/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 14:56:35,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 14:56:35,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 14:56:35,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 14:56:35,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 14:56:35,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 14:56:35,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 14:56:35,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 14:56:35,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 14:56:35,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 14:56:35,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 14:56:35,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 14:56:35,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 14:56:35,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 14:56:35,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 14:56:35,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 14:56:35,698 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 14:56:35,699 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 14:56:35,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 14:56:35,699 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 14:56:35,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 14:56:35,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 14:56:35,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 14:56:35,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 14:56:35,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 14:56:35,935 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 14:56:35,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-15 14:56:35,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e96b344/82ca8d32789e4119a75baaa506b7d187/FLAG87ec4351f [2022-04-15 14:56:36,344 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 14:56:36,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-15 14:56:36,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e96b344/82ca8d32789e4119a75baaa506b7d187/FLAG87ec4351f [2022-04-15 14:56:36,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e96b344/82ca8d32789e4119a75baaa506b7d187 [2022-04-15 14:56:36,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 14:56:36,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 14:56:36,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 14:56:36,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 14:56:36,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 14:56:36,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:36,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6657afa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36, skipping insertion in model container [2022-04-15 14:56:36,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:36,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 14:56:36,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 14:56:36,924 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] [2022-04-15 14:56:36,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 14:56:36,948 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 14:56:36,958 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] [2022-04-15 14:56:36,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 14:56:36,978 INFO L208 MainTranslator]: Completed translation [2022-04-15 14:56:36,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36 WrapperNode [2022-04-15 14:56:36,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 14:56:36,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 14:56:36,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 14:56:36,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 14:56:36,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:36,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 14:56:37,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 14:56:37,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 14:56:37,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 14:56:37,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (1/1) ... [2022-04-15 14:56:37,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 14:56:37,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:37,068 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) [2022-04-15 14:56:37,070 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 [2022-04-15 14:56:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 14:56:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 14:56:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 14:56:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 14:56:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 14:56:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 14:56:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 14:56:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 14:56:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 14:56:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 14:56:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 14:56:37,144 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 14:56:37,146 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 14:56:37,313 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 14:56:37,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 14:56:37,319 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-15 14:56:37,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 02:56:37 BoogieIcfgContainer [2022-04-15 14:56:37,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 14:56:37,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 14:56:37,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 14:56:37,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 14:56:37,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 02:56:36" (1/3) ... [2022-04-15 14:56:37,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b60574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 02:56:37, skipping insertion in model container [2022-04-15 14:56:37,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 02:56:36" (2/3) ... [2022-04-15 14:56:37,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b60574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 02:56:37, skipping insertion in model container [2022-04-15 14:56:37,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 02:56:37" (3/3) ... [2022-04-15 14:56:37,327 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2022-04-15 14:56:37,330 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 14:56:37,330 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 14:56:37,362 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 14:56:37,368 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 [2022-04-15 14:56:37,368 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 14:56:37,391 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) [2022-04-15 14:56:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-15 14:56:37,399 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:37,399 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] [2022-04-15 14:56:37,400 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-15 14:56:37,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:37,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1238673530] [2022-04-15 14:56:37,430 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:37,431 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-15 14:56:37,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:37,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845023407] [2022-04-15 14:56:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 14:56:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,664 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 [2022-04-15 14:56:37,664 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 14:56:37,665 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 14:56:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 14:56:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,690 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,693 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,694 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,694 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 14:56:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-15 14:56:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,706 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,706 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,706 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 14:56:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-15 14:56:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,717 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,718 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,718 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,718 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 14:56:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-15 14:56:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,728 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,730 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,731 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,731 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 14:56:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-15 14:56:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,738 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,738 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,739 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,740 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 14:56:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-15 14:56:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:37,753 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,754 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,754 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,754 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 14:56:37,755 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 [2022-04-15 14:56:37,755 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 [2022-04-15 14:56:37,756 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 14:56:37,756 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 14:56:37,756 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-15 14:56:37,756 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 [2022-04-15 14:56:37,757 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 [2022-04-15 14:56:37,757 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,757 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,758 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,758 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 14:56:37,759 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 [2022-04-15 14:56:37,759 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 [2022-04-15 14:56:37,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,760 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,761 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,761 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 14:56:37,761 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 [2022-04-15 14:56:37,761 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,761 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,762 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,762 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 14:56:37,762 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 [2022-04-15 14:56:37,762 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,763 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,763 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,763 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 14:56:37,763 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 [2022-04-15 14:56:37,763 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 [2022-04-15 14:56:37,764 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,764 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,764 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,765 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 14:56:37,765 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 [2022-04-15 14:56:37,765 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 14:56:37,765 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 14:56:37,766 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 14:56:37,766 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 14:56:37,766 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-15 14:56:37,766 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 [2022-04-15 14:56:37,766 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-15 14:56:37,767 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-15 14:56:37,767 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-15 14:56:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:37,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:37,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845023407] [2022-04-15 14:56:37,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845023407] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:37,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:37,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 14:56:37,771 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:37,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1238673530] [2022-04-15 14:56:37,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1238673530] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:37,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:37,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 14:56:37,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103406852] [2022-04-15 14:56:37,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:37,777 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 [2022-04-15 14:56:37,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:37,782 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) [2022-04-15 14:56:37,830 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:37,830 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 14:56:37,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:37,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 14:56:37,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 14:56:37,861 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) [2022-04-15 14:56:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:38,066 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-15 14:56:38,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 14:56:38,066 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 [2022-04-15 14:56:38,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:38,068 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) [2022-04-15 14:56:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 14:56:38,086 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) [2022-04-15 14:56:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 14:56:38,104 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-15 14:56:38,258 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:38,267 INFO L225 Difference]: With dead ends: 73 [2022-04-15 14:56:38,267 INFO L226 Difference]: Without dead ends: 35 [2022-04-15 14:56:38,272 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 [2022-04-15 14:56:38,274 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 [2022-04-15 14:56:38,275 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] [2022-04-15 14:56:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-15 14:56:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-15 14:56:38,301 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:38,302 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) [2022-04-15 14:56:38,303 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) [2022-04-15 14:56:38,304 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) [2022-04-15 14:56:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:38,310 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 14:56:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:38,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:38,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:38,312 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. [2022-04-15 14:56:38,313 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. [2022-04-15 14:56:38,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:38,318 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 14:56:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:38,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:38,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:38,319 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:38,320 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:38,320 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) [2022-04-15 14:56:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-15 14:56:38,325 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-15 14:56:38,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:38,325 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-15 14:56:38,326 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) [2022-04-15 14:56:38,326 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-15 14:56:38,381 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 14:56:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-15 14:56:38,383 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:38,383 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] [2022-04-15 14:56:38,383 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 14:56:38,383 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:38,384 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-15 14:56:38,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:38,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [550947749] [2022-04-15 14:56:38,385 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:38,385 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-15 14:56:38,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:38,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143792236] [2022-04-15 14:56:38,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:38,409 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:38,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079962944] [2022-04-15 14:56:38,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:38,415 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) [2022-04-15 14:56:38,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 14:56:38,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:38,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:38,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 14:56:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:38,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:38,735 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 14:56:38,736 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 [2022-04-15 14:56:38,736 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,736 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 14:56:38,736 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 14:56:38,737 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 [2022-04-15 14:56:38,737 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 [2022-04-15 14:56:38,737 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:38,737 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:38,737 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,738 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 14:56:38,738 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 [2022-04-15 14:56:38,739 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 [2022-04-15 14:56:38,739 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:38,739 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:38,739 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,740 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 14:56:38,740 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 [2022-04-15 14:56:38,740 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:38,740 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:38,742 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,743 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 14:56:38,743 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 [2022-04-15 14:56:38,744 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 [2022-04-15 14:56:38,744 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 [2022-04-15 14:56:38,744 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 [2022-04-15 14:56:38,746 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 [2022-04-15 14:56:38,746 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 [2022-04-15 14:56:38,747 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 [2022-04-15 14:56:38,747 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:38,749 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:38,750 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,751 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:38,752 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 [2022-04-15 14:56:38,754 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:38,754 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:38,758 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:38,759 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:38,759 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:38,760 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 14:56:38,760 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 [2022-04-15 14:56:38,760 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 14:56:38,761 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 14:56:38,761 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 14:56:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-15 14:56:38,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:56:39,054 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 14:56:39,055 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 14:56:39,055 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 14:56:39,055 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 [2022-04-15 14:56:39,056 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 14:56:39,057 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:39,057 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #89#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:39,058 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,058 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:39,058 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:39,058 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 [2022-04-15 14:56:39,061 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {361#true} {450#(<= 1 main_~b~0)} #87#return; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 14:56:39,061 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,061 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:39,061 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:39,061 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 [2022-04-15 14:56:39,069 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 [2022-04-15 14:56:39,070 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 [2022-04-15 14:56:39,070 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 [2022-04-15 14:56:39,071 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 [2022-04-15 14:56:39,071 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 [2022-04-15 14:56:39,071 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 [2022-04-15 14:56:39,071 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 14:56:39,072 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,072 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:39,072 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:39,072 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 [2022-04-15 14:56:39,072 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 14:56:39,072 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,072 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:39,073 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:39,073 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 [2022-04-15 14:56:39,073 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 [2022-04-15 14:56:39,073 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 14:56:39,073 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,073 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 14:56:39,073 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 14:56:39,074 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 [2022-04-15 14:56:39,074 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 [2022-04-15 14:56:39,074 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 14:56:39,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 14:56:39,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 14:56:39,074 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 [2022-04-15 14:56:39,074 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 14:56:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-04-15 14:56:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:39,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143792236] [2022-04-15 14:56:39,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:39,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079962944] [2022-04-15 14:56:39,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079962944] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:56:39,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:56:39,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-15 14:56:39,077 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:39,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [550947749] [2022-04-15 