtils]: 22: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L272 TraceCheckUtils]: 17: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,388 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L272 TraceCheckUtils]: 12: Hoare triple {8307#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 11: Hoare triple {8307#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L272 TraceCheckUtils]: 6: Hoare triple {8307#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 5: Hoare triple {8307#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L290 TraceCheckUtils]: 1: Hoare triple {8307#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {8307#true} is VALID [2022-04-08 05:48:16,389 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-08 05:48:16,390 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 05:48:16,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:48:16,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842513894] [2022-04-08 05:48:16,390 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:48:16,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241600742] [2022-04-08 05:48:16,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241600742] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:48:16,390 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:48:16,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-08 05:48:16,390 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:48:16,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1091037111] [2022-04-08 05:48:16,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1091037111] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:48:16,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:48:16,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-08 05:48:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897467863] [2022-04-08 05:48:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:48:16,391 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 05:48:16,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:48:16,391 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 05:48:16,439 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 05:48:16,439 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-08 05:48:16,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-08 05:48:16,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-08 05:48:16,440 INFO L87 Difference]: Start difference. First operand 130 states and 175 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-04-08 05:48:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:17,810 INFO L93 Difference]: Finished difference Result 157 states and 211 transitions. [2022-04-08 05:48:17,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 05:48:17,810 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 05:48:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:48:17,811 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 05:48:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-08 05:48:17,812 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 05:48:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-08 05:48:17,813 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-08 05:48:17,922 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 05:48:17,925 INFO L225 Difference]: With dead ends: 157 [2022-04-08 05:48:17,925 INFO L226 Difference]: Without dead ends: 154 [2022-04-08 05:48:17,925 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 05:48:17,926 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 05:48:17,926 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 05:48:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-04-08 05:48:18,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2022-04-08 05:48:18,140 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:48:18,140 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:18,140 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:18,141 INFO L87 Difference]: Start difference. First operand 154 states. Second operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:18,146 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-08 05:48:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-08 05:48:18,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:18,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:18,147 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 154 states. [2022-04-08 05:48:18,147 INFO L87 Difference]: Start difference. First operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 154 states. [2022-04-08 05:48:18,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:18,150 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-08 05:48:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-08 05:48:18,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:18,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:18,151 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:48:18,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:48:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 84 states have (on average 1.1785714285714286) internal successors, (99), 86 states have internal predecessors, (99), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 206 transitions. [2022-04-08 05:48:18,158 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 206 transitions. Word has length 91 [2022-04-08 05:48:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:48:18,158 INFO L478 AbstractCegarLoop]: Abstraction has 153 states and 206 transitions. [2022-04-08 05:48:18,158 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 05:48:18,158 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 153 states and 206 transitions. [2022-04-08 05:48:18,482 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:48:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2022-04-08 05:48:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-08 05:48:18,483 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:48:18,484 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 05:48:18,502 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 05:48:18,691 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 05:48:18,691 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:48:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:48:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-08 05:48:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:18,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [844510313] [2022-04-08 05:48:18,692 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:48:18,692 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-08 05:48:18,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:48:18,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353779957] [2022-04-08 05:48:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:48:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:48:18,705 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:48:18,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092299944] [2022-04-08 05:48:18,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:48:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:48:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:48:18,706 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 05:48:18,707 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 05:48:18,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:48:18,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:48:18,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 05:48:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:48:18,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:48:18,899 INFO L272 TraceCheckUtils]: 0: Hoare triple {9802#true} call ULTIMATE.init(); {9802#true} is VALID [2022-04-08 05:48:18,899 INFO L290 TraceCheckUtils]: 1: Hoare triple {9802#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {9802#true} is VALID [2022-04-08 05:48:18,899 INFO L290 TraceCheckUtils]: 2: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,899 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9802#true} {9802#true} #103#return; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L272 TraceCheckUtils]: 4: Hoare triple {9802#true} call #t~ret6 := main(); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 5: Hoare triple {9802#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L272 TraceCheckUtils]: 6: Hoare triple {9802#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 7: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 8: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 9: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9802#true} {9802#true} #79#return; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {9802#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L272 TraceCheckUtils]: 12: Hoare triple {9802#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 13: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 14: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 15: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9802#true} {9802#true} #81#return; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L272 TraceCheckUtils]: 17: Hoare triple {9802#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 18: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 19: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L290 TraceCheckUtils]: 20: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,900 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9802#true} {9802#true} #83#return; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L272 TraceCheckUtils]: 22: Hoare triple {9802#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 23: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 24: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 25: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9802#true} {9802#true} #85#return; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 27: Hoare triple {9802#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L272 TraceCheckUtils]: 28: Hoare triple {9802#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 29: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 30: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 31: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9802#true} {9802#true} #87#return; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L272 TraceCheckUtils]: 33: Hoare triple {9802#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 34: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 35: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 36: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9802#true} {9802#true} #89#return; {9802#true} is VALID [2022-04-08 05:48:18,901 INFO L290 TraceCheckUtils]: 38: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 39: Hoare triple {9802#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 40: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L272 TraceCheckUtils]: 41: Hoare triple {9802#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 42: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 43: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 44: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9802#true} {9802#true} #91#return; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L272 TraceCheckUtils]: 46: Hoare triple {9802#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 47: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 48: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 49: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9802#true} {9802#true} #93#return; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L272 TraceCheckUtils]: 51: Hoare triple {9802#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 52: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 53: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L290 TraceCheckUtils]: 54: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,902 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9802#true} {9802#true} #95#return; {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L272 TraceCheckUtils]: 56: Hoare triple {9802#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 57: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 58: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 59: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9802#true} {9802#true} #97#return; {9802#true} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 61: Hoare triple {9802#true} assume !(~c~0 >= ~b~0); {9990#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 62: Hoare triple {9990#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {9994#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:48:18,903 INFO L290 TraceCheckUtils]: 63: Hoare triple {9994#(< main_~b~0 main_~a~0)} assume !false; {9994#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:48:18,904 INFO L290 TraceCheckUtils]: 64: Hoare triple {9994#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,904 INFO L290 TraceCheckUtils]: 65: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !false; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,904 INFO L272 TraceCheckUtils]: 66: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,904 INFO L290 TraceCheckUtils]: 67: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,904 INFO L290 TraceCheckUtils]: 68: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,904 INFO L290 TraceCheckUtils]: 69: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,904 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #91#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,904 INFO L272 TraceCheckUtils]: 71: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 72: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 73: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 74: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #93#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,905 INFO L272 TraceCheckUtils]: 76: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 77: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 78: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,905 INFO L290 TraceCheckUtils]: 79: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,906 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #95#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,906 INFO L272 TraceCheckUtils]: 81: Hoare triple {10001#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {9802#true} is VALID [2022-04-08 05:48:18,906 INFO L290 TraceCheckUtils]: 82: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-08 05:48:18,906 INFO L290 TraceCheckUtils]: 83: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-08 05:48:18,906 INFO L290 TraceCheckUtils]: 84: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-08 05:48:18,906 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {9802#true} {10001#(< main_~b~0 main_~c~0)} #97#return; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 86: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !(~c~0 >= ~b~0); {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 87: Hoare triple {9803#false} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 88: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 89: Hoare triple {9803#false} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 90: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L272 TraceCheckUtils]: 91: Hoare triple {9803#false} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 92: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 93: Hoare triple {9803#false} assume !(0 == ~cond); {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 94: Hoare triple {9803#false} assume true; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9803#false} {9803#false} #91#return; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L272 TraceCheckUtils]: 96: Hoare triple {9803#false} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 97: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 98: Hoare triple {9803#false} assume 0 == ~cond; {9803#false} is VALID [2022-04-08 05:48:18,907 INFO L290 TraceCheckUtils]: 99: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-08 05:48:18,908 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 05:48:18,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 05:48:18,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:48:18,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353779957] [2022-04-08 05:48:18,908 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:48:18,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092299944] [2022-04-08 05:48:18,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092299944] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:48:18,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:48:18,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:48:18,908 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:48:18,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [844510313] [2022-04-08 05:48:18,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [844510313] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:48:18,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:48:18,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 05:48:18,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995738190] [2022-04-08 05:48:18,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:48:18,909 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 05:48:18,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:48:18,909 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 05:48:18,944 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 05:48:18,944 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 05:48:18,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:18,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 05:48:18,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 05:48:18,945 INFO L87 Difference]: Start difference. First operand 153 states and 206 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-04-08 05:48:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:19,260 INFO L93 Difference]: Finished difference Result 201 states and 280 transitions. [2022-04-08 05:48:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 05:48:19,261 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 05:48:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:48:19,261 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 05:48:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-08 05:48:19,263 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 05:48:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-08 05:48:19,264 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-08 05:48:19,326 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 05:48:19,329 INFO L225 Difference]: With dead ends: 201 [2022-04-08 05:48:19,329 INFO L226 Difference]: Without dead ends: 156 [2022-04-08 05:48:19,331 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 05:48:19,332 INFO L913 BasicCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 05:48:19,332 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 05:48:19,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-04-08 05:48:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 147. [2022-04-08 05:48:19,547 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:48:19,548 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:19,548 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:19,548 INFO L87 Difference]: Start difference. First operand 156 states. Second operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:19,551 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-08 05:48:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-08 05:48:19,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:19,552 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:19,552 INFO L74 IsIncluded]: Start isIncluded. First operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 156 states. [2022-04-08 05:48:19,552 INFO L87 Difference]: Start difference. First operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand 156 states. [2022-04-08 05:48:19,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:48:19,555 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-08 05:48:19,556 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-08 05:48:19,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:48:19,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:48:19,556 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:48:19,556 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:48:19,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 55 states have call successors, (55), 14 states have call predecessors, (55), 13 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-04-08 05:48:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2022-04-08 05:48:19,591 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 195 transitions. Word has length 100 [2022-04-08 05:48:19,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:48:19,592 INFO L478 AbstractCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-04-08 05:48:19,592 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 05:48:19,592 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 147 states and 195 transitions. [2022-04-08 05:48:19,870 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:48:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 195 transitions. [2022-04-08 05:48:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-08 05:48:19,871 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:48:19,871 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 05:48:19,905 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 05:48:20,087 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 05:48:20,088 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:48:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:48:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-08 05:48:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:48:20,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1707317693] [2022-04-08 05:48:20,089 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:48:20,089 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-08 05:48:20,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:48:20,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672871087] [2022-04-08 05:48:20,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:48:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:48:20,100 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:48:20,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311840560] [2022-04-08 05:48:20,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:48:20,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:48:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:48:20,101 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 05:48:20,102 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 05:48:20,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:48:20,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:48:20,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-08 05:48:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:48:20,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:48:21,498 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L290 TraceCheckUtils]: 1: Hoare triple {11118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L290 TraceCheckUtils]: 5: Hoare triple {11118#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L272 TraceCheckUtils]: 6: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,498 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 11: Hoare triple {11118#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L272 TraceCheckUtils]: 12: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L272 TraceCheckUtils]: 17: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,499 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11177#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 05:48:21,500 INFO L290 TraceCheckUtils]: 19: Hoare triple {11177#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {11181#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:48:21,500 INFO L290 TraceCheckUtils]: 20: Hoare triple {11181#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {11181#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:48:21,500 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11181#(not (= |assume_abort_if_not_#in~cond| 0))} {11118#true} #83#return; {11188#(<= 1 main_~x~0)} is VALID [2022-04-08 05:48:21,500 INFO L272 TraceCheckUtils]: 22: Hoare triple {11188#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,500 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,500 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,500 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,501 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11188#(<= 1 main_~x~0)} #85#return; {11188#(<= 1 main_~x~0)} is VALID [2022-04-08 05:48:21,501 INFO L290 TraceCheckUtils]: 27: Hoare triple {11188#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,501 INFO L272 TraceCheckUtils]: 28: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,501 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,501 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,501 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,502 