14:56:39,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [550947749] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:39,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:39,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 14:56:39,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238194033] [2022-04-15 14:56:39,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:39,078 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 [2022-04-15 14:56:39,079 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:39,079 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) [2022-04-15 14:56:39,105 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:39,105 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 14:56:39,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:39,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 14:56:39,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 14:56:39,106 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) [2022-04-15 14:56:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:39,467 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-15 14:56:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 14:56:39,467 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 [2022-04-15 14:56:39,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:39,468 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) [2022-04-15 14:56:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 14:56:39,473 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) [2022-04-15 14:56:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 14:56:39,476 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-15 14:56:39,548 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:39,550 INFO L225 Difference]: With dead ends: 52 [2022-04-15 14:56:39,550 INFO L226 Difference]: Without dead ends: 44 [2022-04-15 14:56:39,550 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 [2022-04-15 14:56:39,551 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 [2022-04-15 14:56:39,552 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] [2022-04-15 14:56:39,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-15 14:56:39,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-15 14:56:39,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:39,575 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) [2022-04-15 14:56:39,576 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) [2022-04-15 14:56:39,576 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) [2022-04-15 14:56:39,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:39,580 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 14:56:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 14:56:39,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:39,581 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:39,581 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. [2022-04-15 14:56:39,582 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. [2022-04-15 14:56:39,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:39,589 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 14:56:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 14:56:39,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:39,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:39,590 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:39,590 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:39,591 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) [2022-04-15 14:56:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-15 14:56:39,597 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-15 14:56:39,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:39,597 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-15 14:56:39,597 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) [2022-04-15 14:56:39,597 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-15 14:56:39,646 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-15 14:56:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-15 14:56:39,648 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:39,648 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] [2022-04-15 14:56:39,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-15 14:56:39,872 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 [2022-04-15 14:56:39,873 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:39,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-15 14:56:39,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:39,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [9671868] [2022-04-15 14:56:39,874 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:39,874 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-15 14:56:39,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:39,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840509250] [2022-04-15 14:56:39,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:39,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:39,895 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:39,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938788467] [2022-04-15 14:56:39,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:39,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:39,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:39,897 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) [2022-04-15 14:56:39,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 14:56:39,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-15 14:56:39,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:39,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-15 14:56:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:39,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:40,118 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-15 14:56:40,119 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 [2022-04-15 14:56:40,119 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,119 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-15 14:56:40,119 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-15 14:56:40,119 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 [2022-04-15 14:56:40,119 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 [2022-04-15 14:56:40,120 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,120 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,120 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,120 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-15 14:56:40,120 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 [2022-04-15 14:56:40,120 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 [2022-04-15 14:56:40,120 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,121 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,121 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-15 14:56:40,121 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 [2022-04-15 14:56:40,121 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,121 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,122 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-15 14:56:40,122 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 [2022-04-15 14:56:40,122 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,122 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,122 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,122 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-15 14:56:40,122 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 [2022-04-15 14:56:40,123 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 [2022-04-15 14:56:40,123 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,123 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,123 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,123 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-15 14:56:40,123 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 [2022-04-15 14:56:40,124 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 14:56:40,124 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 14:56:40,124 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 14:56:40,124 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-15 14:56:40,124 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-15 14:56:40,127 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 [2022-04-15 14:56:40,127 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 [2022-04-15 14:56:40,128 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 [2022-04-15 14:56:40,128 INFO L290 TraceCheckUtils]: 42: Hoare triple {1030#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1034#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:40,129 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-15 14:56:40,129 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-15 14:56:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:40,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:40,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:40,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840509250] [2022-04-15 14:56:40,130 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:40,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938788467] [2022-04-15 14:56:40,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938788467] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:40,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:40,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:40,131 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:40,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [9671868] [2022-04-15 14:56:40,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [9671868] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:40,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:40,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:40,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589637617] [2022-04-15 14:56:40,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:40,132 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 [2022-04-15 14:56:40,132 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:40,132 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) [2022-04-15 14:56:40,153 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:40,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:40,155 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) [2022-04-15 14:56:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:40,380 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-15 14:56:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:40,381 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 [2022-04-15 14:56:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:40,381 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) [2022-04-15 14:56:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 14:56:40,383 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) [2022-04-15 14:56:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 14:56:40,385 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-15 14:56:40,445 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:40,449 INFO L225 Difference]: With dead ends: 50 [2022-04-15 14:56:40,449 INFO L226 Difference]: Without dead ends: 48 [2022-04-15 14:56:40,450 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 [2022-04-15 14:56:40,456 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 [2022-04-15 14:56:40,457 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] [2022-04-15 14:56:40,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-15 14:56:40,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-15 14:56:40,487 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:40,488 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) [2022-04-15 14:56:40,490 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) [2022-04-15 14:56:40,491 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) [2022-04-15 14:56:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:40,496 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 14:56:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 14:56:40,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:40,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:40,499 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. [2022-04-15 14:56:40,499 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. [2022-04-15 14:56:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:40,505 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 14:56:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 14:56:40,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:40,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:40,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:40,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:40,511 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) [2022-04-15 14:56:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-15 14:56:40,516 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-15 14:56:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:40,516 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-15 14:56:40,516 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) [2022-04-15 14:56:40,517 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-15 14:56:40,575 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-15 14:56:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-15 14:56:40,578 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:40,578 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] [2022-04-15 14:56:40,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-15 14:56:40,791 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-15 14:56:40,791 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:40,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:40,792 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-15 14:56:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:40,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [6718720] [2022-04-15 14:56:40,792 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:40,792 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-15 14:56:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:40,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652012011] [2022-04-15 14:56:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:40,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:40,815 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:40,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833202477] [2022-04-15 14:56:40,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:40,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:40,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:40,817 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) [2022-04-15 14:56:40,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-15 14:56:40,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:40,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:40,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:56:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:40,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:41,077 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-15 14:56:41,077 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 [2022-04-15 14:56:41,077 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,077 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-15 14:56:41,077 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-15 14:56:41,077 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 [2022-04-15 14:56:41,078 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 [2022-04-15 14:56:41,078 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,078 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,078 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,078 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-15 14:56:41,078 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 [2022-04-15 14:56:41,078 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 [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,079 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-15 14:56:41,079 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 [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,079 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,080 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-15 14:56:41,080 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 [2022-04-15 14:56:41,080 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,080 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,080 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,080 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-15 14:56:41,081 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 [2022-04-15 14:56:41,081 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 [2022-04-15 14:56:41,081 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,081 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,081 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,082 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 [2022-04-15 14:56:41,082 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 [2022-04-15 14:56:41,083 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,083 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,083 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,084 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 [2022-04-15 14:56:41,084 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 [2022-04-15 14:56:41,084 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 [2022-04-15 14:56:41,085 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 [2022-04-15 14:56:41,085 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 [2022-04-15 14:56:41,085 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 14:56:41,085 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 14:56:41,085 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 14:56:41,086 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 [2022-04-15 14:56:41,087 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 [2022-04-15 14:56:41,088 INFO L290 TraceCheckUtils]: 47: Hoare triple {1468#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1472#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:41,088 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-15 14:56:41,088 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-15 14:56:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-15 14:56:41,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:41,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:41,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652012011] [2022-04-15 14:56:41,089 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:41,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833202477] [2022-04-15 14:56:41,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833202477] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:41,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:41,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:41,089 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:41,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [6718720] [2022-04-15 14:56:41,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [6718720] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:41,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:41,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825858094] [2022-04-15 14:56:41,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:41,090 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 [2022-04-15 14:56:41,091 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:41,091 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) [2022-04-15 14:56:41,118 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:41,119 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:41,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:41,120 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) [2022-04-15 14:56:41,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:41,342 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-15 14:56:41,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:41,342 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 [2022-04-15 14:56:41,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:41,343 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) [2022-04-15 14:56:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:41,344 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) [2022-04-15 14:56:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:41,346 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 14:56:41,401 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:41,403 INFO L225 Difference]: With dead ends: 58 [2022-04-15 14:56:41,403 INFO L226 Difference]: Without dead ends: 56 [2022-04-15 14:56:41,403 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 [2022-04-15 14:56:41,404 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 [2022-04-15 14:56:41,405 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] [2022-04-15 14:56:41,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-15 14:56:41,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-15 14:56:41,441 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:41,441 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) [2022-04-15 14:56:41,441 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) [2022-04-15 14:56:41,442 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) [2022-04-15 14:56:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:41,444 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 14:56:41,445 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 14:56:41,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:41,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:41,445 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. [2022-04-15 14:56:41,446 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. [2022-04-15 14:56:41,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:41,448 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 14:56:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 14:56:41,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:41,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:41,449 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:41,449 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:41,449 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) [2022-04-15 14:56:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-15 14:56:41,452 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-15 14:56:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:41,452 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-15 14:56:41,452 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) [2022-04-15 14:56:41,452 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-15 14:56:41,540 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-15 14:56:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-15 14:56:41,542 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:41,542 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] [2022-04-15 14:56:41,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-15 14:56:41,765 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 [2022-04-15 14:56:41,765 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:41,765 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-15 14:56:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:41,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1963328408] [2022-04-15 14:56:41,766 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:41,766 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-15 14:56:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:41,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403805445] [2022-04-15 14:56:41,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:41,783 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:41,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433263465] [2022-04-15 14:56:41,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:41,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:41,784 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) [2022-04-15 14:56:41,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-15 14:56:41,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:41,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:41,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:56:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:41,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:42,109 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-15 14:56:42,110 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 [2022-04-15 14:56:42,110 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,110 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-15 14:56:42,110 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-15 14:56:42,110 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 [2022-04-15 14:56:42,110 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 [2022-04-15 14:56:42,111 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,111 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,111 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,111 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-15 14:56:42,111 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 [2022-04-15 14:56:42,111 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 [2022-04-15 14:56:42,111 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,111 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,112 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,112 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-15 14:56:42,112 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 [2022-04-15 14:56:42,112 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,112 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,112 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,112 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-15 14:56:42,112 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 [2022-04-15 14:56:42,113 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,113 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,113 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,113 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-15 14:56:42,114 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 [2022-04-15 14:56:42,114 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 [2022-04-15 14:56:42,114 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,114 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,114 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,115 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 [2022-04-15 14:56:42,115 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 [2022-04-15 14:56:42,115 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,115 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,115 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,116 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 [2022-04-15 14:56:42,116 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 [2022-04-15 14:56:42,117 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 [2022-04-15 14:56:42,117 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 [2022-04-15 14:56:42,117 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 [2022-04-15 14:56:42,117 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,117 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,117 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,118 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 [2022-04-15 14:56:42,118 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 [2022-04-15 14:56:42,118 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 14:56:42,118 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 14:56:42,119 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 14:56:42,119 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 [2022-04-15 14:56:42,120 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 [2022-04-15 14:56:42,120 INFO L290 TraceCheckUtils]: 52: Hoare triple {1977#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1981#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:42,121 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-15 14:56:42,121 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-15 14:56:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-04-15 14:56:42,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:56:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:56:42,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403805445] [2022-04-15 14:56:42,122 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:56:42,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433263465] [2022-04-15 14:56:42,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433263465] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:42,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:42,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:42,122 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:56:42,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1963328408] [2022-04-15 14:56:42,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1963328408] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:56:42,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:56:42,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:56:42,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021725324] [2022-04-15 14:56:42,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:56:42,123 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 [2022-04-15 14:56:42,124 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:56:42,124 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) [2022-04-15 14:56:42,154 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:42,154 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:56:42,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:42,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:56:42,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:56:42,155 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) [2022-04-15 14:56:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:42,413 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-15 14:56:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:56:42,413 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 [2022-04-15 14:56:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:56:42,414 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) [2022-04-15 14:56:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:42,415 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) [2022-04-15 14:56:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 14:56:42,417 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 14:56:42,470 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:42,472 INFO L225 Difference]: With dead ends: 62 [2022-04-15 14:56:42,472 INFO L226 Difference]: Without dead ends: 60 [2022-04-15 14:56:42,472 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 [2022-04-15 14:56:42,473 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 [2022-04-15 14:56:42,473 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] [2022-04-15 14:56:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-15 14:56:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-15 14:56:42,512 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:56:42,513 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) [2022-04-15 14:56:42,513 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) [2022-04-15 14:56:42,513 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) [2022-04-15 14:56:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:42,516 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 14:56:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 14:56:42,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:42,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:42,517 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. [2022-04-15 14:56:42,517 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. [2022-04-15 14:56:42,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:56:42,520 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 14:56:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 14:56:42,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:56:42,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:56:42,520 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:56:42,520 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:56:42,521 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) [2022-04-15 14:56:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-15 14:56:42,523 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-15 14:56:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:56:42,523 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-15 14:56:42,523 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) [2022-04-15 14:56:42,524 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-15 14:56:42,615 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:56:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-15 14:56:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-15 14:56:42,616 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:56:42,617 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] [2022-04-15 14:56:42,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-15 14:56:42,829 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 [2022-04-15 14:56:42,829 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:56:42,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:56:42,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-15 14:56:42,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:56:42,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [532326334] [2022-04-15 14:56:42,831 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:56:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-15 14:56:42,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:56:42,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134293638] [2022-04-15 14:56:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:56:42,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:56:42,848 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:56:42,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323830555] [2022-04-15 14:56:42,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:56:42,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:56:42,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:56:42,849 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) [2022-04-15 14:56:42,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-15 14:56:42,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:56:42,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:56:42,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-15 14:56:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:56:42,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:56:43,292 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-15 14:56:43,292 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 [2022-04-15 14:56:43,292 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,292 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-15 14:56:43,292 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-15 14:56:43,293 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 [2022-04-15 14:56:43,293 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 [2022-04-15 14:56:43,293 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,293 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,293 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-15 14:56:43,293 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 [2022-04-15 14:56:43,294 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 [2022-04-15 14:56:43,294 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,294 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,294 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,294 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-15 14:56:43,294 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 [2022-04-15 14:56:43,294 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,294 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,295 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,295 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-15 14:56:43,295 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 [2022-04-15 14:56:43,295 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,295 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,295 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,295 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-15 14:56:43,296 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 [2022-04-15 14:56:43,296 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 [2022-04-15 14:56:43,296 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,296 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,296 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,297 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 [2022-04-15 14:56:43,297 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 [2022-04-15 14:56:43,297 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,298 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,298 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,298 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 [2022-04-15 14:56:43,299 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 [2022-04-15 14:56:43,299 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 [2022-04-15 14:56:43,300 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 [2022-04-15 14:56:43,300 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 [2022-04-15 14:56:43,300 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 14:56:43,300 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 14:56:43,300 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 14:56:43,301 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 [2022-04-15 14:56:43,301 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 [2022-04-15 14:56:43,301 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:43,302 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 [2022-04-15 14:56:43,302 INFO L290 TraceCheckUtils]: 49: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:43,303 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 [2022-04-15 14:56:43,303 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 [2022-04-15 14:56:43,303 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:43,304 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 [2022-04-15 14:56:43,305 INFO L290 TraceCheckUtils]: 54: Hoare triple {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {2502#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:56:43,306 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 [2022-04-15 14:56:43,307 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 [2022-04-15 14:56:43,307 INFO L290 TraceCheckUtils]: 57: Hoare triple {2527#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2531#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:56:43,308 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-15 14:56:43,308 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-15 14:56:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-15 14:56:43,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:36,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134293638] [2022-04-15 14:57:36,882 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:36,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323830555] [2022-04-15 14:57:36,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323830555] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 14:57:36,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:57:36,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-15 14:57:36,883 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:36,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [532326334] [2022-04-15 14:57:36,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [532326334] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:36,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:36,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 14:57:36,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325457462] [2022-04-15 14:57:36,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:36,883 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 [2022-04-15 14:57:36,884 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:36,884 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) [2022-04-15 14:57:36,931 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:36,931 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 14:57:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:36,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 14:57:36,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 14:57:36,932 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) [2022-04-15 14:57:37,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:37,384 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-15 14:57:37,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 14:57:37,385 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 [2022-04-15 14:57:37,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:37,385 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) [2022-04-15 14:57:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 14:57:37,386 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) [2022-04-15 14:57:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 14:57:37,388 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-15 14:57:37,448 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:37,450 INFO L225 Difference]: With dead ends: 66 [2022-04-15 14:57:37,450 INFO L226 Difference]: Without dead ends: 64 [2022-04-15 14:57:37,450 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 [2022-04-15 14:57:37,451 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 [2022-04-15 14:57:37,451 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] [2022-04-15 14:57:37,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-15 14:57:37,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-15 14:57:37,496 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:37,496 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) [2022-04-15 14:57:37,497 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) [2022-04-15 14:57:37,497 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) [2022-04-15 14:57:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:37,499 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 14:57:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 14:57:37,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:37,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:37,500 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. [2022-04-15 14:57:37,500 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. [2022-04-15 14:57:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:37,503 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 14:57:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 14:57:37,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:37,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:37,503 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:37,503 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:37,504 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) [2022-04-15 14:57:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-15 14:57:37,506 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-15 14:57:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:37,506 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-15 14:57:37,506 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) [2022-04-15 14:57:37,506 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-15 14:57:37,601 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-15 14:57:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-15 14:57:37,602 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:37,602 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] [2022-04-15 14:57:37,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-15 14:57:37,803 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 [2022-04-15 14:57:37,803 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:37,804 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-15 14:57:37,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:37,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1498185770] [2022-04-15 14:57:37,804 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:37,804 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-15 14:57:37,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:37,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130290929] [2022-04-15 14:57:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:37,838 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:37,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370861578] [2022-04-15 14:57:37,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:37,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:37,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:37,840 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) [2022-04-15 14:57:37,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-15 14:57:37,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:37,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:37,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-15 14:57:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:37,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:38,134 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 14:57:38,134 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 [2022-04-15 14:57:38,135 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,135 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 14:57:38,135 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 14:57:38,135 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 [2022-04-15 14:57:38,135 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 [2022-04-15 14:57:38,135 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,135 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,135 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,136 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 14:57:38,136 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 [2022-04-15 14:57:38,136 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 [2022-04-15 14:57:38,136 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,136 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,136 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,136 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 14:57:38,136 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 [2022-04-15 14:57:38,136 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 14:57:38,137 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 [2022-04-15 14:57:38,137 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,137 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 14:57:38,137 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 [2022-04-15 14:57:38,138 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 [2022-04-15 14:57:38,138 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,138 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,138 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,138 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 14:57:38,138 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 [2022-04-15 14:57:38,138 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,138 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,139 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,139 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 14:57:38,139 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 14:57:38,142 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 [2022-04-15 14:57:38,142 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 [2022-04-15 14:57:38,142 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 [2022-04-15 14:57:38,142 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,143 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,143 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,143 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 [2022-04-15 14:57:38,144 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 [2022-04-15 14:57:38,144 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,144 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,144 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,145 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 [2022-04-15 14:57:38,145 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 [2022-04-15 14:57:38,145 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,145 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,145 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,146 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 [2022-04-15 14:57:38,146 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 [2022-04-15 14:57:38,146 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,146 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,146 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,147 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 [2022-04-15 14:57:38,149 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 [2022-04-15 14:57:38,150 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 [2022-04-15 14:57:38,151 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 [2022-04-15 14:57:38,151 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:38,151 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 14:57:38,151 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 14:57:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-04-15 14:57:38,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:38,392 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 14:57:38,393 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 14:57:38,393 INFO L290 TraceCheckUtils]: 64: Hoare triple {3140#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3144#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:38,394 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 [2022-04-15 14:57:38,394 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 [2022-04-15 14:57:38,396 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 [2022-04-15 14:57:38,397 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 [2022-04-15 14:57:38,397 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,398 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,398 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,398 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 [2022-04-15 14:57:38,399 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 [2022-04-15 14:57:38,399 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,399 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,399 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,399 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 [2022-04-15 14:57:38,400 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 [2022-04-15 14:57:38,400 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,400 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,400 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,400 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 [2022-04-15 14:57:38,405 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 [2022-04-15 14:57:38,405 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,405 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,405 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,405 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 [2022-04-15 14:57:38,406 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 [2022-04-15 14:57:38,406 