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11118#true} {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,502 INFO L272 TraceCheckUtils]: 33: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,502 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,502 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,502 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,502 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11118#true} {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,503 INFO L290 TraceCheckUtils]: 38: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,503 INFO L290 TraceCheckUtils]: 39: Hoare triple {11207#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,503 INFO L290 TraceCheckUtils]: 40: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,503 INFO L272 TraceCheckUtils]: 41: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,503 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,504 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,504 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,505 INFO L272 TraceCheckUtils]: 46: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,505 INFO L272 TraceCheckUtils]: 51: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,505 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,506 INFO L272 TraceCheckUtils]: 56: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,506 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,507 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11118#true} {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,508 INFO L290 TraceCheckUtils]: 61: Hoare triple {11244#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,508 INFO L290 TraceCheckUtils]: 62: Hoare triple {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,508 INFO L272 TraceCheckUtils]: 63: Hoare triple {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,508 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:21,509 INFO L290 TraceCheckUtils]: 65: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,509 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,510 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11311#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (- 1) main_~k~0) 0) (<= main_~b~0 main_~a~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,510 INFO L272 TraceCheckUtils]: 68: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,510 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,510 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,510 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,510 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11118#true} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #93#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,510 INFO L272 TraceCheckUtils]: 73: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,511 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:21,511 INFO L290 TraceCheckUtils]: 75: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,511 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,512 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,512 INFO L272 TraceCheckUtils]: 78: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,512 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:21,512 INFO L290 TraceCheckUtils]: 80: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,512 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,513 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,513 INFO L290 TraceCheckUtils]: 83: Hoare triple {11332#(and (= main_~r~0 0) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~k~0 1) (<= main_~b~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {11381#(and (= main_~r~0 0) (<= main_~y~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} is VALID [2022-04-08 05:48:21,514 INFO L290 TraceCheckUtils]: 84: Hoare triple {11381#(and (= main_~r~0 0) (<= main_~y~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (< main_~c~0 main_~y~0) (= main_~s~0 1) (= main_~k~0 1) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,514 INFO L290 TraceCheckUtils]: 85: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,515 INFO L290 TraceCheckUtils]: 86: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,515 INFO L290 TraceCheckUtils]: 87: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} assume !false; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,515 INFO L272 TraceCheckUtils]: 88: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,515 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,515 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,515 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,516 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11118#true} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #91#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,516 INFO L272 TraceCheckUtils]: 93: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,516 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:48:21,516 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:48:21,516 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:48:21,516 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11118#true} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #93#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,516 INFO L272 TraceCheckUtils]: 98: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:48:21,517 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:21,517 INFO L290 TraceCheckUtils]: 100: Hoare triple {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,517 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:48:21,517 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} #95#return; {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} is VALID [2022-04-08 05:48:21,519 INFO L272 TraceCheckUtils]: 103: Hoare triple {11385#(and (= (+ main_~x~0 (* (- 1) main_~y~0)) main_~b~0) (< main_~x~0 (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= (+ main_~s~0 1) 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (<= main_~y~0 main_~x~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:48:21,519 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:48:21,519 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-08 05:48:21,519 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-08 05:48:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 87 proven. 52 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-04-08 05:48:21,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:50:33,311 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-08 05:50:33,312 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-08 05:50:33,312 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:50:33,313 INFO L272 TraceCheckUtils]: 103: Hoare triple {11463#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:50:33,314 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {11463#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-08 05:50:33,315 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:33,315 INFO L290 TraceCheckUtils]: 100: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:33,315 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:50:33,315 INFO L272 TraceCheckUtils]: 98: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:33,316 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {11118#true} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:50:33,316 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:33,316 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:33,316 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:33,317 INFO L272 TraceCheckUtils]: 93: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:33,317 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {11118#true} {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:50:33,317 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:33,317 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:33,318 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:33,318 INFO L272 TraceCheckUtils]: 88: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:33,318 INFO L290 TraceCheckUtils]: 87: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:50:33,319 INFO L290 TraceCheckUtils]: 86: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:50:33,319 INFO L290 TraceCheckUtils]: 85: Hoare triple {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:50:35,321 WARN L290 TraceCheckUtils]: 84: Hoare triple {11523#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {11467#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-08 05:50:35,322 INFO L290 TraceCheckUtils]: 83: Hoare triple {11527#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {11523#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:50:35,323 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {11527#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:50:35,324 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,324 INFO L290 TraceCheckUtils]: 80: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,324 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:50:35,325 INFO L272 TraceCheckUtils]: 78: Hoare triple {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:35,326 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {11531#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:50:35,326 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,326 INFO L290 TraceCheckUtils]: 75: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,327 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:50:35,327 INFO L272 TraceCheckUtils]: 73: Hoare triple {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:35,328 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {11118#true} {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:50:35,328 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:35,328 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:35,328 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:35,328 INFO L272 TraceCheckUtils]: 68: Hoare triple {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:35,329 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {11547#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:50:35,330 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,330 INFO L290 TraceCheckUtils]: 65: Hoare triple {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:35,330 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11477#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:50:35,331 INFO L272 TraceCheckUtils]: 63: Hoare triple {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:35,331 INFO L290 TraceCheckUtils]: 62: Hoare triple {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:50:37,334 WARN L290 TraceCheckUtils]: 61: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is UNKNOWN [2022-04-08 05:50:37,335 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #97#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,335 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,335 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,335 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,335 INFO L272 TraceCheckUtils]: 56: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,336 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #95#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,336 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,336 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,336 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,336 INFO L272 TraceCheckUtils]: 51: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,337 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #93#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,337 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,337 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,337 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,337 INFO L272 TraceCheckUtils]: 46: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,338 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {11118#true} {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} #91#return; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,338 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,338 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,338 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,338 INFO L272 TraceCheckUtils]: 41: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,339 INFO L290 TraceCheckUtils]: 40: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} assume !false; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,340 INFO L290 TraceCheckUtils]: 39: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} is VALID [2022-04-08 05:50:37,341 INFO L290 TraceCheckUtils]: 38: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-08 05:50:37,342 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11118#true} {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} #89#return; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-08 05:50:37,342 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,342 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,342 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,342 INFO L272 TraceCheckUtils]: 33: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,343 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {11118#true} {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} #87#return; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-08 05:50:37,343 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,343 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,343 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,343 INFO L272 TraceCheckUtils]: 28: Hoare triple {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 27: Hoare triple {11118#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {11664#(or (not (<= main_~b~0 main_~a~0)) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-08 05:50:37,344 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11118#true} #85#return; {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L272 TraceCheckUtils]: 22: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11118#true} {11118#true} #83#return; {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 20: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 19: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,344 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L272 TraceCheckUtils]: 17: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L272 TraceCheckUtils]: 12: Hoare triple {11118#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L290 TraceCheckUtils]: 11: Hoare triple {11118#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {11118#true} is VALID [2022-04-08 05:50:37,345 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L272 TraceCheckUtils]: 6: Hoare triple {11118#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 5: Hoare triple {11118#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {11118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {11118#true} is VALID [2022-04-08 05:50:37,358 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-08 05:50:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 81 proven. 43 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-04-08 05:50:37,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:50:37,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672871087] [2022-04-08 05:50:37,359 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:50:37,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311840560] [2022-04-08 05:50:37,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311840560] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:50:37,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:50:37,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-08 05:50:37,360 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:50:37,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1707317693] [2022-04-08 05:50:37,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1707317693] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:50:37,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:50:37,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-08 05:50:37,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095720026] [2022-04-08 05:50:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:50:37,361 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-08 05:50:37,361 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:50:37,361 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 05:50:37,433 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 05:50:37,433 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-08 05:50:37,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:50:37,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-08 05:50:37,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=474, Unknown=1, NotChecked=0, Total=600 [2022-04-08 05:50:37,434 INFO L87 Difference]: Start difference. First operand 147 states and 195 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 05:50:40,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:50:40,787 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2022-04-08 05:50:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-08 05:50:40,787 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) Word has length 107 [2022-04-08 05:50:40,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:50:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 05:50:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-08 05:50:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 12 states have internal predecessors, (30), 7 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (18), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 05:50:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-08 05:50:40,789 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-08 05:50:40,907 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 05:50:40,909 INFO L225 Difference]: With dead ends: 154 [2022-04-08 05:50:40,909 INFO L226 Difference]: Without dead ends: 152 [2022-04-08 05:50:40,909 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=158, Invalid=653, Unknown=1, NotChecked=0, Total=812 [2022-04-08 05:50:40,910 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 38 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-08 05:50:40,910 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 197 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-08 05:50:40,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-04-08 05:50:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 128. [2022-04-08 05:50:41,127 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:50:41,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:50:41,127 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:50:41,127 INFO L87 Difference]: Start difference. First operand 152 states. Second operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:50:41,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:50:41,130 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-08 05:50:41,130 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-08 05:50:41,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:50:41,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:50:41,131 INFO L74 IsIncluded]: Start isIncluded. First operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 152 states. [2022-04-08 05:50:41,131 INFO L87 Difference]: Start difference. First operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand 152 states. [2022-04-08 05:50:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:50:41,134 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-08 05:50:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-08 05:50:41,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:50:41,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:50:41,134 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:50:41,134 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:50:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 47 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-04-08 05:50:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions. [2022-04-08 05:50:41,137 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 107 [2022-04-08 05:50:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:50:41,137 INFO L478 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions. [2022-04-08 05:50:41,137 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), 6 states have call predecessors, (18), 7 states have call successors, (18) [2022-04-08 05:50:41,137 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 128 states and 168 transitions. [2022-04-08 05:50:41,446 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:50:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2022-04-08 05:50:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-08 05:50:41,447 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:50:41,447 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 05:50:41,466 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 05:50:41,648 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 05:50:41,648 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:50:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:50:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-08 05:50:41,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:50:41,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1463949877] [2022-04-08 05:50:41,649 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:50:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-08 05:50:41,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:50:41,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858319562] [2022-04-08 05:50:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:50:41,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:50:41,660 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:50:41,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977951447] [2022-04-08 05:50:41,660 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 05:50:41,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:50:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:50:41,661 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 05:50:41,661 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 05:50:41,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 05:50:41,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:50:41,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-08 05:50:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:50:41,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:50:43,039 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 1: Hoare triple {12660#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 5: Hoare triple {12660#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L272 TraceCheckUtils]: 6: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 11: Hoare triple {12660#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L272 TraceCheckUtils]: 12: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,040 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L272 TraceCheckUtils]: 17: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L272 TraceCheckUtils]: 22: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,041 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-08 05:50:43,042 INFO L290 TraceCheckUtils]: 27: Hoare triple {12660#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,042 INFO L272 TraceCheckUtils]: 28: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,042 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,042 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,042 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,043 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12660#true} {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,043 INFO L272 TraceCheckUtils]: 33: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,043 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,043 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,043 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,043 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12660#true} {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,044 INFO L290 TraceCheckUtils]: 38: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,044 INFO L290 TraceCheckUtils]: 39: Hoare triple {12746#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,045 INFO L290 TraceCheckUtils]: 40: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,045 INFO L272 TraceCheckUtils]: 41: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,045 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,045 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,045 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,046 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,046 INFO L272 TraceCheckUtils]: 46: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,046 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,046 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,046 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,046 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,047 INFO L272 TraceCheckUtils]: 51: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,047 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,047 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,047 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,047 