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 [2022-04-15 14:57:38,406 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 14:57:38,406 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 14:57:38,406 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,407 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,407 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,407 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 [2022-04-15 14:57:38,407 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 14:57:38,407 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,407 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,407 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,407 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 [2022-04-15 14:57:38,407 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 [2022-04-15 14:57:38,407 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,408 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 [2022-04-15 14:57:38,408 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,408 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,408 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 [2022-04-15 14:57:38,408 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,409 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 [2022-04-15 14:57:38,409 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 [2022-04-15 14:57:38,409 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 14:57:38,409 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 14:57:38,409 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 [2022-04-15 14:57:38,410 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 [2022-04-15 14:57:38,410 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 14:57:38,410 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 14:57:38,410 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 14:57:38,410 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 [2022-04-15 14:57:38,410 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 14:57:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-04-15 14:57:38,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:38,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130290929] [2022-04-15 14:57:38,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:38,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370861578] [2022-04-15 14:57:38,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370861578] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-15 14:57:38,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:57:38,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-15 14:57:38,411 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:38,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1498185770] [2022-04-15 14:57:38,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1498185770] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:38,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:38,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:57:38,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297434813] [2022-04-15 14:57:38,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:38,412 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 [2022-04-15 14:57:38,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:38,413 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) [2022-04-15 14:57:38,448 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:38,448 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:57:38,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:38,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:57:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 14:57:38,449 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) [2022-04-15 14:57:38,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:38,678 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-15 14:57:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 14:57:38,678 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 [2022-04-15 14:57:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:38,678 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) [2022-04-15 14:57:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 14:57:38,680 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) [2022-04-15 14:57:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 14:57:38,681 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-15 14:57:38,728 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:38,730 INFO L225 Difference]: With dead ends: 69 [2022-04-15 14:57:38,730 INFO L226 Difference]: Without dead ends: 67 [2022-04-15 14:57:38,731 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 [2022-04-15 14:57:38,731 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 [2022-04-15 14:57:38,731 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] [2022-04-15 14:57:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-15 14:57:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-15 14:57:38,780 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:38,780 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) [2022-04-15 14:57:38,780 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) [2022-04-15 14:57:38,781 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) [2022-04-15 14:57:38,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:38,783 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 14:57:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 14:57:38,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:38,783 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:38,784 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. [2022-04-15 14:57:38,784 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. [2022-04-15 14:57:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:38,786 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 14:57:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 14:57:38,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:38,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:38,787 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:38,787 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:38,787 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) [2022-04-15 14:57:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-15 14:57:38,789 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-15 14:57:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:38,789 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-15 14:57:38,790 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) [2022-04-15 14:57:38,790 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-15 14:57:38,890 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-15 14:57:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-15 14:57:38,891 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:38,891 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] [2022-04-15 14:57:38,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:39,091 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 [2022-04-15 14:57:39,092 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:39,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-15 14:57:39,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:39,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1350340621] [2022-04-15 14:57:39,092 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:39,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-15 14:57:39,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:39,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627085582] [2022-04-15 14:57:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:39,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:39,116 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:39,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688850838] [2022-04-15 14:57:39,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:39,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:39,120 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) [2022-04-15 14:57:39,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-15 14:57:39,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:39,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:39,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 14:57:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:39,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:39,408 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 14:57:39,408 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 [2022-04-15 14:57:39,408 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,408 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 14:57:39,408 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 14:57:39,414 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 [2022-04-15 14:57:39,415 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 [2022-04-15 14:57:39,415 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,416 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,418 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,418 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 14:57:39,419 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 [2022-04-15 14:57:39,419 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 [2022-04-15 14:57:39,419 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,419 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,419 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,419 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 14:57:39,419 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 [2022-04-15 14:57:39,421 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 [2022-04-15 14:57:39,422 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 [2022-04-15 14:57:39,422 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 [2022-04-15 14:57:39,422 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 [2022-04-15 14:57:39,423 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 [2022-04-15 14:57:39,423 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,423 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,423 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,423 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:39,424 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 [2022-04-15 14:57:39,424 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 [2022-04-15 14:57:39,424 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,424 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,424 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,425 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,425 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 [2022-04-15 14:57:39,426 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,426 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,426 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,426 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,426 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,427 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 [2022-04-15 14:57:39,427 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,427 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 [2022-04-15 14:57:39,427 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,427 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,427 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,428 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,428 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 [2022-04-15 14:57:39,428 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,428 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,428 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,429 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,429 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 [2022-04-15 14:57:39,429 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,429 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,429 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,430 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,430 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 [2022-04-15 14:57:39,430 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,430 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,430 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,431 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,431 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,432 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 [2022-04-15 14:57:39,432 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:39,432 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 14:57:39,432 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 [2022-04-15 14:57:39,432 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 14:57:39,433 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 14:57:39,433 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 14:57:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-15 14:57:39,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:39,746 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 14:57:39,746 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 14:57:39,746 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 14:57:39,746 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 [2022-04-15 14:57:39,747 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 14:57:39,747 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 14:57:39,747 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 [2022-04-15 14:57:39,748 INFO L290 TraceCheckUtils]: 61: Hoare triple {3870#(<= 1 main_~c~0)} assume !(~c~0 >= ~b~0); {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,749 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #97#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,749 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,749 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,749 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,749 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 [2022-04-15 14:57:39,750 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #95#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,750 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,750 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,750 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,750 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 [2022-04-15 14:57:39,751 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #93#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,751 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,751 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,751 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,751 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 [2022-04-15 14:57:39,752 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {3744#true} {3870#(<= 1 main_~c~0)} #91#return; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,752 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,752 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,752 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,752 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 [2022-04-15 14:57:39,753 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 14:57:39,753 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 [2022-04-15 14:57:39,753 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,754 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #89#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,754 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,754 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,754 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,754 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 [2022-04-15 14:57:39,755 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3744#true} {3833#(<= 1 main_~a~0)} #87#return; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 14:57:39,755 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,755 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,755 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,755 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 [2022-04-15 14:57:39,756 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 [2022-04-15 14:57:39,756 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {3744#true} {3814#(<= 1 main_~x~0)} #85#return; {3814#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:39,756 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,756 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,757 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,757 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 [2022-04-15 14:57:39,757 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 [2022-04-15 14:57:39,758 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 [2022-04-15 14:57:39,758 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 [2022-04-15 14:57:39,758 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 [2022-04-15 14:57:39,758 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 [2022-04-15 14:57:39,758 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,759 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 [2022-04-15 14:57:39,759 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 [2022-04-15 14:57:39,759 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 14:57:39,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 14:57:39,759 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 [2022-04-15 14:57:39,759 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 [2022-04-15 14:57:39,760 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 14:57:39,760 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 14:57:39,760 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 14:57:39,760 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 [2022-04-15 14:57:39,760 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 14:57:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-04-15 14:57:39,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:39,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627085582] [2022-04-15 14:57:39,761 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:39,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688850838] [2022-04-15 14:57:39,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688850838] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:57:39,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:57:39,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 14:57:39,761 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:39,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1350340621] [2022-04-15 14:57:39,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1350340621] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:39,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:39,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 14:57:39,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815630444] [2022-04-15 14:57:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:39,762 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 [2022-04-15 14:57:39,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:39,762 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) [2022-04-15 14:57:39,799 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:39,799 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 14:57:39,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:39,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 14:57:39,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-15 14:57:39,800 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) [2022-04-15 14:57:40,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:40,575 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-15 14:57:40,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 14:57:40,575 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 [2022-04-15 14:57:40,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:40,575 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) [2022-04-15 14:57:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 14:57:40,578 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) [2022-04-15 14:57:40,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 14:57:40,583 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-15 14:57:40,683 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:40,687 INFO L225 Difference]: With dead ends: 106 [2022-04-15 14:57:40,687 INFO L226 Difference]: Without dead ends: 98 [2022-04-15 14:57:40,687 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 [2022-04-15 14:57:40,688 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 [2022-04-15 14:57:40,688 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] [2022-04-15 14:57:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-15 14:57:40,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-15 14:57:40,814 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:40,814 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) [2022-04-15 14:57:40,814 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) [2022-04-15 14:57:40,815 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) [2022-04-15 14:57:40,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:40,820 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 14:57:40,820 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 14:57:40,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:40,821 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:40,821 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. [2022-04-15 14:57:40,821 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. [2022-04-15 14:57:40,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:40,827 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 14:57:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 14:57:40,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:40,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:40,827 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:40,827 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:40,828 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) [2022-04-15 14:57:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-15 14:57:40,832 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-15 14:57:40,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:40,833 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-15 14:57:40,833 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) [2022-04-15 14:57:40,833 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-15 14:57:41,007 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-15 14:57:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-15 14:57:41,008 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:41,009 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] [2022-04-15 14:57:41,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:41,211 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 [2022-04-15 14:57:41,213 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:41,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:41,214 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-15 14:57:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:41,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [55990568] [2022-04-15 14:57:41,214 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:41,214 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-15 14:57:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:41,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157843703] [2022-04-15 14:57:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:41,249 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:41,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023353283] [2022-04-15 14:57:41,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:57:41,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:41,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:41,254 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) [2022-04-15 14:57:41,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-15 14:57:41,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:57:41,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:41,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-15 14:57:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:41,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:41,636 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 14:57:41,636 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 [2022-04-15 14:57:41,636 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,636 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 14:57:41,636 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 14:57:41,636 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 [2022-04-15 14:57:41,636 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 [2022-04-15 14:57:41,636 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 14:57:41,637 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 [2022-04-15 14:57:41,637 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 [2022-04-15 14:57:41,637 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,637 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 14:57:41,637 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 [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 14:57:41,638 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 [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,638 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 14:57:41,639 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 [2022-04-15 14:57:41,639 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 [2022-04-15 14:57:41,639 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,639 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,639 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,640 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 [2022-04-15 14:57:41,640 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 [2022-04-15 14:57:41,640 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,640 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,640 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,641 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 [2022-04-15 14:57:41,641 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 [2022-04-15 14:57:41,642 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 [2022-04-15 14:57:41,642 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:41,642 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 [2022-04-15 14:57:41,642 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,642 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,643 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,643 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #91#return; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:41,644 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 [2022-04-15 14:57:41,644 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,644 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,644 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,645 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4885#(= main_~q~0 0)} #93#return; {4885#(= main_~q~0 0)} is VALID [2022-04-15 14:57:41,645 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 [2022-04-15 14:57:41,645 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:41,646 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 [2022-04-15 14:57:41,646 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:41,647 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 [2022-04-15 14:57:41,647 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 [2022-04-15 14:57:41,647 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,647 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,647 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,648 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 [2022-04-15 14:57:41,649 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 [2022-04-15 14:57:41,649 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 [2022-04-15 14:57:41,650 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 [2022-04-15 14:57:41,650 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 [2022-04-15 14:57:41,651 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 [2022-04-15 14:57:41,651 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 [2022-04-15 14:57:41,651 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:41,651 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:41,651 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:41,664 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 [2022-04-15 14:57:41,665 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 [2022-04-15 14:57:41,665 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:41,666 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 14:57:41,666 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 14:57:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-15 14:57:41,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:52,766 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 14:57:52,766 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 14:57:52,767 INFO L290 TraceCheckUtils]: 72: Hoare triple {4986#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4990#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:52,767 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 [2022-04-15 14:57:52,768 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 [2022-04-15 14:57:52,768 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,768 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,768 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,768 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 [2022-04-15 14:57:52,768 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 [2022-04-15 14:57:52,769 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 [2022-04-15 14:57:52,769 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 [2022-04-15 14:57:52,770 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 [2022-04-15 14:57:52,770 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 [2022-04-15 14:57:52,770 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 [2022-04-15 14:57:52,771 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,771 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,771 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,771 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 [2022-04-15 14:57:52,771 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 [2022-04-15 14:57:52,772 INFO L290 TraceCheckUtils]: 54: Hoare triple {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {4929#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:52,787 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 [2022-04-15 14:57:52,787 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 [2022-04-15 14:57:52,788 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 [2022-04-15 14:57:52,788 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,788 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 [2022-04-15 14:57:52,788 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,788 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,789 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 [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 39: Hoare triple {4762#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,789 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 [2022-04-15 14:57:52,789 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-15 14:57:52,789 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,790 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,790 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,790 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 [2022-04-15 14:57:52,790 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 [2022-04-15 14:57:52,790 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 14:57:52,790 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,790 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,790 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,790 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 [2022-04-15 14:57:52,790 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,791 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 [2022-04-15 14:57:52,791 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L272 TraceCheckUtils]: 12: Hoare triple {4762#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L290 TraceCheckUtils]: 11: Hoare triple {4762#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {4762#true} is VALID [2022-04-15 14:57:52,791 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 14:57:52,792 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,792 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 14:57:52,792 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 14:57:52,792 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 [2022-04-15 14:57:52,792 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 [2022-04-15 14:57:52,792 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 14:57:52,792 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 14:57:52,792 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 14:57:52,792 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 [2022-04-15 14:57:52,792 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 14:57:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-04-15 14:57:52,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:52,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157843703] [2022-04-15 14:57:52,793 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:52,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023353283] [2022-04-15 14:57:52,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023353283] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:57:52,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:57:52,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-15 14:57:52,794 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:52,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [55990568] [2022-04-15 14:57:52,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [55990568] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:52,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:52,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-15 14:57:52,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681141907] [2022-04-15 14:57:52,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:52,795 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 [2022-04-15 14:57:52,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:52,796 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) [2022-04-15 14:57:52,840 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:52,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-15 14:57:52,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:52,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-15 14:57:52,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-15 14:57:52,841 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) [2022-04-15 14:57:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:53,613 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-15 14:57:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 14:57:53,613 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 [2022-04-15 14:57:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:53,614 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) [2022-04-15 14:57:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 14:57:53,616 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) [2022-04-15 14:57:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 14:57:53,617 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-15 14:57:53,688 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:53,691 INFO L225 Difference]: With dead ends: 124 [2022-04-15 14:57:53,691 INFO L226 Difference]: Without dead ends: 121 [2022-04-15 14:57:53,691 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 [2022-04-15 14:57:53,692 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 14:57:53,692 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 14:57:53,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-15 14:57:53,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-15 14:57:53,874 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:53,874 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) [2022-04-15 14:57:53,875 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) [2022-04-15 14:57:53,875 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) [2022-04-15 14:57:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:53,880 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 14:57:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 14:57:53,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:53,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:53,881 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. [2022-04-15 14:57:53,881 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. [2022-04-15 14:57:53,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:53,886 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 14:57:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 14:57:53,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:53,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:53,887 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:53,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:53,887 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) [2022-04-15 14:57:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-15 14:57:53,892 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-15 14:57:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:53,892 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-15 14:57:53,892 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) [2022-04-15 14:57:53,892 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-15 14:57:54,110 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-15 14:57:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-15 14:57:54,111 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:54,111 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] [2022-04-15 14:57:54,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-04-15 14:57:54,315 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 [2022-04-15 14:57:54,315 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:54,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-15 14:57:54,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:54,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [265922238] [2022-04-15 14:57:54,316 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-15 14:57:54,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:54,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377226429] [2022-04-15 14:57:54,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:54,329 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:54,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267184982] [2022-04-15 14:57:54,329 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 14:57:54,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:54,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:54,331 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) [2022-04-15 14:57:54,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-15 14:57:54,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 14:57:54,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:54,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 33 conjunts are in the unsatisfiable core [2022-04-15 14:57:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:54,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:55,163 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 14:57:55,163 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 [2022-04-15 14:57:55,163 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,163 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 14:57:55,163 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 14:57:55,163 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 [2022-04-15 14:57:55,164 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 [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 14:57:55,164 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 [2022-04-15 14:57:55,164 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 [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,164 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-15 14:57:55,164 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 [2022-04-15 14:57:55,165 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 [2022-04-15 14:57:55,165 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 [2022-04-15 14:57:55,165 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 [2022-04-15 14:57:55,166 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 [2022-04-15 14:57:55,166 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 [2022-04-15 14:57:55,166 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,166 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,166 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,166 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {6026#(<= 1 main_~x~0)} #85#return; {6026#(<= 1 main_~x~0)} is VALID [2022-04-15 14:57:55,167 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 [2022-04-15 14:57:55,167 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 [2022-04-15 14:57:55,167 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,167 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,167 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,168 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 [2022-04-15 14:57:55,168 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 [2022-04-15 14:57:55,168 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,168 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,168 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,169 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 [2022-04-15 14:57:55,169 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 [2022-04-15 14:57:55,169 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 [2022-04-15 14:57:55,170 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 [2022-04-15 14:57:55,170 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 [2022-04-15 14:57:55,170 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,170 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,170 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,171 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 [2022-04-15 14:57:55,171 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 [2022-04-15 14:57:55,171 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,171 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,171 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,172 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 [2022-04-15 14:57:55,172 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 [2022-04-15 14:57:55,172 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,172 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,172 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,176 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 [2022-04-15 14:57:55,176 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 [2022-04-15 14:57:55,176 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,176 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,176 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,177 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 [2022-04-15 14:57:55,178 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 [2022-04-15 14:57:55,179 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 [2022-04-15 14:57:55,179 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 [2022-04-15 14:57:55,180 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 [2022-04-15 14:57:55,180 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 [2022-04-15 14:57:55,180 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 [2022-04-15 14:57:55,180 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,180 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,181 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,181 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 [2022-04-15 14:57:55,181 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 [2022-04-15 14:57:55,182 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,182 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,182 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,183 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 [2022-04-15 14:57:55,184 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 [2022-04-15 14:57:55,184 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:55,184 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 14:57:55,184 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 14:57:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-04-15 14:57:55,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:57:55,744 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 14:57:55,745 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 14:57:55,745 INFO L290 TraceCheckUtils]: 77: Hoare triple {6196#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6200#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:55,746 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 [2022-04-15 14:57:55,746 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 [2022-04-15 14:57:55,746 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,746 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,746 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,746 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 [2022-04-15 14:57:55,747 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 [2022-04-15 14:57:55,747 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:55,747 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:55,747 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:55,747 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 [2022-04-15 14:57:55,748 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 [2022-04-15 14:57:55,748 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 [2022-04-15 14:57:55,748 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 [2022-04-15 14:57:56,202 INFO 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 VALID [2022-04-15 14:57:56,202 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 [2022-04-15 14:57:56,203 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 [2022-04-15 14:57:56,203 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,203 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,203 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,203 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 [2022-04-15 14:57:56,204 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 [2022-04-15 14:57:56,204 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,204 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,204 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,204 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 [2022-04-15 14:57:56,205 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 [2022-04-15 14:57:56,205 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,205 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,205 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,205 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 [2022-04-15 14:57:56,206 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 [2022-04-15 14:57:56,206 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,206 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,206 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,207 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 [2022-04-15 14:57:56,207 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 [2022-04-15 14:57:56,207 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 [2022-04-15 14:57:56,208 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 [2022-04-15 14:57:56,208 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 [2022-04-15 14:57:56,208 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,208 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,209 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,209 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 [2022-04-15 14:57:56,209 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 [2022-04-15 14:57:56,209 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,209 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,209 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,210 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 [2022-04-15 14:57:56,215 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 [2022-04-15 14:57:56,215 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,216 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 [2022-04-15 14:57:56,216 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,216 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 [2022-04-15 14:57:56,216 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,216 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,217 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,217 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 [2022-04-15 14:57:56,217 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 [2022-04-15 14:57:56,217 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 14:57:56,217 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,217 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 14:57:56,217 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 14:57:56,217 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 [2022-04-15 14:57:56,217 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 [2022-04-15 14:57:56,217 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 14:57:56,218 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 14:57:56,218 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 14:57:56,218 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 [2022-04-15 14:57:56,218 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 14:57:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-04-15 14:57:56,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:57:56,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377226429] [2022-04-15 14:57:56,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:57:56,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267184982] [2022-04-15 14:57:56,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267184982] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:57:56,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:57:56,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2022-04-15 14:57:56,220 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:57:56,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [265922238] [2022-04-15 14:57:56,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [265922238] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:57:56,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:57:56,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-15 14:57:56,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676551917] [2022-04-15 14:57:56,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:57:56,221 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 [2022-04-15 14:57:56,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:57:56,221 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) [2022-04-15 14:57:56,269 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:56,269 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-15 14:57:56,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:56,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-15 