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,048 INFO L272 TraceCheckUtils]: 56: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,048 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,048 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,048 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,048 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12660#true} {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,049 INFO L290 TraceCheckUtils]: 61: Hoare triple {12783#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,050 INFO L290 TraceCheckUtils]: 62: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,050 INFO L272 TraceCheckUtils]: 63: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,050 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,050 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,050 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,051 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,051 INFO L272 TraceCheckUtils]: 68: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,051 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,051 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,051 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,052 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,052 INFO L272 TraceCheckUtils]: 73: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,052 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,052 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,052 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,053 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,053 INFO L272 TraceCheckUtils]: 78: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,053 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,053 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,053 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,054 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12660#true} {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,054 INFO L290 TraceCheckUtils]: 83: Hoare triple {12850#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= main_~b~0 main_~y~0) (= main_~k~0 1) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,055 INFO L290 TraceCheckUtils]: 84: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,055 INFO L272 TraceCheckUtils]: 85: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,055 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:50:43,055 INFO L290 TraceCheckUtils]: 87: Hoare triple {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:43,056 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:43,056 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,057 INFO L272 TraceCheckUtils]: 90: Hoare triple {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,057 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:50:43,057 INFO L290 TraceCheckUtils]: 92: Hoare triple {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:43,057 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:50:43,058 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {12917#(and (= main_~r~0 0) (= (+ (- 1) main_~k~0) 1) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= (+ main_~c~0 (* main_~b~0 2)) main_~a~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,059 INFO L272 TraceCheckUtils]: 95: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,059 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,059 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,059 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,059 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12660#true} {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #95#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,059 INFO L272 TraceCheckUtils]: 100: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:50:43,060 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:50:43,060 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:50:43,060 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:50:43,060 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12660#true} {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} #97#return; {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,061 INFO L290 TraceCheckUtils]: 105: Hoare triple {12953#(and (= main_~r~0 0) (= main_~s~0 1) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~k~0 2) (= main_~q~0 0) (= (+ main_~c~0 (* main_~b~0 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {12987#(and (= main_~r~0 0) (= main_~s~0 1) (not (<= main_~y~0 main_~c~0)) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= 0 main_~c~0) (= main_~k~0 2) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:50:43,062 INFO L290 TraceCheckUtils]: 106: Hoare triple {12987#(and (= main_~r~0 0) (= main_~s~0 1) (not (<= main_~y~0 main_~c~0)) (= (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)) (+ main_~c~0 (* main_~y~0 2))) (<= 0 main_~c~0) (= main_~k~0 2) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} is VALID [2022-04-08 05:50:43,062 INFO L290 TraceCheckUtils]: 107: Hoare triple {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} assume !false; {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} is VALID [2022-04-08 05:50:43,063 INFO L290 TraceCheckUtils]: 108: Hoare triple {12991#(and (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (<= 0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (= (+ main_~s~0 2) 0) (not (<= main_~y~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (= main_~q~0 1))} assume !(0 != ~b~0); {12998#(and (= (+ main_~s~0 2) 0) (< (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 05:50:43,063 INFO L272 TraceCheckUtils]: 109: Hoare triple {12998#(and (= (+ main_~s~0 2) 0) (< (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) main_~y~0) (= main_~q~0 1) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:50:43,064 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:50:43,064 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-08 05:50:43,064 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-08 05:50:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-08 05:50:43,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:52:04,832 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-08 05:52:04,833 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-08 05:52:04,833 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:04,834 INFO L272 TraceCheckUtils]: 109: Hoare triple {13022#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:52:04,835 INFO L290 TraceCheckUtils]: 108: Hoare triple {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !(0 != ~b~0); {13022#(= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0)} is VALID [2022-04-08 05:52:04,836 INFO L290 TraceCheckUtils]: 107: Hoare triple {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} assume !false; {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-08 05:52:06,837 WARN L290 TraceCheckUtils]: 106: Hoare triple {13033#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is UNKNOWN [2022-04-08 05:52:06,838 INFO L290 TraceCheckUtils]: 105: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !(~c~0 >= ~b~0); {13033#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:06,839 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {12660#true} {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #97#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:06,839 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:06,839 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:06,839 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:06,839 INFO L272 TraceCheckUtils]: 100: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:06,840 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {12660#true} {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #95#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:06,840 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:06,840 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:06,840 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:06,840 INFO L272 TraceCheckUtils]: 95: Hoare triple {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:06,841 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #93#return; {13037#(or (not (= main_~c~0 0)) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:06,841 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:06,841 INFO L290 TraceCheckUtils]: 92: Hoare triple {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:06,842 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:52:06,842 INFO L272 TraceCheckUtils]: 90: Hoare triple {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:06,843 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} #91#return; {13071#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:06,843 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:06,843 INFO L290 TraceCheckUtils]: 87: Hoare triple {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:06,844 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {13081#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:52:06,844 INFO L272 TraceCheckUtils]: 85: Hoare triple {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:06,844 INFO L290 TraceCheckUtils]: 84: Hoare triple {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} assume !false; {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:07,037 INFO L290 TraceCheckUtils]: 83: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13088#(or (not (= main_~c~0 0)) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} is VALID [2022-04-08 05:52:07,038 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #97#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,038 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,038 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,038 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,038 INFO L272 TraceCheckUtils]: 78: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,039 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #95#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,039 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,039 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,039 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,039 INFO L272 TraceCheckUtils]: 73: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,040 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #93#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,040 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,040 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,040 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,040 INFO L272 TraceCheckUtils]: 68: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,041 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {12660#true} {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} #91#return; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,041 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,041 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,041 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,041 INFO L272 TraceCheckUtils]: 63: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,042 INFO L290 TraceCheckUtils]: 62: Hoare triple {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} assume !false; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,652 INFO L290 TraceCheckUtils]: 61: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {13107#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* main_~q~0 main_~x~0) (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= main_~c~0 main_~b~0)) (not (= main_~a~0 (+ main_~b~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:52:07,653 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,653 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,653 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,653 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,653 INFO L272 TraceCheckUtils]: 56: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,654 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,654 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,654 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,654 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,654 INFO L272 TraceCheckUtils]: 51: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,655 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #93#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,655 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,655 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,655 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,655 INFO L272 TraceCheckUtils]: 46: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,655 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {12660#true} {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #91#return; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,656 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,656 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,656 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,656 INFO L272 TraceCheckUtils]: 41: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,656 INFO L290 TraceCheckUtils]: 40: Hoare triple {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,657 INFO L290 TraceCheckUtils]: 39: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {13174#(or (not (= (+ main_~b~0 (* (+ main_~k~0 1) main_~b~0)) main_~a~0)) (not (= main_~b~0 (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,657 INFO L290 TraceCheckUtils]: 38: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !false; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,658 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {12660#true} {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #89#return; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,658 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,658 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,658 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,658 INFO L272 TraceCheckUtils]: 33: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,659 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {12660#true} {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #87#return; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,659 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,659 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,659 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,659 INFO L272 TraceCheckUtils]: 28: Hoare triple {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 27: Hoare triple {12660#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {13241#(or (not (= main_~a~0 (* main_~b~0 2))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 0) (= (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:07,660 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L272 TraceCheckUtils]: 22: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L272 TraceCheckUtils]: 17: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,660 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L272 TraceCheckUtils]: 12: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 11: Hoare triple {12660#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L272 TraceCheckUtils]: 6: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {12660#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L290 TraceCheckUtils]: 1: Hoare triple {12660#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {12660#true} is VALID [2022-04-08 05:52:07,661 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-08 05:52:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-08 05:52:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:52:07,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858319562] [2022-04-08 05:52:07,662 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:52:07,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977951447] [2022-04-08 05:52:07,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977951447] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:52:07,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:52:07,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2022-04-08 05:52:07,662 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:52:07,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1463949877] [2022-04-08 05:52:07,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1463949877] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:52:07,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:52:07,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-08 05:52:07,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937614296] [2022-04-08 05:52:07,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:52:07,663 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 113 [2022-04-08 05:52:07,663 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:52:07,663 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-08 05:52:07,729 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 05:52:07,729 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-08 05:52:07,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:07,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-08 05:52:07,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2022-04-08 05:52:07,730 INFO L87 Difference]: Start difference. First operand 128 states and 168 transitions. Second operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-08 05:52:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:11,114 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2022-04-08 05:52:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-08 05:52:11,114 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 113 [2022-04-08 05:52:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:52:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-08 05:52:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-08 05:52:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-08 05:52:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-08 05:52:11,117 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 117 transitions. [2022-04-08 05:52:11,240 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 05:52:11,242 INFO L225 Difference]: With dead ends: 162 [2022-04-08 05:52:11,242 INFO L226 Difference]: Without dead ends: 159 [2022-04-08 05:52:11,242 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2022-04-08 05:52:11,243 INFO L913 BasicCegarLoop]: 51 mSDtfsCounter, 31 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-08 05:52:11,243 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 291 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-08 05:52:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-04-08 05:52:11,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2022-04-08 05:52:11,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:52:11,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-08 05:52:11,489 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-08 05:52:11,490 INFO L87 Difference]: Start difference. First operand 159 states. Second operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-08 05:52:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:11,492 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-08 05:52:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-08 05:52:11,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:11,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:11,493 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand 159 states. [2022-04-08 05:52:11,493 INFO L87 Difference]: Start difference. First operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand 159 states. [2022-04-08 05:52:11,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:11,496 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-08 05:52:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-08 05:52:11,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:11,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:11,497 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:52:11,497 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:52:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 85 states have internal predecessors, (94), 59 states have call successors, (59), 15 states have call predecessors, (59), 14 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-04-08 05:52:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-04-08 05:52:11,500 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 113 [2022-04-08 05:52:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:52:11,500 INFO L478 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-04-08 05:52:11,500 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-04-08 05:52:11,501 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 157 states and 209 transitions. [2022-04-08 05:52:11,834 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:52:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-04-08 05:52:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-08 05:52:11,851 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:52:11,851 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 05:52:11,868 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 05:52:12,052 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 05:52:12,052 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:52:12,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:52:12,052 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-08 05:52:12,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:12,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2044006081] [2022-04-08 05:52:12,053 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:52:12,053 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-08 05:52:12,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:52:12,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327618754] [2022-04-08 05:52:12,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:52:12,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:52:12,071 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:52:12,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1170640986] [2022-04-08 05:52:12,072 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 05:52:12,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:52:12,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:52:12,081 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 05:52:12,082 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 05:52:12,146 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 05:52:12,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:52:12,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 05:52:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:52:12,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:52:12,462 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-08 05:52:12,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {14325#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 5: Hoare triple {14325#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L272 TraceCheckUtils]: 6: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-08 05:52:12,463 INFO L290 TraceCheckUtils]: 11: Hoare triple {14325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L272 TraceCheckUtils]: 12: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L272 TraceCheckUtils]: 17: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L272 TraceCheckUtils]: 22: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,464 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 27: Hoare triple {14325#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L272 TraceCheckUtils]: 28: Hoare triple {14325#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L272 TraceCheckUtils]: 33: Hoare triple {14325#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,465 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L272 TraceCheckUtils]: 41: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,466 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L272 TraceCheckUtils]: 46: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L272 TraceCheckUtils]: 51: Hoare triple {14325#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L272 TraceCheckUtils]: 56: Hoare triple {14325#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,467 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,468 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,468 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,468 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-08 05:52:12,468 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:52:12,469 INFO L290 TraceCheckUtils]: 62: Hoare triple {14513#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:52:12,469 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:52:12,469 INFO L290 TraceCheckUtils]: 64: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,470 INFO L272 TraceCheckUtils]: 66: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #91#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,470 INFO L272 TraceCheckUtils]: 71: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,470 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,471 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,471 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #93#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,471 INFO L272 TraceCheckUtils]: 76: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,471 