14:57:56,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-04-15 14:57:56,270 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) [2022-04-15 14:57:57,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,338 INFO L93 Difference]: Finished difference Result 130 states and 176 transitions. [2022-04-15 14:57:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-15 14:57:57,338 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 [2022-04-15 14:57:57,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:57:57,339 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) [2022-04-15 14:57:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-15 14:57:57,340 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) [2022-04-15 14:57:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-15 14:57:57,342 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 91 transitions. [2022-04-15 14:57:57,427 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:57,429 INFO L225 Difference]: With dead ends: 130 [2022-04-15 14:57:57,429 INFO L226 Difference]: Without dead ends: 128 [2022-04-15 14:57:57,430 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 [2022-04-15 14:57:57,430 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 [2022-04-15 14:57:57,430 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] [2022-04-15 14:57:57,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-04-15 14:57:57,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2022-04-15 14:57:57,624 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:57:57,625 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) [2022-04-15 14:57:57,625 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) [2022-04-15 14:57:57,626 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) [2022-04-15 14:57:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,630 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-15 14:57:57,630 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-15 14:57:57,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:57,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:57,631 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. [2022-04-15 14:57:57,631 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. [2022-04-15 14:57:57,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:57:57,635 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-15 14:57:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-15 14:57:57,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:57:57,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:57:57,636 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:57:57,636 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:57:57,637 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) [2022-04-15 14:57:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2022-04-15 14:57:57,640 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 80 [2022-04-15 14:57:57,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:57:57,641 INFO L478 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2022-04-15 14:57:57,641 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) [2022-04-15 14:57:57,641 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 126 states and 172 transitions. [2022-04-15 14:57:57,884 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:57:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-04-15 14:57:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-15 14:57:57,884 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:57:57,884 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] [2022-04-15 14:57:57,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-15 14:57:58,085 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 [2022-04-15 14:57:58,085 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:57:58,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:57:58,086 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-15 14:57:58,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:57:58,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1146066171] [2022-04-15 14:57:58,086 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:57:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-15 14:57:58,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:57:58,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436114141] [2022-04-15 14:57:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:57:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:57:58,100 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:57:58,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103539524] [2022-04-15 14:57:58,100 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 14:57:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:57:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:57:58,101 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) [2022-04-15 14:57:58,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-15 14:57:58,172 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 14:57:58,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:57:58,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-15 14:57:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:57:58,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:57:59,047 INFO L272 TraceCheckUtils]: 0: Hoare triple {7227#true} call ULTIMATE.init(); {7227#true} is VALID [2022-04-15 14:57:59,047 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 [2022-04-15 14:57:59,047 INFO L290 TraceCheckUtils]: 2: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,047 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7227#true} {7227#true} #103#return; {7227#true} is VALID [2022-04-15 14:57:59,047 INFO L272 TraceCheckUtils]: 4: Hoare triple {7227#true} call #t~ret6 := main(); {7227#true} is VALID [2022-04-15 14:57:59,047 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 [2022-04-15 14:57:59,047 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 [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 7: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 8: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 9: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7227#true} {7227#true} #79#return; {7227#true} is VALID [2022-04-15 14:57:59,048 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 [2022-04-15 14:57:59,048 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 [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 13: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 14: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 15: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,048 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7227#true} {7227#true} #81#return; {7227#true} is VALID [2022-04-15 14:57:59,048 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 [2022-04-15 14:57:59,048 INFO L290 TraceCheckUtils]: 18: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L290 TraceCheckUtils]: 19: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L290 TraceCheckUtils]: 20: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7227#true} {7227#true} #83#return; {7227#true} is VALID [2022-04-15 14:57:59,049 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 [2022-04-15 14:57:59,049 INFO L290 TraceCheckUtils]: 23: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L290 TraceCheckUtils]: 24: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L290 TraceCheckUtils]: 25: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,049 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7227#true} {7227#true} #85#return; {7227#true} is VALID [2022-04-15 14:57:59,050 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 [2022-04-15 14:57:59,050 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 [2022-04-15 14:57:59,050 INFO L290 TraceCheckUtils]: 29: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,050 INFO L290 TraceCheckUtils]: 30: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,050 INFO L290 TraceCheckUtils]: 31: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,052 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 [2022-04-15 14:57:59,053 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 [2022-04-15 14:57:59,053 INFO L290 TraceCheckUtils]: 34: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,053 INFO L290 TraceCheckUtils]: 35: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,053 INFO L290 TraceCheckUtils]: 36: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,053 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 [2022-04-15 14:57:59,054 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 [2022-04-15 14:57:59,054 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 [2022-04-15 14:57:59,055 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 [2022-04-15 14:57:59,055 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 [2022-04-15 14:57:59,055 INFO L290 TraceCheckUtils]: 42: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,055 INFO L290 TraceCheckUtils]: 43: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,055 INFO L290 TraceCheckUtils]: 44: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,056 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 [2022-04-15 14:57:59,056 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 [2022-04-15 14:57:59,056 INFO L290 TraceCheckUtils]: 47: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,057 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 [2022-04-15 14:57:59,057 INFO L290 TraceCheckUtils]: 49: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,058 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 [2022-04-15 14:57:59,058 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 [2022-04-15 14:57:59,058 INFO L290 TraceCheckUtils]: 52: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,058 INFO L290 TraceCheckUtils]: 53: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,058 INFO L290 TraceCheckUtils]: 54: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,059 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 [2022-04-15 14:57:59,059 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 [2022-04-15 14:57:59,059 INFO L290 TraceCheckUtils]: 57: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,059 INFO L290 TraceCheckUtils]: 58: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,060 INFO L290 TraceCheckUtils]: 59: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,061 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 [2022-04-15 14:57:59,061 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 [2022-04-15 14:57:59,063 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 [2022-04-15 14:57:59,064 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 [2022-04-15 14:57:59,064 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 [2022-04-15 14:57:59,065 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 [2022-04-15 14:57:59,065 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 [2022-04-15 14:57:59,065 INFO L290 TraceCheckUtils]: 67: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,065 INFO L290 TraceCheckUtils]: 68: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,065 INFO L290 TraceCheckUtils]: 69: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,067 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 [2022-04-15 14:57:59,067 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 [2022-04-15 14:57:59,067 INFO L290 TraceCheckUtils]: 72: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 14:57:59,067 INFO L290 TraceCheckUtils]: 73: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 14:57:59,068 INFO L290 TraceCheckUtils]: 74: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 14:57:59,068 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 [2022-04-15 14:57:59,068 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 [2022-04-15 14:57:59,069 INFO L290 TraceCheckUtils]: 77: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,069 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 [2022-04-15 14:57:59,069 INFO L290 TraceCheckUtils]: 79: Hoare triple {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {7379#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:57:59,070 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 [2022-04-15 14:57:59,073 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 [2022-04-15 14:57:59,073 INFO L290 TraceCheckUtils]: 82: Hoare triple {7482#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7486#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:57:59,073 INFO L290 TraceCheckUtils]: 83: Hoare triple {7486#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7228#false} is VALID [2022-04-15 14:57:59,074 INFO L290 TraceCheckUtils]: 84: Hoare triple {7228#false} assume !false; {7228#false} is VALID [2022-04-15 14:57:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-04-15 14:57:59,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:58:48,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:58:48,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436114141] [2022-04-15 14:58:48,067 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:58:48,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103539524] [2022-04-15 14:58:48,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103539524] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 14:58:48,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 14:58:48,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-04-15 14:58:48,067 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:58:48,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1146066171] [2022-04-15 14:58:48,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1146066171] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:58:48,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:58:48,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-15 14:58:48,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670609575] [2022-04-15 14:58:48,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:58:48,068 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 [2022-04-15 14:58:48,068 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:58:48,069 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) [2022-04-15 14:58:48,120 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:48,120 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-15 14:58:48,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:48,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-15 14:58:48,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-15 14:58:48,121 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) [2022-04-15 14:58:49,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:49,370 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-15 14:58:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-15 14:58:49,370 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 [2022-04-15 14:58:49,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:58:49,370 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) [2022-04-15 14:58:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-15 14:58:49,372 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) [2022-04-15 14:58:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-15 14:58:49,374 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 91 transitions. [2022-04-15 14:58:49,482 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:49,484 INFO L225 Difference]: With dead ends: 134 [2022-04-15 14:58:49,484 INFO L226 Difference]: Without dead ends: 132 [2022-04-15 14:58:49,485 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 [2022-04-15 14:58:49,485 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 [2022-04-15 14:58:49,486 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] [2022-04-15 14:58:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-15 14:58:49,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-15 14:58:49,738 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:58:49,739 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) [2022-04-15 14:58:49,741 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) [2022-04-15 14:58:49,741 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) [2022-04-15 14:58:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:49,745 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 14:58:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 14:58:49,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:49,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:49,746 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. [2022-04-15 14:58:49,747 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. [2022-04-15 14:58:49,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:49,750 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 14:58:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 14:58:49,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:49,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:49,751 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:58:49,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:58:49,752 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) [2022-04-15 14:58:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-15 14:58:49,755 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 85 [2022-04-15 14:58:49,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:58:49,756 INFO L478 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-15 14:58:49,756 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) [2022-04-15 14:58:49,756 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-15 14:58:50,020 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-15 14:58:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-15 14:58:50,021 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:58:50,021 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] [2022-04-15 14:58:50,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-15 14:58:50,227 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 [2022-04-15 14:58:50,227 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:58:50,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:58:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-15 14:58:50,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:50,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [769506900] [2022-04-15 14:58:50,228 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:58:50,229 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-15 14:58:50,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:58:50,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51844615] [2022-04-15 14:58:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:58:50,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:58:50,260 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:58:50,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249088122] [2022-04-15 14:58:50,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:58:50,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:58:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:58:50,261 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) [2022-04-15 14:58:50,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-15 14:58:50,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:58:50,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:58:50,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-15 14:58:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:58:50,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:58:50,968 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-15 14:58:50,968 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 [2022-04-15 14:58:50,968 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,968 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-15 14:58:50,968 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-15 14:58:50,968 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 [2022-04-15 14:58:50,968 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 [2022-04-15 14:58:50,968 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,968 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,969 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,969 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-15 14:58:50,969 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 [2022-04-15 14:58:50,969 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 [2022-04-15 14:58:50,969 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,969 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,969 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,969 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-15 14:58:50,969 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 [2022-04-15 14:58:50,969 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-15 14:58:50,970 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 [2022-04-15 14:58:50,970 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,970 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-15 14:58:50,975 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 [2022-04-15 14:58:50,975 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 [2022-04-15 14:58:50,975 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,975 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,975 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,976 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 [2022-04-15 14:58:50,976 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 [2022-04-15 14:58:50,976 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,976 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,976 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,977 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 [2022-04-15 14:58:50,977 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 [2022-04-15 14:58:50,977 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 [2022-04-15 14:58:50,978 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 [2022-04-15 14:58:50,978 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 [2022-04-15 14:58:50,978 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,978 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,978 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,979 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 [2022-04-15 14:58:50,979 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 [2022-04-15 14:58:50,979 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,979 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,979 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,984 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 [2022-04-15 14:58:50,984 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 [2022-04-15 14:58:50,984 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,984 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,984 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,985 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 [2022-04-15 14:58:50,985 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 [2022-04-15 14:58:50,985 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,985 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,985 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,986 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 [2022-04-15 14:58:50,987 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 [2022-04-15 14:58:50,987 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 [2022-04-15 14:58:50,987 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 [2022-04-15 14:58:50,988 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,988 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,988 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,989 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 [2022-04-15 14:58:50,989 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 [2022-04-15 14:58:50,989 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,989 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,989 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,990 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 [2022-04-15 14:58:50,990 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 [2022-04-15 14:58:50,990 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,990 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,990 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,991 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 [2022-04-15 14:58:50,991 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 [2022-04-15 14:58:50,991 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:50,991 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:50,991 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:50,992 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 [2022-04-15 14:58:50,993 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 [2022-04-15 14:58:50,993 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 [2022-04-15 14:58:50,994 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 [2022-04-15 14:58:50,994 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 [2022-04-15 14:58:50,995 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 [2022-04-15 14:58:50,995 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:58:50,996 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-15 14:58:50,996 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-15 14:58:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-15 14:58:50,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 14:58:51,497 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-15 14:58:51,498 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-15 14:58:51,498 INFO L290 TraceCheckUtils]: 88: Hoare triple {8578#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8582#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:58:51,499 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 [2022-04-15 14:58:51,499 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 [2022-04-15 14:58:51,499 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 [2022-04-15 14:58:53,500 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 [2022-04-15 14:58:53,501 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 [2022-04-15 14:58:53,502 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 [2022-04-15 14:58:53,502 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:53,502 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:53,502 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:53,502 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 [2022-04-15 14:58:53,503 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 [2022-04-15 14:58:53,503 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:53,503 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:53,503 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:53,503 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 [2022-04-15 14:58:53,504 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 [2022-04-15 14:58:53,504 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:53,504 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:53,504 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:53,504 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 [2022-04-15 14:58:53,505 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 [2022-04-15 14:58:53,505 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:53,505 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:53,505 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:53,505 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 [2022-04-15 14:58:53,505 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 [2022-04-15 14:58:55,507 WARN 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 UNKNOWN [2022-04-15 14:58:55,508 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 [2022-04-15 14:58:55,508 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,508 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,509 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,509 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 [2022-04-15 14:58:55,512 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 [2022-04-15 14:58:55,512 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,512 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,512 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,512 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 [2022-04-15 14:58:55,513 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 [2022-04-15 14:58:55,513 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,513 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,513 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,513 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 [2022-04-15 14:58:55,514 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 [2022-04-15 14:58:55,514 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,514 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,514 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,514 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 [2022-04-15 14:58:55,515 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 [2022-04-15 14:58:55,515 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 [2022-04-15 14:58:55,516 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 [2022-04-15 14:58:55,516 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 [2022-04-15 14:58:55,516 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,516 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,517 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,517 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 [2022-04-15 14:58:55,517 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 [2022-04-15 14:58:55,517 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,517 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,517 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,517 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 [2022-04-15 14:58:55,518 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 [2022-04-15 14:58:55,518 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,518 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 [2022-04-15 14:58:55,518 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,518 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,519 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,519 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,519 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-15 14:58:55,519 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 14:58:55,519 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 [2022-04-15 14:58:55,520 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-15 14:58:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-04-15 14:58:55,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:58:55,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51844615] [2022-04-15 14:58:55,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:58:55,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249088122] [2022-04-15 14:58:55,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249088122] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 14:58:55,520 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 14:58:55,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-15 14:58:55,520 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:58:55,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [769506900] [2022-04-15 14:58:55,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [769506900] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:58:55,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:58:55,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-15 14:58:55,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914526881] [2022-04-15 14:58:55,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:58:55,521 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 [2022-04-15 14:58:55,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:58:55,521 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) [2022-04-15 14:58:55,571 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:55,571 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-15 14:58:55,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:55,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-15 14:58:55,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-15 14:58:55,572 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) [2022-04-15 14:58:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:56,938 INFO L93 Difference]: Finished difference Result 157 states and 211 transitions. [2022-04-15 14:58:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 14:58:56,938 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 [2022-04-15 14:58:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:58:56,938 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) [2022-04-15 14:58:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 14:58:56,940 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) [2022-04-15 14:58:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 14:58:56,942 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-15 14:58:57,060 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:57,063 INFO L225 Difference]: With dead ends: 157 [2022-04-15 14:58:57,063 INFO L226 Difference]: Without dead ends: 154 [2022-04-15 14:58:57,063 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 [2022-04-15 14:58:57,064 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 [2022-04-15 14:58:57,064 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] [2022-04-15 14:58:57,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-04-15 14:58:57,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2022-04-15 14:58:57,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:58:57,289 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) [2022-04-15 14:58:57,290 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) [2022-04-15 14:58:57,290 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) [2022-04-15 14:58:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:57,294 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-15 14:58:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-15 14:58:57,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:57,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:57,295 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. [2022-04-15 14:58:57,295 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. [2022-04-15 14:58:57,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:57,300 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-15 14:58:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-15 14:58:57,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:57,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:57,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:58:57,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:58:57,301 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) [2022-04-15 14:58:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 206 transitions. [2022-04-15 14:58:57,305 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 206 transitions. Word has length 91 [2022-04-15 14:58:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:58:57,306 INFO L478 AbstractCegarLoop]: Abstraction has 153 states and 206 transitions. [2022-04-15 14:58:57,306 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) [2022-04-15 14:58:57,306 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 153 states and 206 transitions. [2022-04-15 14:58:57,614 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2022-04-15 14:58:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-15 14:58:57,615 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:58:57,615 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] [2022-04-15 14:58:57,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-15 14:58:57,823 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 [2022-04-15 14:58:57,823 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:58:57,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:58:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-15 14:58:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:57,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1508712617] [2022-04-15 14:58:57,824 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:58:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-15 14:58:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:58:57,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269017588] [2022-04-15 14:58:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:58:57,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:58:57,836 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:58:57,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20116142] [2022-04-15 14:58:57,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:58:57,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:58:57,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:58:57,837 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) [2022-04-15 14:58:57,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-15 14:58:57,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:58:57,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:58:57,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 14:58:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:58:57,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:58:58,145 INFO L272 TraceCheckUtils]: 0: Hoare triple {9802#true} call ULTIMATE.init(); {9802#true} is VALID [2022-04-15 14:58:58,146 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 [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 2: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9802#true} {9802#true} #103#return; {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L272 TraceCheckUtils]: 4: Hoare triple {9802#true} call #t~ret6 := main(); {9802#true} is VALID [2022-04-15 14:58:58,146 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 [2022-04-15 14:58:58,146 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 [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 7: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 8: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 9: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9802#true} {9802#true} #79#return; {9802#true} is VALID [2022-04-15 14:58:58,146 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 [2022-04-15 14:58:58,146 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 [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 13: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 14: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,146 INFO L290 TraceCheckUtils]: 15: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9802#true} {9802#true} #81#return; {9802#true} is VALID [2022-04-15 14:58:58,147 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 [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 18: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 19: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 20: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9802#true} {9802#true} #83#return; {9802#true} is VALID [2022-04-15 14:58:58,147 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 [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 23: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 24: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 25: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9802#true} {9802#true} #85#return; {9802#true} is VALID [2022-04-15 14:58:58,147 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 [2022-04-15 14:58:58,147 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 [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 29: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 30: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L290 TraceCheckUtils]: 31: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,147 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9802#true} {9802#true} #87#return; {9802#true} is VALID [2022-04-15 14:58:58,148 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 [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 34: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 35: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 36: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9802#true} {9802#true} #89#return; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 38: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 39: Hoare triple {9802#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 40: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-15 14:58:58,148 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 [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 42: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 43: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 44: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9802#true} {9802#true} #91#return; {9802#true} is VALID [2022-04-15 14:58:58,148 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 [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 47: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 48: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L290 TraceCheckUtils]: 49: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,148 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9802#true} {9802#true} #93#return; {9802#true} is VALID [2022-04-15 14:58:58,149 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 [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 52: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 53: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 54: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9802#true} {9802#true} #95#return; {9802#true} is VALID [2022-04-15 14:58:58,149 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 [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 57: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 58: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 59: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9802#true} {9802#true} #97#return; {9802#true} is VALID [2022-04-15 14:58:58,149 INFO L290 TraceCheckUtils]: 61: Hoare triple {9802#true} assume !(~c~0 >= ~b~0); {9990#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 14:58:58,150 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 [2022-04-15 14:58:58,150 INFO L290 TraceCheckUtils]: 63: Hoare triple {9994#(< main_~b~0 main_~a~0)} assume !false; {9994#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 14:58:58,150 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 [2022-04-15 14:58:58,151 INFO L290 TraceCheckUtils]: 65: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !false; {10001#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 14:58:58,151 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 [2022-04-15 14:58:58,151 INFO L290 TraceCheckUtils]: 67: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,151 INFO L290 TraceCheckUtils]: 68: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,151 INFO L290 TraceCheckUtils]: 69: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,151 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 [2022-04-15 14:58:58,151 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 [2022-04-15 14:58:58,151 INFO L290 TraceCheckUtils]: 72: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,152 INFO L290 TraceCheckUtils]: 73: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,152 INFO L290 TraceCheckUtils]: 74: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,152 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 [2022-04-15 14:58:58,152 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 [2022-04-15 14:58:58,152 INFO L290 TraceCheckUtils]: 77: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,152 INFO L290 TraceCheckUtils]: 78: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,152 INFO L290 TraceCheckUtils]: 79: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,153 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 [2022-04-15 14:58:58,153 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 [2022-04-15 14:58:58,153 INFO L290 TraceCheckUtils]: 82: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 14:58:58,153 INFO L290 TraceCheckUtils]: 83: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 14:58:58,153 INFO L290 TraceCheckUtils]: 84: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 14:58:58,154 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 [2022-04-15 14:58:58,154 INFO L290 TraceCheckUtils]: 86: Hoare triple {10001#(< main_~b~0 main_~c~0)} assume !(~c~0 >= ~b~0); {9803#false} is VALID [2022-04-15 14:58:58,154 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 [2022-04-15 14:58:58,154 INFO L290 TraceCheckUtils]: 88: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 14:58:58,154 INFO L290 TraceCheckUtils]: 89: Hoare triple {9803#false} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {9803#false} is VALID [2022-04-15 14:58:58,154 INFO L290 TraceCheckUtils]: 90: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 14:58:58,154 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 [2022-04-15 14:58:58,154 INFO L290 TraceCheckUtils]: 92: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L290 TraceCheckUtils]: 93: Hoare triple {9803#false} assume !(0 == ~cond); {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L290 TraceCheckUtils]: 94: Hoare triple {9803#false} assume true; {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9803#false} {9803#false} #91#return; {9803#false} is VALID [2022-04-15 14:58:58,155 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 [2022-04-15 14:58:58,155 INFO L290 TraceCheckUtils]: 97: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L290 TraceCheckUtils]: 98: Hoare triple {9803#false} assume 0 == ~cond; {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L290 TraceCheckUtils]: 99: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 14:58:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-04-15 14:58:58,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 14:58:58,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 14:58:58,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269017588] [2022-04-15 14:58:58,155 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 14:58:58,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20116142] [2022-04-15 14:58:58,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20116142] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:58:58,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:58:58,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:58:58,156 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 14:58:58,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1508712617] [2022-04-15 14:58:58,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1508712617] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 14:58:58,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 14:58:58,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 14:58:58,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212205778] [2022-04-15 14:58:58,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 14:58:58,157 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 [2022-04-15 14:58:58,157 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 14:58:58,157 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) [2022-04-15 14:58:58,201 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:58,201 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 14:58:58,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:58,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 14:58:58,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 14:58:58,202 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) [2022-04-15 14:58:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:58,674 INFO L93 Difference]: Finished difference Result 201 states and 280 transitions. [2022-04-15 14:58:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 14:58:58,674 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 [2022-04-15 14:58:58,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 14:58:58,675 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) [2022-04-15 14:58:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 14:58:58,676 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) [2022-04-15 14:58:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 14:58:58,677 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-15 14:58:58,748 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:58,751 INFO L225 Difference]: With dead ends: 201 [2022-04-15 14:58:58,752 INFO L226 Difference]: Without dead ends: 156 [2022-04-15 14:58:58,752 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 [2022-04-15 14:58:58,753 INFO L913 BasicCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 14:58:58,753 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 14:58:58,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-04-15 14:58:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 147. [2022-04-15 14:58:58,988 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 14:58:58,988 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) [2022-04-15 14:58:58,988 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) [2022-04-15 14:58:58,989 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) [2022-04-15 14:58:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:58,993 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-15 14:58:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-15 14:58:58,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:58,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:58,994 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. [2022-04-15 14:58:58,995 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. [2022-04-15 14:58:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 14:58:58,999 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-15 14:58:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-15 14:58:59,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 14:58:59,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 14:58:59,000 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 14:58:59,000 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 14:58:59,001 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) [2022-04-15 14:58:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2022-04-15 14:58:59,005 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 195 transitions. Word has length 100 [2022-04-15 14:58:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 14:58:59,005 INFO L478 AbstractCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-04-15 14:58:59,006 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) [2022-04-15 14:58:59,006 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 147 states and 195 transitions. [2022-04-15 14:58:59,370 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 14:58:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 195 transitions. [2022-04-15 14:58:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-15 14:58:59,371 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 14:58:59,371 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] [2022-04-15 14:58:59,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-15 14:58:59,591 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 [2022-04-15 14:58:59,591 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 14:58:59,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 14:58:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-15 14:58:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 14:58:59,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2006977715] [2022-04-15 14:58:59,592 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 14:58:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-15 14:58:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 