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,471 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,471 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,472 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #95#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,472 INFO L272 TraceCheckUtils]: 81: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,472 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,472 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,472 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,473 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #97#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,474 INFO L290 TraceCheckUtils]: 86: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,474 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,474 INFO L272 TraceCheckUtils]: 88: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,474 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,474 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,474 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,475 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,475 INFO L272 TraceCheckUtils]: 93: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,475 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,475 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,475 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,479 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,479 INFO L272 TraceCheckUtils]: 98: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,479 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,479 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,479 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,480 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,480 INFO L272 TraceCheckUtils]: 103: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,480 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,480 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,480 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,480 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,480 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,481 INFO L290 TraceCheckUtils]: 109: Hoare triple {14591#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14661#(< 0 main_~b~0)} is VALID [2022-04-08 05:52:12,481 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-08 05:52:12,481 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-08 05:52:12,481 INFO L272 TraceCheckUtils]: 112: Hoare triple {14326#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14326#false} is VALID [2022-04-08 05:52:12,481 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-08 05:52:12,482 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-08 05:52:12,482 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-08 05:52:12,482 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 05:52:12,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:52:12,707 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-08 05:52:12,708 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-08 05:52:12,708 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-08 05:52:12,708 INFO L272 TraceCheckUtils]: 112: Hoare triple {14326#false} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {14326#false} is VALID [2022-04-08 05:52:12,716 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-08 05:52:12,716 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-08 05:52:12,717 INFO L290 TraceCheckUtils]: 109: Hoare triple {14591#(< 0 main_~c~0)} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14661#(< 0 main_~b~0)} is VALID [2022-04-08 05:52:12,717 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,717 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,717 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,717 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,718 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,718 INFO L272 TraceCheckUtils]: 103: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,721 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,721 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,721 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,721 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L272 TraceCheckUtils]: 98: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,722 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L272 TraceCheckUtils]: 93: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,722 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,723 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,723 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,723 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,723 INFO L272 TraceCheckUtils]: 88: Hoare triple {14591#(< 0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,723 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,724 INFO L290 TraceCheckUtils]: 86: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {14591#(< 0 main_~c~0)} is VALID [2022-04-08 05:52:12,724 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #97#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,724 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,724 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,724 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L272 TraceCheckUtils]: 81: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #95#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,725 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L272 TraceCheckUtils]: 76: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,725 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #93#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L272 TraceCheckUtils]: 71: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {14325#true} {14524#(< main_~b~0 main_~c~0)} #91#return; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,726 INFO L272 TraceCheckUtils]: 66: Hoare triple {14524#(< main_~b~0 main_~c~0)} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,727 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,727 INFO L290 TraceCheckUtils]: 64: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-08 05:52:12,727 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:52:12,727 INFO L290 TraceCheckUtils]: 62: Hoare triple {14513#(not (<= main_~b~0 main_~c~0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:52:12,728 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L272 TraceCheckUtils]: 56: Hoare triple {14325#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L272 TraceCheckUtils]: 51: Hoare triple {14325#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,728 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L272 TraceCheckUtils]: 46: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L272 TraceCheckUtils]: 41: Hoare triple {14325#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L272 TraceCheckUtils]: 33: Hoare triple {14325#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,729 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L272 TraceCheckUtils]: 28: Hoare triple {14325#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 27: Hoare triple {14325#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L272 TraceCheckUtils]: 22: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L272 TraceCheckUtils]: 17: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L272 TraceCheckUtils]: 12: Hoare triple {14325#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,730 INFO L290 TraceCheckUtils]: 11: Hoare triple {14325#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L272 TraceCheckUtils]: 6: Hoare triple {14325#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 5: Hoare triple {14325#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L290 TraceCheckUtils]: 1: Hoare triple {14325#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {14325#true} is VALID [2022-04-08 05:52:12,731 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-08 05:52:12,731 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 05:52:12,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:52:12,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327618754] [2022-04-08 05:52:12,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:52:12,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170640986] [2022-04-08 05:52:12,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170640986] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:52:12,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:52:12,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-08 05:52:12,732 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:52:12,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2044006081] [2022-04-08 05:52:12,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2044006081] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:52:12,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:52:12,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 05:52:12,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177792235] [2022-04-08 05:52:12,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:52:12,733 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 05:52:12,733 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:52:12,733 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 05:52:12,770 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 05:52:12,770 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 05:52:12,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 05:52:12,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-08 05:52:12,770 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-04-08 05:52:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:14,013 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2022-04-08 05:52:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 05:52:14,013 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 05:52:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:52:14,014 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 05:52:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-08 05:52:14,015 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 05:52:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-08 05:52:14,018 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-08 05:52:14,131 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 05:52:14,134 INFO L225 Difference]: With dead ends: 211 [2022-04-08 05:52:14,134 INFO L226 Difference]: Without dead ends: 203 [2022-04-08 05:52:14,134 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 05:52:14,135 INFO L913 BasicCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 05:52:14,135 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 280 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 05:52:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-04-08 05:52:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 184. [2022-04-08 05:52:14,521 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:52:14,521 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-08 05:52:14,522 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-08 05:52:14,522 INFO L87 Difference]: Start difference. First operand 203 states. Second operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-08 05:52:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:14,526 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-08 05:52:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-08 05:52:14,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:14,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:14,528 INFO L74 IsIncluded]: Start isIncluded. First operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand 203 states. [2022-04-08 05:52:14,528 INFO L87 Difference]: Start difference. First operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand 203 states. [2022-04-08 05:52:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:14,536 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-08 05:52:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-08 05:52:14,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:14,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:14,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:52:14,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:52:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 75 states have call successors, (75), 15 states have call predecessors, (75), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2022-04-08 05:52:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-04-08 05:52:14,541 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 116 [2022-04-08 05:52:14,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:52:14,542 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-04-08 05:52:14,542 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 05:52:14,542 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 184 states and 256 transitions. [2022-04-08 05:52:15,057 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:52:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-04-08 05:52:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-08 05:52:15,058 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:52:15,058 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 05:52:15,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-08 05:52:15,258 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 05:52:15,258 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:52:15,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:52:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-08 05:52:15,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:15,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1966672936] [2022-04-08 05:52:15,259 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:52:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-08 05:52:15,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:52:15,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849985512] [2022-04-08 05:52:15,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:52:15,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:52:15,269 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:52:15,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271511447] [2022-04-08 05:52:15,270 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 05:52:15,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:52:15,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:52:15,271 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 05:52:15,274 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 05:52:15,326 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 05:52:15,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:52:15,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-08 05:52:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:52:15,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:52:15,555 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {16242#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 5: Hoare triple {16242#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L272 TraceCheckUtils]: 6: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-08 05:52:15,555 INFO L290 TraceCheckUtils]: 11: Hoare triple {16242#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L272 TraceCheckUtils]: 12: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L272 TraceCheckUtils]: 17: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L272 TraceCheckUtils]: 22: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 27: Hoare triple {16242#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L272 TraceCheckUtils]: 28: Hoare triple {16242#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,556 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L272 TraceCheckUtils]: 33: Hoare triple {16242#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L272 TraceCheckUtils]: 41: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:15,557 INFO L272 TraceCheckUtils]: 46: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L272 TraceCheckUtils]: 51: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L272 TraceCheckUtils]: 56: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-08 05:52:15,558 INFO L290 TraceCheckUtils]: 62: Hoare triple {16242#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L272 TraceCheckUtils]: 66: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L272 TraceCheckUtils]: 71: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,559 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L272 TraceCheckUtils]: 76: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,561 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L272 TraceCheckUtils]: 81: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 86: Hoare triple {16242#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L272 TraceCheckUtils]: 88: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L272 TraceCheckUtils]: 93: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,562 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:15,563 INFO L272 TraceCheckUtils]: 98: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,572 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:15,572 INFO L290 TraceCheckUtils]: 100: Hoare triple {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:15,572 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:15,573 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} {16242#true} #95#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:15,573 INFO L272 TraceCheckUtils]: 103: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,573 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,573 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,573 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,573 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16242#true} {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:15,574 INFO L290 TraceCheckUtils]: 108: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:15,574 INFO L290 TraceCheckUtils]: 109: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:15,574 INFO L290 TraceCheckUtils]: 110: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:15,574 INFO L290 TraceCheckUtils]: 111: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:15,575 INFO L290 TraceCheckUtils]: 112: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:15,575 INFO L272 TraceCheckUtils]: 113: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:15,575 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:15,575 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:15,575 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:15,575 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16242#true} {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:15,576 INFO L272 TraceCheckUtils]: 118: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:52:15,576 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:15,576 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-08 05:52:15,576 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-08 05:52:15,577 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 05:52:15,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:52:25,886 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-08 05:52:25,887 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-08 05:52:25,887 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:25,888 INFO L272 TraceCheckUtils]: 118: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:52:25,888 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {16242#true} {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} #91#return; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:25,889 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,889 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,889 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,889 INFO L272 TraceCheckUtils]: 113: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,889 INFO L290 TraceCheckUtils]: 112: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:25,889 INFO L290 TraceCheckUtils]: 111: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:25,890 INFO L290 TraceCheckUtils]: 110: Hoare triple {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} assume !false; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:25,890 INFO L290 TraceCheckUtils]: 109: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16577#(= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))} is VALID [2022-04-08 05:52:25,890 INFO L290 TraceCheckUtils]: 108: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} assume !(~c~0 >= ~b~0); {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:25,891 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {16242#true} {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} #97#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:25,891 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,891 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,891 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,891 INFO L272 TraceCheckUtils]: 103: Hoare triple {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,892 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} {16242#true} #95#return; {16555#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:52:25,892 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:25,892 INFO L290 TraceCheckUtils]: 100: Hoare triple {16682#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16682#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:52:25,893 INFO L272 TraceCheckUtils]: 98: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L272 TraceCheckUtils]: 93: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L272 TraceCheckUtils]: 88: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,893 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 86: Hoare triple {16242#true} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L272 TraceCheckUtils]: 81: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L272 TraceCheckUtils]: 76: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L272 TraceCheckUtils]: 71: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:25,894 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L272 TraceCheckUtils]: 66: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 62: Hoare triple {16242#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L272 TraceCheckUtils]: 56: Hoare triple {16242#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,895 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L272 TraceCheckUtils]: 51: Hoare triple {16242#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L272 TraceCheckUtils]: 46: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,896 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L272 TraceCheckUtils]: 41: Hoare triple {16242#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L272 TraceCheckUtils]: 33: Hoare triple {16242#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,909 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L272 TraceCheckUtils]: 28: Hoare triple {16242#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 27: Hoare triple {16242#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L272 TraceCheckUtils]: 22: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L272 TraceCheckUtils]: 17: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,910 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L272 TraceCheckUtils]: 12: Hoare triple {16242#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 11: Hoare triple {16242#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L272 TraceCheckUtils]: 6: Hoare triple {16242#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 5: Hoare triple {16242#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L290 TraceCheckUtils]: 1: Hoare triple {16242#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {16242#true} is VALID [2022-04-08 05:52:25,911 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-08 05:52:25,912 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 05:52:25,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:52:25,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849985512] [2022-04-08 05:52:25,912 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:52:25,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271511447] [2022-04-08 05:52:25,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271511447] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:52:25,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:52:25,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-08 05:52:25,913 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:52:25,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1966672936] [2022-04-08 05:52:25,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1966672936] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:52:25,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:52:25,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 05:52:25,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653436091] [2022-04-08 05:52:25,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:52:25,914 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 05:52:25,914 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:52:25,914 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 05:52:25,956 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 05:52:25,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 05:52:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:25,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 05:52:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-08 05:52:25,957 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-04-08 05:52:26,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:26,961 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2022-04-08 05:52:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 05:52:26,961 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 05:52:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:52:26,962 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 05:52:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-08 05:52:26,963 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 05:52:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-08 05:52:26,963 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-08 05:52:27,013 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 05:52:27,016 INFO L225 Difference]: With dead ends: 198 [2022-04-08 05:52:27,016 INFO L226 Difference]: Without dead ends: 195 [2022-04-08 05:52:27,016 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 05:52:27,017 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 05:52:27,017 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 05:52:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-08 05:52:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2022-04-08 05:52:27,427 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:52:27,427 INFO L82 GeneralOperation]: Start isEquivalent. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-08 05:52:27,427 INFO L74 IsIncluded]: Start isIncluded. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-08 05:52:27,428 INFO L87 Difference]: Start difference. First operand 195 states. Second operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-08 05:52:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:27,431 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-08 05:52:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-08 05:52:27,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:27,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:27,432 INFO L74 IsIncluded]: Start isIncluded. First operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand 195 states. [2022-04-08 05:52:27,433 INFO L87 Difference]: Start difference. First operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand 195 states. [2022-04-08 05:52:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:52:27,436 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-08 05:52:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-08 05:52:27,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:52:27,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:52:27,437 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:52:27,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:52:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 103 states have (on average 1.145631067961165) internal successors, (118), 104 states have internal predecessors, (118), 73 states have call successors, (73), 18 states have call predecessors, (73), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-04-08 05:52:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-04-08 05:52:27,441 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 122 [2022-04-08 05:52:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:52:27,441 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-04-08 05:52:27,441 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 05:52:27,441 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 194 states and 262 transitions. [2022-04-08 05:52:27,965 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:52:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-04-08 05:52:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-08 05:52:27,966 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:52:27,966 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 05:52:27,982 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 05:52:28,166 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 05:52:28,167 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:52:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:52:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-08 05:52:28,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:52:28,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1549236611] [2022-04-08 05:52:28,167 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:52:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-08 05:52:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:52:28,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512662538] [2022-04-08 05:52:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:52:28,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:52:28,185 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:52:28,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157180428] [2022-04-08 05:52:28,186 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 05:52:28,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:52:28,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:52:28,196 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 05:52:28,210 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 05:52:28,287 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-08 05:52:28,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:52:28,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 82 conjunts are in the unsatisfiable core [2022-04-08 05:52:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:52:28,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:52:29,426 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L290 TraceCheckUtils]: 1: Hoare triple {18162#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L290 TraceCheckUtils]: 5: Hoare triple {18162#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {18162#true} is VALID [2022-04-08 05:52:29,426 INFO L272 TraceCheckUtils]: 6: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 11: Hoare triple {18162#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L272 TraceCheckUtils]: 12: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L272 TraceCheckUtils]: 17: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-08 05:52:29,427 INFO L272 TraceCheckUtils]: 22: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 27: Hoare triple {18162#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,428 INFO L272 TraceCheckUtils]: 28: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,428 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,429 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,429 INFO L272 TraceCheckUtils]: 33: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,429 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,429 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,429 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,430 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,430 INFO L290 TraceCheckUtils]: 38: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,431 INFO L290 TraceCheckUtils]: 39: Hoare triple {18248#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,431 INFO L290 TraceCheckUtils]: 40: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,431 INFO L272 TraceCheckUtils]: 41: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,431 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,431 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,431 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,432 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,432 INFO L272 TraceCheckUtils]: 46: Hoare triple {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,432 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:29,433 INFO L290 TraceCheckUtils]: 48: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,433 INFO L290 TraceCheckUtils]: 49: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,434 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18285#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,434 INFO L272 TraceCheckUtils]: 51: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,434 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,434 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,434 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,435 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,435 INFO L272 TraceCheckUtils]: 56: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,435 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,435 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,435 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,436 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,436 INFO L290 TraceCheckUtils]: 61: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,437 INFO L290 TraceCheckUtils]: 62: Hoare triple {18321#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:52:29,437 INFO L290 TraceCheckUtils]: 63: Hoare triple {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:52:29,437 INFO L290 TraceCheckUtils]: 64: Hoare triple {18358#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:52:29,438 INFO L290 TraceCheckUtils]: 65: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} assume !false; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:52:29,438 INFO L272 TraceCheckUtils]: 66: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,438 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,438 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,438 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,439 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {18162#true} {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #91#return; {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} is VALID [2022-04-08 05:52:29,439 INFO L272 TraceCheckUtils]: 71: Hoare triple {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,439 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:29,439 INFO L290 TraceCheckUtils]: 73: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,440 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,440 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18365#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1))} #93#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,441 INFO L272 TraceCheckUtils]: 76: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,441 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,441 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,441 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,441 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {18162#true} {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #95#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,441 INFO L272 TraceCheckUtils]: 81: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,442 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,442 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,442 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,442 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {18162#true} {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} #97#return; {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,443 INFO L290 TraceCheckUtils]: 86: Hoare triple {18399#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,444 INFO L290 TraceCheckUtils]: 87: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} assume !false; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,444 INFO L272 TraceCheckUtils]: 88: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,444 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,444 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,444 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,444 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #91#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,445 INFO L272 TraceCheckUtils]: 93: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,445 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,445 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,445 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,445 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #93#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,445 INFO L272 TraceCheckUtils]: 98: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #95#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,446 INFO L272 TraceCheckUtils]: 103: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:52:29,446 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:52:29,447 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:52:29,447 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {18162#true} {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} #97#return; {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,448 INFO L290 TraceCheckUtils]: 108: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} assume !(~c~0 >= ~b~0); {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-08 05:52:29,448 INFO L290 TraceCheckUtils]: 109: Hoare triple {18433#(and (= main_~s~0 0) (= main_~p~0 0) (= main_~r~0 1) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~c~0 (+ (* main_~y~0 main_~r~0) (* (- 1) main_~b~0) (* main_~p~0 main_~x~0))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,449 INFO L290 TraceCheckUtils]: 110: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,449 INFO L290 TraceCheckUtils]: 111: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,449 INFO L290 TraceCheckUtils]: 112: Hoare triple {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,450 INFO L272 TraceCheckUtils]: 113: Hoare triple {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,450 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:29,450 INFO L290 TraceCheckUtils]: 115: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,450 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,451 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18510#(and (= main_~r~0 0) (= main_~k~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (<= main_~c~0 main_~a~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:52:29,451 INFO L272 TraceCheckUtils]: 118: Hoare triple {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:52:29,452 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:29,452 INFO L290 TraceCheckUtils]: 120: Hoare triple {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,452 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:52:29,453 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18503#(and (= main_~r~0 0) (= main_~s~0 1) (= (+ (* (- 1) main_~a~0) main_~y~0) main_~b~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {18544#(and (= main_~s~0 1) (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~x~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0))} is VALID [2022-04-08 05:52:29,454 INFO L272 TraceCheckUtils]: 123: Hoare triple {18544#(and (= main_~s~0 1) (= (+ main_~y~0 (* (- 1) main_~b~0)) main_~x~0) (= (+ (- 1) (* (- 1) main_~q~0)) 0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:52:29,454 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:52:29,454 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-08 05:52:29,454 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-08 05:52:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 99 proven. 86 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-04-08 05:52:29,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:53:58,312 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-08 05:53:58,313 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-08 05:53:58,313 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:53:58,314 INFO L272 TraceCheckUtils]: 123: Hoare triple {18568#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:53:58,315 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} #93#return; {18568#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-08 05:53:58,315 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,315 INFO L290 TraceCheckUtils]: 120: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,316 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:53:58,316 INFO L272 TraceCheckUtils]: 118: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,316 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 05:53:58,317 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,317 INFO L290 TraceCheckUtils]: 115: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,317 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:53:58,317 INFO L272 TraceCheckUtils]: 113: Hoare triple {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,318 INFO L290 TraceCheckUtils]: 112: Hoare triple {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:53:58,318 INFO L290 TraceCheckUtils]: 111: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18589#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:53:58,319 INFO L290 TraceCheckUtils]: 110: Hoare triple {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} assume !false; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 05:53:58,335 INFO L290 TraceCheckUtils]: 109: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18572#(or (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 05:53:58,335 INFO L290 TraceCheckUtils]: 108: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !(~c~0 >= ~b~0); {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,336 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #97#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,336 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,336 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,336 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,336 INFO L272 TraceCheckUtils]: 103: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,337 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,337 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,337 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,337 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,337 INFO L272 TraceCheckUtils]: 98: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,338 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,338 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,338 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,338 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,338 INFO L272 TraceCheckUtils]: 93: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,339 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,339 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,339 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,339 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,339 INFO L272 TraceCheckUtils]: 88: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,339 INFO L290 TraceCheckUtils]: 87: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,545 INFO L290 TraceCheckUtils]: 86: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,546 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #97#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,546 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,546 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,546 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,546 INFO L272 TraceCheckUtils]: 81: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,547 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {18162#true} {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,547 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,547 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,547 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,547 INFO L272 TraceCheckUtils]: 76: Hoare triple {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,548 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {18614#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,548 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,549 INFO L290 TraceCheckUtils]: 73: Hoare triple {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:53:58,549 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18582#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:53:58,549 INFO L272 TraceCheckUtils]: 71: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,550 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {18162#true} {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,550 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,550 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,550 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,550 INFO L272 TraceCheckUtils]: 66: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,550 INFO L290 TraceCheckUtils]: 65: Hoare triple {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 64: Hoare triple {18162#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18717#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 63: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 62: Hoare triple {18162#true} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 61: Hoare triple {18162#true} assume !(~c~0 >= ~b~0); {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18162#true} #97#return; {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L272 TraceCheckUtils]: 56: Hoare triple {18162#true} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,551 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18162#true} #95#return; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L272 TraceCheckUtils]: 51: Hoare triple {18162#true} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18162#true} {18162#true} #93#return; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 49: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 48: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L272 TraceCheckUtils]: 46: Hoare triple {18162#true} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18162#true} #91#return; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L272 TraceCheckUtils]: 41: Hoare triple {18162#true} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 40: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 39: Hoare triple {18162#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L290 TraceCheckUtils]: 38: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-08 05:53:58,552 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18162#true} #89#return; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L272 TraceCheckUtils]: 33: Hoare triple {18162#true} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18162#true} #87#return; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L272 TraceCheckUtils]: 28: Hoare triple {18162#true} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 27: Hoare triple {18162#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L272 TraceCheckUtils]: 22: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-08 05:53:58,553 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L272 TraceCheckUtils]: 17: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L272 TraceCheckUtils]: 12: Hoare triple {18162#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {18162#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L272 TraceCheckUtils]: 6: Hoare triple {18162#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L290 TraceCheckUtils]: 5: Hoare triple {18162#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-08 05:53:58,554 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-08 05:53:58,555 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-08 05:53:58,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {18162#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {18162#true} is VALID [2022-04-08 05:53:58,555 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-08 05:53:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 130 proven. 29 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-08 05:53:58,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:53:58,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512662538] [2022-04-08 05:53:58,555 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:53:58,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157180428] [2022-04-08 05:53:58,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157180428] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:53:58,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:53:58,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 22 [2022-04-08 05:53:58,556 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:53:58,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1549236611] [2022-04-08 05:53:58,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1549236611] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:53:58,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:53:58,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-08 05:53:58,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266486926] [2022-04-08 05:53:58,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:53:58,556 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 127 [2022-04-08 05:53:58,557 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:53:58,557 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-08 05:53:58,627 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:53:58,627 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-08 05:53:58,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:53:58,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-08 05:53:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-04-08 05:53:58,628 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-08 05:54:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:54:00,733 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2022-04-08 05:54:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-08 05:54:00,734 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 127 [2022-04-08 05:54:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:54:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-08 05:54:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-08 05:54:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-08 05:54:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-08 05:54:00,737 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 135 transitions. [2022-04-08 05:54:00,859 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:54:00,863 INFO L225 Difference]: With dead ends: 265 [2022-04-08 05:54:00,863 INFO L226 Difference]: Without dead ends: 263 [2022-04-08 05:54:00,864 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-04-08 05:54:00,864 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-08 05:54:00,864 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 311 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-08 05:54:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-04-08 05:54:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2022-04-08 05:54:01,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:54:01,200 INFO L82 GeneralOperation]: Start isEquivalent. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:54:01,200 INFO L74 IsIncluded]: Start isIncluded. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:54:01,200 INFO L87 Difference]: Start difference. First operand 263 states. Second operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:54:01,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:54:01,205 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-08 05:54:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-08 05:54:01,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:54:01,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:54:01,206 INFO L74 IsIncluded]: Start isIncluded. First operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 263 states. [2022-04-08 05:54:01,207 INFO L87 Difference]: Start difference. First operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 263 states. [2022-04-08 05:54:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:54:01,211 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-08 05:54:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-08 05:54:01,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:54:01,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:54:01,212 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:54:01,212 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:54:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 139 states have (on average 1.1366906474820144) internal successors, (158), 140 states have internal predecessors, (158), 97 states have call successors, (97), 24 states have call predecessors, (97), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:54:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 350 transitions. [2022-04-08 05:54:01,217 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 350 transitions. Word has length 127 [2022-04-08 05:54:01,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:54:01,218 INFO L478 AbstractCegarLoop]: Abstraction has 260 states and 350 transitions. [2022-04-08 05:54:01,218 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 13 states have internal predecessors, (32), 10 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2022-04-08 05:54:01,218 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 260 states and 350 transitions. [2022-04-08 05:54:02,020 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:54:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 350 transitions. [2022-04-08 05:54:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-08 05:54:02,021 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:54:02,021 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 05:54:02,038 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 05:54:02,222 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 05:54:02,222 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:54:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:54:02,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-08 05:54:02,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:54:02,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1343662038] [2022-04-08 05:54:02,223 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:54:02,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-08 05:54:02,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:54:02,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819037081] [2022-04-08 05:54:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:54:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:54:02,234 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:54:02,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748267784] [2022-04-08 05:54:02,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:54:02,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:54:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:54:02,235 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 05:54:02,237 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 05:54:02,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:54:02,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:54:02,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-08 05:54:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:54:02,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:54:11,252 INFO L272 TraceCheckUtils]: 0: Hoare triple {20527#true} call ULTIMATE.init(); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 1: Hoare triple {20527#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 2: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20527#true} {20527#true} #103#return; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L272 TraceCheckUtils]: 4: Hoare triple {20527#true} call #t~ret6 := main(); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 5: Hoare triple {20527#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L272 TraceCheckUtils]: 6: Hoare triple {20527#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 7: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 8: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 9: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {20527#true} {20527#true} #79#return; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 11: Hoare triple {20527#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L272 TraceCheckUtils]: 12: Hoare triple {20527#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 13: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 14: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,253 INFO L290 TraceCheckUtils]: 15: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,254 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {20527#true} {20527#true} #81#return; {20527#true} is VALID [2022-04-08 05:54:11,254 INFO L272 TraceCheckUtils]: 17: Hoare triple {20527#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,254 INFO L290 TraceCheckUtils]: 18: Hoare triple {20527#true} ~cond := #in~cond; {20586#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 05:54:11,254 INFO L290 TraceCheckUtils]: 19: Hoare triple {20586#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond); {20590#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:54:11,254 INFO L290 TraceCheckUtils]: 20: Hoare triple {20590#(not (= |assume_abort_if_not_#in~cond| 0))} assume true; {20590#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 05:54:11,255 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {20590#(not (= |assume_abort_if_not_#in~cond| 0))} {20527#true} #83#return; {20597#(<= 1 main_~x~0)} is VALID [2022-04-08 05:54:11,255 INFO L272 TraceCheckUtils]: 22: Hoare triple {20597#(<= 1 main_~x~0)} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,255 INFO L290 TraceCheckUtils]: 23: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,255 INFO L290 TraceCheckUtils]: 24: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,255 INFO L290 TraceCheckUtils]: 25: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,255 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {20527#true} {20597#(<= 1 main_~x~0)} #85#return; {20597#(<= 1 main_~x~0)} is VALID [2022-04-08 05:54:11,256 INFO L290 TraceCheckUtils]: 27: Hoare triple {20597#(<= 1 main_~x~0)} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,256 INFO L272 TraceCheckUtils]: 28: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,256 INFO L290 TraceCheckUtils]: 29: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,256 INFO L290 TraceCheckUtils]: 30: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,256 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,257 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {20527#true} {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,257 INFO L272 TraceCheckUtils]: 33: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,257 INFO L290 TraceCheckUtils]: 34: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,257 INFO L290 TraceCheckUtils]: 35: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,257 INFO L290 TraceCheckUtils]: 36: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,258 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {20527#true} {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,258 INFO L290 TraceCheckUtils]: 38: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,259 INFO L290 TraceCheckUtils]: 39: Hoare triple {20616#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,259 INFO L290 TraceCheckUtils]: 40: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,259 INFO L272 TraceCheckUtils]: 41: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,259 INFO L290 TraceCheckUtils]: 42: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,259 INFO L290 TraceCheckUtils]: 43: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,259 INFO L290 TraceCheckUtils]: 44: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,260 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,260 INFO L272 TraceCheckUtils]: 46: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,260 INFO L290 TraceCheckUtils]: 47: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,260 INFO L290 TraceCheckUtils]: 48: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,260 INFO L290 TraceCheckUtils]: 49: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,261 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,261 INFO L272 TraceCheckUtils]: 51: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,261 INFO L290 TraceCheckUtils]: 52: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,261 INFO L290 TraceCheckUtils]: 53: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,261 INFO L290 TraceCheckUtils]: 54: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,262 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,262 INFO L272 TraceCheckUtils]: 56: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,262 INFO L290 TraceCheckUtils]: 57: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,262 INFO L290 TraceCheckUtils]: 58: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,262 INFO L290 TraceCheckUtils]: 59: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,263 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {20527#true} {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,264 INFO L290 TraceCheckUtils]: 61: Hoare triple {20653#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,264 INFO L290 TraceCheckUtils]: 62: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,265 INFO L272 TraceCheckUtils]: 63: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,265 INFO L290 TraceCheckUtils]: 64: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,265 INFO L290 TraceCheckUtils]: 65: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,265 INFO L290 TraceCheckUtils]: 66: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,266 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,266 INFO L272 TraceCheckUtils]: 68: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,266 INFO L290 TraceCheckUtils]: 69: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,266 INFO L290 TraceCheckUtils]: 70: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,266 INFO L290 TraceCheckUtils]: 71: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,267 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,267 INFO L272 TraceCheckUtils]: 73: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,267 INFO L290 TraceCheckUtils]: 74: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,267 INFO L290 TraceCheckUtils]: 75: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,267 INFO L290 TraceCheckUtils]: 76: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,268 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,268 INFO L272 TraceCheckUtils]: 78: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,268 INFO L290 TraceCheckUtils]: 79: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,268 INFO L290 TraceCheckUtils]: 80: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,268 INFO L290 TraceCheckUtils]: 81: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,269 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {20527#true} {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,270 INFO L290 TraceCheckUtils]: 83: Hoare triple {20720#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,270 INFO L290 TraceCheckUtils]: 84: Hoare triple {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} assume !false; {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,271 INFO L272 TraceCheckUtils]: 85: Hoare triple {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,271 INFO L290 TraceCheckUtils]: 86: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,271 INFO L290 TraceCheckUtils]: 87: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,271 INFO L290 TraceCheckUtils]: 88: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,273 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20789#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (<= (* main_~b~0 2) main_~a~0) (= main_~p~0 1))} #91#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,273 INFO L272 TraceCheckUtils]: 90: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,274 INFO L290 TraceCheckUtils]: 91: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,274 INFO L290 TraceCheckUtils]: 92: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,274 INFO L290 TraceCheckUtils]: 93: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,274 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {20527#true} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #93#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,274 INFO L272 TraceCheckUtils]: 95: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,275 INFO L290 TraceCheckUtils]: 96: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,275 INFO L290 TraceCheckUtils]: 97: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,275 INFO L290 TraceCheckUtils]: 98: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,276 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #95#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,276 INFO L272 TraceCheckUtils]: 100: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,276 INFO L290 TraceCheckUtils]: 101: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,277 INFO L290 TraceCheckUtils]: 102: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,277 INFO L290 TraceCheckUtils]: 103: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,278 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} #97#return; {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,278 INFO L290 TraceCheckUtils]: 105: Hoare triple {20808#(and (= main_~r~0 0) (<= (* main_~b~0 2) (+ main_~c~0 (* main_~b~0 main_~k~0))) (= main_~x~0 (+ main_~c~0 (* main_~b~0 main_~k~0))) (<= 1 main_~x~0) (= main_~s~0 1) (= main_~c~0 (+ (* (- 2) main_~b~0) main_~c~0 (* main_~b~0 main_~k~0))) (= main_~b~0 main_~y~0) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {20857#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= (* main_~y~0 2) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} is VALID [2022-04-08 05:54:11,280 INFO L290 TraceCheckUtils]: 106: Hoare triple {20857#(and (= main_~r~0 0) (< main_~c~0 main_~y~0) (= main_~s~0 1) (<= (* main_~y~0 2) (+ main_~c~0 (* main_~k~0 main_~y~0))) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~x~0 (+ main_~c~0 (* main_~k~0 main_~y~0))) (= (* main_~y~0 2) (* main_~k~0 main_~y~0)) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,280 INFO L290 TraceCheckUtils]: 107: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,281 INFO L290 TraceCheckUtils]: 108: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,281 INFO L290 TraceCheckUtils]: 109: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,282 INFO L272 TraceCheckUtils]: 110: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,282 INFO L290 TraceCheckUtils]: 111: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,282 INFO L290 TraceCheckUtils]: 112: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,282 INFO L290 TraceCheckUtils]: 113: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,282 INFO L284 TraceCheckUtils]: 114: Hoare quadruple {20527#true} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,282 INFO L272 TraceCheckUtils]: 115: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,282 INFO L290 TraceCheckUtils]: 116: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-08 05:54:11,283 INFO L290 TraceCheckUtils]: 117: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-08 05:54:11,283 INFO L290 TraceCheckUtils]: 118: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-08 05:54:11,283 INFO L284 TraceCheckUtils]: 119: Hoare quadruple {20527#true} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,283 INFO L272 TraceCheckUtils]: 120: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {20527#true} is VALID [2022-04-08 05:54:11,284 INFO L290 TraceCheckUtils]: 121: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,284 INFO L290 TraceCheckUtils]: 122: Hoare triple {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,284 INFO L290 TraceCheckUtils]: 123: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:54:11,285 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:54:11,287 INFO L272 TraceCheckUtils]: 125: Hoare triple {20861#(and (<= (* main_~y~0 2) main_~x~0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (* main_~y~0 (* (- 1) main_~s~0)) (* main_~y~0 2)) (= main_~yy~0 (* main_~y~0 main_~y~0)) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {20919#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:54:11,287 INFO L290 TraceCheckUtils]: 126: Hoare triple {20919#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {20923#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:54:11,287 INFO L290 TraceCheckUtils]: 127: Hoare triple {20923#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {20528#false} is VALID [2022-04-08 05:54:11,287 INFO L290 TraceCheckUtils]: 128: Hoare triple {20528#false} assume !false; {20528#false} is VALID [2022-04-08 05:54:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 142 proven. 88 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-08 05:54:11,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:56:42,420 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 05:56:48,883 WARN L232 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-08 05:56:48,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:56:48,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819037081] [2022-04-08 05:56:48,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:56:48,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748267784] [2022-04-08 05:56:48,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748267784] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 05:56:48,885 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 05:56:48,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-04-08 05:56:48,885 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:56:48,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1343662038] [2022-04-08 05:56:48,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1343662038] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:56:48,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:56:48,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-08 05:56:48,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457703131] [2022-04-08 05:56:48,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:56:48,886 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-08 05:56:48,886 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:56:48,887 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 05:56:48,998 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 05:56:48,998 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-08 05:56:48,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:56:48,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-08 05:56:48,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2022-04-08 05:56:48,999 INFO L87 Difference]: Start difference. First operand 260 states and 350 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 05:56:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:56:56,323 INFO L93 Difference]: Finished difference Result 268 states and 357 transitions. [2022-04-08 05:56:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-08 05:56:56,323 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) Word has length 129 [2022-04-08 05:56:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:56:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 05:56:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-08 05:56:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 05:56:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-08 05:56:56,326 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 113 transitions. [2022-04-08 05:56:56,480 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:56:56,484 INFO L225 Difference]: With dead ends: 268 [2022-04-08 05:56:56,484 INFO L226 Difference]: Without dead ends: 266 [2022-04-08 05:56:56,485 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=159, Invalid=652, Unknown=1, NotChecked=0, Total=812 [2022-04-08 05:56:56,485 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 39 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-08 05:56:56,485 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 193 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-08 05:56:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-08 05:56:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2022-04-08 05:56:57,115 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:56:57,115 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:56:57,116 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:56:57,116 INFO L87 Difference]: Start difference. First operand 266 states. Second operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-04-08 05:56:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:56:57,123 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-08 05:56:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-08 05:56:57,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:56:57,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:56:57,124 INFO L74 IsIncluded]: Start isIncluded. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 266 states. [2022-04-08 05:56:57,125 INFO L87 Difference]: Start difference. First operand has 264 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 143 states have internal predecessors, (161), 97 states have call successors, (97), 25 states have call predecessors, (97), 24 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand 266 states. [2022-04-08 05:56:57,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:56:57,131 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-08 05:56:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-08 05:56:57,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:56:57,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:56:57,132 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:56:57,132 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:56:57,132 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 05:56:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-08 05:56:57,144 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 129 [2022-04-08 05:56:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:56:57,145 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-08 05:56:57,145 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 8 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 7 states have call predecessors, (22), 8 states have call successors, (22) [2022-04-08 05:56:57,145 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-08 05:56:57,900 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 05:56:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-08 05:56:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-08 05:56:57,901 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:56:57,901 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 05:56:57,917 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 05:56:58,116 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 05:56:58,116 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:56:58,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:56:58,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-08 05:56:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:56:58,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [102105483] [2022-04-08 05:56:58,117 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:56:58,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-08 05:56:58,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:56:58,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080817466] [2022-04-08 05:56:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:56:58,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:56:58,135 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:56:58,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117108709] [2022-04-08 05:56:58,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 05:56:58,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:56:58,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:56:58,137 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 05:56:58,138 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 05:56:58,205 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 05:56:58,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:56:58,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-08 05:56:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:56:58,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:57:00,426 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 1: Hoare triple {22663#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 5: Hoare triple {22663#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L272 TraceCheckUtils]: 6: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,426 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 11: Hoare triple {22663#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L272 TraceCheckUtils]: 12: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L272 TraceCheckUtils]: 17: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L272 TraceCheckUtils]: 22: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,427 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-08 05:57:00,428 INFO L290 TraceCheckUtils]: 27: Hoare triple {22663#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,428 INFO L272 TraceCheckUtils]: 28: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,428 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,428 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,429 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {22663#true} {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,429 INFO L272 TraceCheckUtils]: 33: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,429 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,429 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,429 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,430 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {22663#true} {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,430 INFO L290 TraceCheckUtils]: 38: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,431 INFO L290 TraceCheckUtils]: 39: Hoare triple {22749#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,431 INFO L290 TraceCheckUtils]: 40: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !false; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,431 INFO L272 TraceCheckUtils]: 41: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,431 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,431 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,431 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,432 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {22663#true} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #91#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,432 INFO L272 TraceCheckUtils]: 46: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,432 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,432 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,432 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,433 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {22663#true} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #93#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,433 INFO L272 TraceCheckUtils]: 51: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,434 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,434 INFO L290 TraceCheckUtils]: 53: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,434 INFO L290 TraceCheckUtils]: 54: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,435 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #95#return; {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,435 INFO L272 TraceCheckUtils]: 56: Hoare triple {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,435 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,436 INFO L290 TraceCheckUtils]: 58: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,436 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,437 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22786#(and (= main_~r~0 0) (<= (* main_~y~0 main_~y~0) main_~yy~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} #97#return; {22852#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,437 INFO L290 TraceCheckUtils]: 61: Hoare triple {22852#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {22856#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:57:00,438 INFO L290 TraceCheckUtils]: 62: Hoare triple {22856#(and (= main_~r~0 0) (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (not (<= main_~b~0 main_~c~0)) (= main_~q~0 0) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~c~0 main_~x~0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,439 INFO L290 TraceCheckUtils]: 63: Hoare triple {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,439 INFO L290 TraceCheckUtils]: 64: Hoare triple {22860#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,440 INFO L290 TraceCheckUtils]: 65: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,440 INFO L272 TraceCheckUtils]: 66: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,440 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,440 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,440 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,441 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,441 INFO L272 TraceCheckUtils]: 71: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,441 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,441 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,441 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,442 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,442 INFO L272 TraceCheckUtils]: 76: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,442 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,442 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,442 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,443 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,443 INFO L272 TraceCheckUtils]: 81: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,443 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,443 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,443 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,444 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22663#true} {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #97#return; {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,446 INFO L290 TraceCheckUtils]: 86: Hoare triple {22867#(and (= main_~c~0 main_~a~0) (= main_~s~0 0) (= main_~p~0 0) (= main_~k~0 0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,446 INFO L290 TraceCheckUtils]: 87: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,446 INFO L272 TraceCheckUtils]: 88: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,447 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,447 INFO L290 TraceCheckUtils]: 90: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,447 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,448 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,448 INFO L272 TraceCheckUtils]: 93: Hoare triple {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,448 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,449 INFO L290 TraceCheckUtils]: 95: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,449 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,452 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {22934#(and (= main_~s~0 0) (= main_~p~0 0) (= (+ main_~a~0 (* (- 1) main_~b~0)) main_~c~0) (= (+ (* main_~y~0 main_~r~0) (* main_~a~0 main_~y~0) (* main_~p~0 main_~x~0)) (+ main_~a~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (not (<= main_~a~0 main_~x~0)) (= main_~r~0 1) (= main_~a~0 main_~y~0) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~x~0) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-08 05:57:00,452 INFO L272 TraceCheckUtils]: 98: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,452 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,452 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,452 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,453 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {22663#true} {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} #95#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-08 05:57:00,453 INFO L272 TraceCheckUtils]: 103: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,453 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,453 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,453 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,454 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {22663#true} {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} #97#return; {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} is VALID [2022-04-08 05:57:00,455 INFO L290 TraceCheckUtils]: 108: Hoare triple {22968#(and (= main_~s~0 0) (= main_~p~0 0) (< main_~x~0 (+ main_~c~0 main_~b~0)) (= main_~r~0 1) (= main_~b~0 main_~x~0) (= main_~k~0 1) (= (+ (* main_~b~0 main_~y~0) (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~c~0 main_~y~0)) (+ main_~c~0 main_~b~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0))) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)) (= main_~y~0 (+ main_~c~0 main_~b~0)))} assume !(~c~0 >= ~b~0); {23002#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (< 0 main_~c~0) (= main_~s~0 0) (not (<= main_~x~0 main_~c~0)) (= (+ main_~c~0 main_~x~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~y~0 main_~x~0) (* main_~c~0 main_~y~0))) (= main_~p~0 0) (= main_~r~0 1) (= main_~k~0 1) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,457 INFO L290 TraceCheckUtils]: 109: Hoare triple {23002#(and (= (+ main_~c~0 main_~x~0) main_~y~0) (< 0 main_~c~0) (= main_~s~0 0) (not (<= main_~x~0 main_~c~0)) (= (+ main_~c~0 main_~x~0 (* main_~p~0 main_~xy~0) (* main_~r~0 main_~yy~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0) (* main_~y~0 main_~x~0) (* main_~c~0 main_~y~0))) (= main_~p~0 0) (= main_~r~0 1) (= main_~k~0 1) (= main_~q~0 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,457 INFO L290 TraceCheckUtils]: 110: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,458 INFO L290 TraceCheckUtils]: 111: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,458 INFO L290 TraceCheckUtils]: 112: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} assume !false; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,458 INFO L272 TraceCheckUtils]: 113: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,458 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,458 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,458 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,459 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {22663#true} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #91#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,459 INFO L272 TraceCheckUtils]: 118: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,459 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:57:00,459 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:57:00,459 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:57:00,460 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {22663#true} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #93#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,460 INFO L272 TraceCheckUtils]: 123: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:57:00,460 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,461 INFO L290 TraceCheckUtils]: 125: Hoare triple {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,461 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:57:00,462 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} #95#return; {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} is VALID [2022-04-08 05:57:00,464 INFO L272 TraceCheckUtils]: 128: Hoare triple {23006#(and (= (+ (* main_~y~0 (+ main_~y~0 (* (- 1) main_~x~0))) main_~y~0 (* main_~y~0 main_~x~0)) (+ main_~y~0 main_~yy~0)) (= main_~s~0 1) (< main_~x~0 main_~y~0) (not (<= (* main_~x~0 2) main_~y~0)) (= main_~b~0 (+ main_~y~0 (* (- 1) main_~x~0))) (= (* (- 1) main_~q~0) 1) (= main_~xy~0 (* main_~y~0 main_~x~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:57:00,464 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:57:00,464 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-08 05:57:00,464 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-08 05:57:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 103 proven. 117 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-08 05:57:00,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 05:59:02,432 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-08 05:59:02,432 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-08 05:59:02,433 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:59:02,433 INFO L272 TraceCheckUtils]: 128: Hoare triple {23084#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:59:02,434 INFO L284 TraceCheckUtils]: 127: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #95#return; {23084#(= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))} is VALID [2022-04-08 05:59:02,434 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:02,435 INFO L290 TraceCheckUtils]: 125: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:02,435 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:59:02,435 INFO L272 TraceCheckUtils]: 123: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:02,436 INFO L284 TraceCheckUtils]: 122: Hoare quadruple {22663#true} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #93#return; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:59:02,436 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:02,436 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:02,436 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:02,436 INFO L272 TraceCheckUtils]: 118: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:02,438 INFO L284 TraceCheckUtils]: 117: Hoare quadruple {22663#true} {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} #91#return; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:59:02,438 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:02,439 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:02,439 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:02,439 INFO L272 TraceCheckUtils]: 113: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:02,439 INFO L290 TraceCheckUtils]: 112: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:59:02,447 INFO L290 TraceCheckUtils]: 111: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:59:02,450 INFO L290 TraceCheckUtils]: 110: Hoare triple {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} assume !false; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is VALID [2022-04-08 05:59:04,452 WARN L290 TraceCheckUtils]: 109: Hoare triple {23144#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23088#(or (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))))} is UNKNOWN [2022-04-08 05:59:04,453 INFO L290 TraceCheckUtils]: 108: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} assume !(~c~0 >= ~b~0); {23144#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:59:04,454 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {22663#true} {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #97#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:59:04,454 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:04,454 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:04,454 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:04,454 INFO L272 TraceCheckUtils]: 103: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:04,455 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {22663#true} {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #95#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:59:04,455 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:04,455 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:04,455 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:04,455 INFO L272 TraceCheckUtils]: 98: Hoare triple {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:04,456 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} #93#return; {23148#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:59:04,456 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:04,457 INFO L290 TraceCheckUtils]: 95: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:04,457 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:59:04,457 INFO L272 TraceCheckUtils]: 93: Hoare triple {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:04,458 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} #91#return; {23182#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)))} is VALID [2022-04-08 05:59:04,458 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:04,459 INFO L290 TraceCheckUtils]: 90: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:04,459 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:59:04,459 INFO L272 TraceCheckUtils]: 88: Hoare triple {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:04,460 INFO L290 TraceCheckUtils]: 87: Hoare triple {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} assume !false; {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-08 05:59:06,461 WARN L290 TraceCheckUtils]: 86: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is UNKNOWN [2022-04-08 05:59:06,462 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #97#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,462 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:06,462 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:06,462 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:06,463 INFO L272 TraceCheckUtils]: 81: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:06,463 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #95#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,463 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:06,463 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:06,463 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:06,464 INFO L272 TraceCheckUtils]: 76: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:06,464 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #93#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,464 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:06,464 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:06,464 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:06,465 INFO L272 TraceCheckUtils]: 71: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:06,465 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {22663#true} {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} #91#return; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,465 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:06,465 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:06,465 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:06,466 INFO L272 TraceCheckUtils]: 66: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:06,466 INFO L290 TraceCheckUtils]: 65: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} assume !false; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,467 INFO L290 TraceCheckUtils]: 64: Hoare triple {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} is VALID [2022-04-08 05:59:06,468 INFO L290 TraceCheckUtils]: 63: Hoare triple {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} assume !false; {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is VALID [2022-04-08 05:59:08,470 WARN L290 TraceCheckUtils]: 62: Hoare triple {23291#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {23284#(or (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (= (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~yy~0) (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* main_~xy~0 (+ main_~p~0 (* (- 1) main_~q~0)))) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0))) (* (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))) main_~y~0))) (not (= (+ main_~a~0 (* (- 1) main_~b~0)) (+ (* (+ main_~r~0 (* (- 1) main_~s~0)) main_~y~0) (* main_~x~0 (+ main_~p~0 (* (- 1) main_~q~0)))))) (<= (* main_~b~0 2) main_~a~0))} is UNKNOWN [2022-04-08 05:59:08,471 INFO L290 TraceCheckUtils]: 61: Hoare triple {23295#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} assume !(~c~0 >= ~b~0); {23291#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))))} is VALID [2022-04-08 05:59:08,472 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #97#return; {23295#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,473 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:08,473 INFO L290 TraceCheckUtils]: 58: Hoare triple {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} assume !(0 == ~cond); {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:08,473 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {23098#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 05:59:08,473 INFO L272 TraceCheckUtils]: 56: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,474 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #95#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,474 INFO L290 TraceCheckUtils]: 54: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,474 INFO L290 TraceCheckUtils]: 53: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,474 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,474 INFO L272 TraceCheckUtils]: 51: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,475 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #93#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,475 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,475 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,475 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,475 INFO L272 TraceCheckUtils]: 46: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,476 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {22663#true} {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} #91#return; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,476 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,476 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,476 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,476 INFO L272 TraceCheckUtils]: 41: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,477 INFO L290 TraceCheckUtils]: 40: Hoare triple {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} assume !false; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,479 INFO L290 TraceCheckUtils]: 39: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {23299#(or (= (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~yy~0) (* main_~xy~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~x~0 (+ main_~q~0 (* (- 1) (* (- 1) main_~q~0 main_~k~0)) (* (- 1) main_~p~0))) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0)) main_~y~0) (* (+ (* main_~k~0 main_~s~0) main_~s~0 (* (- 1) main_~r~0)) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2) (* 2 (* main_~q~0 main_~k~0 main_~x~0)) (* (* main_~k~0 main_~y~0 main_~s~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~c~0 (+ (* (- 1) main_~y~0 main_~s~0) (* (- 1) main_~k~0 main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~k~0 main_~x~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0))} is VALID [2022-04-08 05:59:08,479 INFO L290 TraceCheckUtils]: 38: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} assume !false; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-08 05:59:08,480 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {22663#true} {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} #89#return; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-08 05:59:08,480 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,480 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,480 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,480 INFO L272 TraceCheckUtils]: 33: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,481 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {22663#true} {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} #87#return; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-08 05:59:08,481 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,481 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,481 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,481 INFO L272 TraceCheckUtils]: 28: Hoare triple {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L290 TraceCheckUtils]: 27: Hoare triple {22663#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {23363#(or (<= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* (+ main_~q~0 (* (- 1) main_~p~0)) main_~xy~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~yy~0)) (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0))) (* (+ (* (+ main_~s~0 (* (- 1) main_~r~0)) main_~y~0) (* main_~x~0 (+ main_~q~0 (* (- 1) main_~p~0)))) main_~y~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (<= (+ main_~b~0 (* (* main_~y~0 main_~r~0) 2) (* 2 (* main_~p~0 main_~x~0))) (+ (* 2 (* main_~y~0 main_~s~0)) (* (* main_~q~0 main_~x~0) 2))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (= main_~a~0 (+ (* (- 1) main_~y~0 main_~s~0) (* main_~y~0 main_~r~0) main_~b~0 (* (- 1) main_~q~0 main_~x~0) (* (- 1) main_~q~0 main_~x~0 0) (* main_~p~0 main_~x~0) (* (- 1) main_~y~0 main_~s~0 0)))))} is VALID [2022-04-08 05:59:08,483 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L272 TraceCheckUtils]: 22: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,483 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L272 TraceCheckUtils]: 17: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L272 TraceCheckUtils]: 12: Hoare triple {22663#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 11: Hoare triple {22663#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L272 TraceCheckUtils]: 6: Hoare triple {22663#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L290 TraceCheckUtils]: 5: Hoare triple {22663#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-08 05:59:08,484 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-08 05:59:08,485 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-08 05:59:08,485 INFO L290 TraceCheckUtils]: 1: Hoare triple {22663#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {22663#true} is VALID [2022-04-08 05:59:08,485 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-08 05:59:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 114 proven. 88 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-04-08 05:59:08,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 05:59:08,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080817466] [2022-04-08 05:59:08,486 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 05:59:08,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117108709] [2022-04-08 05:59:08,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117108709] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 05:59:08,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 05:59:08,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 29 [2022-04-08 05:59:08,486 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 05:59:08,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [102105483] [2022-04-08 05:59:08,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [102105483] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 05:59:08,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 05:59:08,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-08 05:59:08,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347678395] [2022-04-08 05:59:08,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 05:59:08,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-08 05:59:08,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 05:59:08,500 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 05:59:08,605 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 05:59:08,605 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-08 05:59:08,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 05:59:08,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-08 05:59:08,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2022-04-08 05:59:08,606 INFO L87 Difference]: Start difference. First operand 264 states and 353 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 05:59:14,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:59:14,036 INFO L93 Difference]: Finished difference Result 281 states and 367 transitions. [2022-04-08 05:59:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-08 05:59:14,036 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 132 [2022-04-08 05:59:14,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 05:59:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 05:59:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-08 05:59:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 05:59:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-08 05:59:14,039 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 125 transitions. [2022-04-08 05:59:14,230 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 05:59:14,235 INFO L225 Difference]: With dead ends: 281 [2022-04-08 05:59:14,235 INFO L226 Difference]: Without dead ends: 279 [2022-04-08 05:59:14,236 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=260, Invalid=930, Unknown=0, NotChecked=0, Total=1190 [2022-04-08 05:59:14,236 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-08 05:59:14,236 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 266 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-08 05:59:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-08 05:59:14,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2022-04-08 05:59:14,796 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 05:59:14,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 05:59:14,797 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 05:59:14,797 INFO L87 Difference]: Start difference. First operand 279 states. Second operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 05:59:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:59:14,802 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-08 05:59:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-08 05:59:14,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:59:14,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:59:14,803 INFO L74 IsIncluded]: Start isIncluded. First operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 279 states. [2022-04-08 05:59:14,803 INFO L87 Difference]: Start difference. First operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) Second operand 279 states. [2022-04-08 05:59:14,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 05:59:14,808 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-08 05:59:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-08 05:59:14,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 05:59:14,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 05:59:14,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 05:59:14,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 05:59:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 134 states have internal predecessors, (150), 85 states have call successors, (85), 25 states have call predecessors, (85), 24 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2022-04-08 05:59:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 318 transitions. [2022-04-08 05:59:14,813 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 318 transitions. Word has length 132 [2022-04-08 05:59:14,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 05:59:14,814 INFO L478 AbstractCegarLoop]: Abstraction has 243 states and 318 transitions. [2022-04-08 05:59:14,814 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 7 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-04-08 05:59:14,814 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 243 states and 318 transitions. [2022-04-08 05:59:15,567 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 318 edges. 318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 05:59:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 318 transitions. [2022-04-08 05:59:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-08 05:59:15,568 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 05:59:15,568 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 05:59:15,587 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 05:59:15,768 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 05:59:15,769 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 05:59:15,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 05:59:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-08 05:59:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 05:59:15,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1564410181] [2022-04-08 05:59:15,769 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 05:59:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-08 05:59:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 05:59:15,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640581807] [2022-04-08 05:59:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 05:59:15,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 05:59:15,784 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 05:59:15,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438921147] [2022-04-08 05:59:15,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 05:59:15,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 05:59:15,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 05:59:15,785 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 05:59:15,786 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 05:59:15,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 05:59:15,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 05:59:15,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-08 05:59:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 05:59:15,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 05:59:17,089 INFO L272 TraceCheckUtils]: 0: Hoare triple {25101#true} call ULTIMATE.init(); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 1: Hoare triple {25101#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 2: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25101#true} {25101#true} #103#return; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L272 TraceCheckUtils]: 4: Hoare triple {25101#true} call #t~ret6 := main(); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 5: Hoare triple {25101#true} havoc ~x~0;havoc ~y~0;havoc ~a~0;havoc ~b~0;havoc ~p~0;havoc ~q~0;havoc ~r~0;havoc ~s~0;havoc ~c~0;havoc ~k~0;havoc ~xy~0;havoc ~yy~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~x~0 := #t~nondet4;havoc #t~nondet4; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L272 TraceCheckUtils]: 6: Hoare triple {25101#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 7: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 8: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 9: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25101#true} {25101#true} #79#return; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 11: Hoare triple {25101#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L272 TraceCheckUtils]: 12: Hoare triple {25101#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 13: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 14: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L290 TraceCheckUtils]: 15: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,090 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25101#true} {25101#true} #81#return; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L272 TraceCheckUtils]: 17: Hoare triple {25101#true} call assume_abort_if_not((if ~x~0 >= 1 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 18: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 19: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 20: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25101#true} {25101#true} #83#return; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L272 TraceCheckUtils]: 22: Hoare triple {25101#true} call assume_abort_if_not((if ~y~0 >= 1 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 23: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 24: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 25: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25101#true} {25101#true} #85#return; {25101#true} is VALID [2022-04-08 05:59:17,091 INFO L290 TraceCheckUtils]: 27: Hoare triple {25101#true} ~a~0 := ~x~0;~b~0 := ~y~0;~p~0 := 1;~q~0 := 0;~r~0 := 0;~s~0 := 1;~c~0 := 0;~k~0 := 0;~xy~0 := ~x~0 * ~y~0;~yy~0 := ~y~0 * ~y~0; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,092 INFO L272 TraceCheckUtils]: 28: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~xy~0 < 2147483647 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 29: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 30: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 31: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {25101#true} {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #87#return; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,092 INFO L272 TraceCheckUtils]: 33: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call assume_abort_if_not((if ~yy~0 < 2147483647 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 34: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 35: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,092 INFO L290 TraceCheckUtils]: 36: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,093 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {25101#true} {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #89#return; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,093 INFO L290 TraceCheckUtils]: 38: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,094 INFO L290 TraceCheckUtils]: 39: Hoare triple {25187#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,094 INFO L290 TraceCheckUtils]: 40: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,094 INFO L272 TraceCheckUtils]: 41: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,094 INFO L290 TraceCheckUtils]: 42: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,094 INFO L290 TraceCheckUtils]: 43: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,094 INFO L290 TraceCheckUtils]: 44: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,095 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,095 INFO L272 TraceCheckUtils]: 46: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,095 INFO L290 TraceCheckUtils]: 47: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,095 INFO L290 TraceCheckUtils]: 48: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,095 INFO L290 TraceCheckUtils]: 49: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,096 INFO L272 TraceCheckUtils]: 51: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L290 TraceCheckUtils]: 52: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L290 TraceCheckUtils]: 53: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L290 TraceCheckUtils]: 54: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,096 INFO L272 TraceCheckUtils]: 56: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L290 TraceCheckUtils]: 57: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,096 INFO L290 TraceCheckUtils]: 58: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,097 INFO L290 TraceCheckUtils]: 59: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,097 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {25101#true} {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,098 INFO L290 TraceCheckUtils]: 61: Hoare triple {25224#(and (= main_~r~0 0) (= main_~c~0 main_~a~0) (= main_~k~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,098 INFO L290 TraceCheckUtils]: 62: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,098 INFO L272 TraceCheckUtils]: 63: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,098 INFO L290 TraceCheckUtils]: 64: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,098 INFO L290 TraceCheckUtils]: 65: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,098 INFO L290 TraceCheckUtils]: 66: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,099 INFO L284 TraceCheckUtils]: 67: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,099 INFO L272 TraceCheckUtils]: 68: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,099 INFO L290 TraceCheckUtils]: 69: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,099 INFO L290 TraceCheckUtils]: 70: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,099 INFO L290 TraceCheckUtils]: 71: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,100 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,100 INFO L272 TraceCheckUtils]: 73: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,100 INFO L290 TraceCheckUtils]: 74: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,100 INFO L290 TraceCheckUtils]: 75: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,100 INFO L290 TraceCheckUtils]: 76: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,101 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,101 INFO L272 TraceCheckUtils]: 78: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,101 INFO L290 TraceCheckUtils]: 79: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,101 INFO L290 TraceCheckUtils]: 80: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,101 INFO L290 TraceCheckUtils]: 81: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,101 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {25101#true} {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,102 INFO L290 TraceCheckUtils]: 83: Hoare triple {25291#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~a~0 (+ main_~c~0 main_~b~0)) (= (+ (- 1) main_~k~0) 0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,103 INFO L290 TraceCheckUtils]: 84: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,103 INFO L272 TraceCheckUtils]: 85: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,103 INFO L290 TraceCheckUtils]: 86: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,103 INFO L290 TraceCheckUtils]: 87: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,103 INFO L290 TraceCheckUtils]: 88: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L284 TraceCheckUtils]: 89: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,104 INFO L272 TraceCheckUtils]: 90: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L290 TraceCheckUtils]: 91: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L290 TraceCheckUtils]: 92: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L290 TraceCheckUtils]: 93: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,104 INFO L272 TraceCheckUtils]: 95: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L290 TraceCheckUtils]: 96: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,104 INFO L290 TraceCheckUtils]: 97: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,105 INFO L290 TraceCheckUtils]: 98: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,105 INFO L284 TraceCheckUtils]: 99: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #95#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,105 INFO L272 TraceCheckUtils]: 100: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,105 INFO L290 TraceCheckUtils]: 101: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,105 INFO L290 TraceCheckUtils]: 102: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,105 INFO L290 TraceCheckUtils]: 103: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,106 INFO L284 TraceCheckUtils]: 104: Hoare quadruple {25101#true} {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #97#return; {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,107 INFO L290 TraceCheckUtils]: 105: Hoare triple {25358#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= (+ (* (- 2) main_~b~0) main_~a~0) main_~c~0) (= main_~q~0 0) (= (+ (- 2) main_~k~0) 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,107 INFO L290 TraceCheckUtils]: 106: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} assume !false; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,107 INFO L272 TraceCheckUtils]: 107: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~k~0 * ~b~0 + ~c~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,107 INFO L290 TraceCheckUtils]: 108: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:59:17,108 INFO L290 TraceCheckUtils]: 109: Hoare triple {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:17,108 INFO L290 TraceCheckUtils]: 110: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:17,108 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #91#return; {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,109 INFO L272 TraceCheckUtils]: 112: Hoare triple {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} call __VERIFIER_assert((if ~a~0 == ~y~0 * ~r~0 + ~x~0 * ~p~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,109 INFO L290 TraceCheckUtils]: 113: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:59:17,109 INFO L290 TraceCheckUtils]: 114: Hoare triple {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} assume !(0 == ~cond); {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:17,109 INFO L290 TraceCheckUtils]: 115: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 05:59:17,123 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} {25425#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~k~0 3) (= (+ (* (- 2) main_~b~0) main_~a~0) (+ main_~c~0 main_~b~0)) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} #93#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,123 INFO L272 TraceCheckUtils]: 117: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if ~b~0 == ~x~0 * ~q~0 + ~y~0 * ~s~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,123 INFO L290 TraceCheckUtils]: 118: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,123 INFO L290 TraceCheckUtils]: 119: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,123 INFO L290 TraceCheckUtils]: 120: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,124 INFO L284 TraceCheckUtils]: 121: Hoare quadruple {25101#true} {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #95#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,124 INFO L272 TraceCheckUtils]: 122: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~xy~0 + ~s~0 * ~yy~0 - ~q~0 * ~x~0 - ~b~0 * ~y~0 - ~s~0 * ~y~0 + ~b~0 then 1 else 0)); {25101#true} is VALID [2022-04-08 05:59:17,124 INFO L290 TraceCheckUtils]: 123: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-08 05:59:17,124 INFO L290 TraceCheckUtils]: 124: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-08 05:59:17,124 INFO L290 TraceCheckUtils]: 125: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-08 05:59:17,124 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {25101#true} {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} #97#return; {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,125 INFO L290 TraceCheckUtils]: 127: Hoare triple {25461#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~b~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (<= 0 main_~c~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~p~0 1))} assume !(~c~0 >= ~b~0); {25495#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~y~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (not (<= main_~y~0 main_~c~0)) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~p~0 1))} is VALID [2022-04-08 05:59:17,126 INFO L290 TraceCheckUtils]: 128: Hoare triple {25495#(and (= main_~r~0 0) (= (+ main_~c~0 (* main_~y~0 3)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (= main_~s~0 1) (= main_~k~0 3) (not (<= main_~y~0 main_~c~0)) (<= 0 main_~c~0) (= main_~q~0 0) (= main_~p~0 1))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-08 05:59:17,126 INFO L290 TraceCheckUtils]: 129: Hoare triple {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} assume !false; {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-08 05:59:17,126 INFO L290 TraceCheckUtils]: 130: Hoare triple {25499#(and (<= 0 (+ main_~x~0 (* main_~y~0 main_~s~0))) (not (<= main_~y~0 (+ main_~x~0 (* main_~y~0 main_~s~0)))) (= (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~b~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} assume !(0 != ~b~0); {25506#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} is VALID [2022-04-08 05:59:17,127 INFO L272 TraceCheckUtils]: 131: Hoare triple {25506#(and (= (+ main_~x~0 (* main_~y~0 main_~s~0)) 0) (< (+ main_~x~0 (* main_~y~0 main_~s~0)) main_~y~0) (= (+ main_~s~0 3) 0) (= main_~q~0 1))} call __VERIFIER_assert((if 0 == ~q~0 * ~x~0 + ~s~0 * ~y~0 then 1 else 0)); {25510#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 05:59:17,127 INFO L290 TraceCheckUtils]: 132: Hoare triple {25510#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {25514#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 05:59:17,127 INFO L290 TraceCheckUtils]: 133: Hoare triple {25514#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25102#false} is VALID [2022-04-08 05:59:17,127 INFO L290 TraceCheckUtils]: 134: Hoare triple {25102#false} assume !false; {25102#false} is VALID [2022-04-08 05:59:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 102 proven. 52 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-04-08 05:59:17,128 INFO L328 TraceCheckSpWp]: Computing backward predicates...