14:58:59,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139436304] [2022-04-15 14:58:59,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 14:58:59,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 14:58:59,608 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 14:58:59,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805539392] [2022-04-15 14:58:59,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 14:58:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 14:58:59,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 14:58:59,616 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) [2022-04-15 14:58:59,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-15 14:58:59,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 14:58:59,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 14:58:59,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-15 14:58:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 14:58:59,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 14:59:01,418 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-15 14:59:01,418 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 [2022-04-15 14:59:01,418 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,418 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-15 14:59:01,418 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-15 14:59:01,418 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 [2022-04-15 14:59:01,419 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 [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-15 14:59:01,419 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 [2022-04-15 14:59:01,419 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 [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,419 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-15 14:59:01,419 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 [2022-04-15 14:59:01,420 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 [2022-04-15 14:59:01,420 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 [2022-04-15 14:59:01,420 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 [2022-04-15 14:59:01,421 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 [2022-04-15 14:59:01,421 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 [2022-04-15 14:59:01,421 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,421 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,421 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,422 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11188#(<= 1 main_~x~0)} #85#return; {11188#(<= 1 main_~x~0)} is VALID [2022-04-15 14:59:01,422 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 [2022-04-15 14:59:01,423 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 [2022-04-15 14:59:01,423 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,423 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,423 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,424 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 [2022-04-15 14:59:01,424 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 [2022-04-15 14:59:01,424 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,424 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,424 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,425 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 [2022-04-15 14:59:01,425 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 [2022-04-15 14:59:01,426 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 [2022-04-15 14:59:01,426 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 [2022-04-15 14:59:01,427 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 [2022-04-15 14:59:01,427 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,427 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,427 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,428 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 [2022-04-15 14:59:01,428 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 [2022-04-15 14:59:01,428 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,428 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,428 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,429 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 [2022-04-15 14:59:01,430 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 [2022-04-15 14:59:01,430 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,430 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,430 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,431 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 [2022-04-15 14:59:01,431 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 [2022-04-15 14:59:01,431 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,431 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,431 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,432 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 [2022-04-15 14:59:01,434 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 [2022-04-15 14:59:01,434 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 [2022-04-15 14:59:01,434 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 [2022-04-15 14:59:01,435 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:01,435 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 [2022-04-15 14:59:01,435 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:01,437 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 [2022-04-15 14:59:01,437 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 [2022-04-15 14:59:01,437 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,437 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,437 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,438 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 [2022-04-15 14:59:01,439 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 [2022-04-15 14:59:01,439 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:01,439 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 [2022-04-15 14:59:01,440 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:01,440 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 [2022-04-15 14:59:01,441 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 [2022-04-15 14:59:01,441 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:01,441 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 [2022-04-15 14:59:01,442 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:01,443 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 [2022-04-15 14:59:01,443 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 [2022-04-15 14:59:01,445 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 [2022-04-15 14:59:01,445 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 [2022-04-15 14:59:01,446 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 [2022-04-15 14:59:01,446 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 [2022-04-15 14:59:01,446 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 [2022-04-15 14:59:01,446 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,447 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,447 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,447 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 [2022-04-15 14:59:01,448 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 [2022-04-15 14:59:01,448 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 14:59:01,448 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 14:59:01,448 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 14:59:01,449 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 [2022-04-15 14:59:01,449 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 [2022-04-15 14:59:01,449 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:01,449 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 [2022-04-15 14:59:01,450 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 14:59:01,451 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 [2022-04-15 14:59:01,467 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 [2022-04-15 14:59:01,472 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 14:59:01,473 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-15 14:59:01,473 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-15 14:59:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 87 proven. 52 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-04-15 14:59:01,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:01:21,307 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-15 15:01:21,308 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-15 15:01:21,308 INFO L290 TraceCheckUtils]: 104: Hoare triple {11443#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11447#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:21,309 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 [2022-04-15 15:01:21,310 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 [2022-04-15 15:01:21,310 INFO L290 TraceCheckUtils]: 101: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:21,310 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 [2022-04-15 15:01:21,311 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 [2022-04-15 15:01:21,311 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 [2022-04-15 15:01:21,312 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 [2022-04-15 15:01:21,312 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:21,312 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:21,312 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:21,312 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 [2022-04-15 15:01:21,312 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 [2022-04-15 15:01:21,313 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:21,313 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:21,313 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:21,313 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 [2022-04-15 15:01:21,313 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 [2022-04-15 15:01:21,314 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 [2022-04-15 15:01:21,314 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 [2022-04-15 15:01:23,315 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 [2022-04-15 15:01:23,316 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 [2022-04-15 15:01:23,317 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 [2022-04-15 15:01:23,318 INFO L290 TraceCheckUtils]: 81: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:23,318 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 [2022-04-15 15:01:23,318 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 [2022-04-15 15:01:23,318 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 [2022-04-15 15:01:23,320 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 [2022-04-15 15:01:23,320 INFO L290 TraceCheckUtils]: 76: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:23,320 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 [2022-04-15 15:01:23,320 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 [2022-04-15 15:01:23,321 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 [2022-04-15 15:01:23,321 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 [2022-04-15 15:01:23,321 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,322 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,322 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,322 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 [2022-04-15 15:01:23,323 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 [2022-04-15 15:01:23,323 INFO L290 TraceCheckUtils]: 66: Hoare triple {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {11325#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:23,323 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 [2022-04-15 15:01:23,324 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 [2022-04-15 15:01:23,324 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 [2022-04-15 15:01:23,324 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 [2022-04-15 15:01:23,336 INFO L290 TraceCheckUtils]: 61: Hoare triple {11597#(or (not (= main_~a~0 (+ main_~c~0 (* (- 1) main_~b~0) (* (+ main_~k~0 1) main_~b~0)))) (<= (* main_~b~0 2) main_~c~0) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~c~0 (* (- 1) main_~b~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (not (<= main_~b~0 main_~c~0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {11578#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= (+ (* main_~b~0 main_~y~0) (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) (+ (* main_~s~0 main_~yy~0) main_~b~0 (* main_~q~0 main_~xy~0)))) (not (= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-15 15:01:23,337 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 [2022-04-15 15:01:23,337 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,337 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,337 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,338 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 [2022-04-15 15:01:23,338 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 [2022-04-15 15:01:23,338 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,338 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,339 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,339 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 [2022-04-15 15:01:23,339 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 [2022-04-15 15:01:23,339 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,340 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,340 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,340 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 [2022-04-15 15:01:23,340 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 [2022-04-15 15:01:23,341 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,341 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,341 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,341 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 [2022-04-15 15:01:23,342 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 [2022-04-15 15:01:23,342 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 [2022-04-15 15:01:23,343 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 [2022-04-15 15:01:23,344 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 [2022-04-15 15:01:23,344 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,344 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,344 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,344 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 [2022-04-15 15:01:23,345 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 [2022-04-15 15:01:23,345 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,345 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,345 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,345 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 [2022-04-15 15:01:23,346 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 [2022-04-15 15:01:23,346 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11118#true} #85#return; {11118#true} is VALID [2022-04-15 15:01:23,346 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,346 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,346 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,346 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 [2022-04-15 15:01:23,347 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11118#true} {11118#true} #83#return; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 20: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 19: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,347 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 [2022-04-15 15:01:23,347 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,347 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 [2022-04-15 15:01:23,347 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 [2022-04-15 15:01:23,347 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 15:01:23,347 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 15:01:23,347 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 [2022-04-15 15:01:23,347 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 [2022-04-15 15:01:23,348 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-15 15:01:23,348 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-15 15:01:23,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 15:01:23,348 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 [2022-04-15 15:01:23,348 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-15 15:01:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 81 proven. 43 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-04-15 15:01:23,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:01:23,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139436304] [2022-04-15 15:01:23,349 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:01:23,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805539392] [2022-04-15 15:01:23,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805539392] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:01:23,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:01:23,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-15 15:01:23,349 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:01:23,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2006977715] [2022-04-15 15:01:23,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2006977715] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:01:23,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:01:23,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-15 15:01:23,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059621152] [2022-04-15 15:01:23,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:01:23,350 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 [2022-04-15 15:01:23,350 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:01:23,350 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) [2022-04-15 15:01:23,423 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:23,423 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-15 15:01:23,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:01:23,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-15 15:01:23,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=473, Unknown=2, NotChecked=0, Total=600 [2022-04-15 15:01:23,424 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) [2022-04-15 15:01:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:29,322 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2022-04-15 15:01:29,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-15 15:01:29,322 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 [2022-04-15 15:01:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:01:29,323 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) [2022-04-15 15:01:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 15:01:29,324 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) [2022-04-15 15:01:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 15:01:29,326 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-15 15:01:29,475 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:29,477 INFO L225 Difference]: With dead ends: 154 [2022-04-15 15:01:29,477 INFO L226 Difference]: Without dead ends: 152 [2022-04-15 15:01:29,478 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=158, Invalid=652, Unknown=2, NotChecked=0, Total=812 [2022-04-15 15:01:29,478 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 38 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-04-15 15:01:29,478 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 197 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-15 15:01:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-04-15 15:01:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 128. [2022-04-15 15:01:29,702 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:01:29,703 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) [2022-04-15 15:01:29,703 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) [2022-04-15 15:01:29,703 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) [2022-04-15 15:01:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:29,707 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-15 15:01:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-15 15:01:29,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:01:29,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:01:29,708 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. [2022-04-15 15:01:29,708 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. [2022-04-15 15:01:29,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:01:29,712 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-15 15:01:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-15 15:01:29,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:01:29,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:01:29,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:01:29,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:01:29,713 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) [2022-04-15 15:01:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions. [2022-04-15 15:01:29,716 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 107 [2022-04-15 15:01:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:01:29,717 INFO L478 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions. [2022-04-15 15:01:29,717 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) [2022-04-15 15:01:29,717 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 128 states and 168 transitions. [2022-04-15 15:01:30,129 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:01:30,129 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2022-04-15 15:01:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-15 15:01:30,130 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:01:30,130 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] [2022-04-15 15:01:30,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-15 15:01:30,330 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 [2022-04-15 15:01:30,331 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:01:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:01:30,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-15 15:01:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:01:30,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [437274035] [2022-04-15 15:01:30,332 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:01:30,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-15 15:01:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:01:30,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656339790] [2022-04-15 15:01:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:01:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:01:30,350 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:01:30,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670202001] [2022-04-15 15:01:30,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:01:30,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:01:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:01:30,351 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) [2022-04-15 15:01:30,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-15 15:01:30,420 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:01:30,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:01:30,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-15 15:01:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:01:30,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:01:31,667 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-15 15:01:31,667 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 [2022-04-15 15:01:31,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,667 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-15 15:01:31,667 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-15 15:01:31,668 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 [2022-04-15 15:01:31,668 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 [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-15 15:01:31,668 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 [2022-04-15 15:01:31,668 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 [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-15 15:01:31,668 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 [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,668 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,669 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-15 15:01:31,669 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 [2022-04-15 15:01:31,669 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,669 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,669 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,669 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-15 15:01:31,670 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 [2022-04-15 15:01:31,670 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 [2022-04-15 15:01:31,670 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,670 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,670 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,671 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 [2022-04-15 15:01:31,671 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 [2022-04-15 15:01:31,671 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,671 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,671 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,671 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 [2022-04-15 15:01:31,672 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 [2022-04-15 15:01:31,672 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 [2022-04-15 15:01:31,673 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 [2022-04-15 15:01:31,673 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 [2022-04-15 15:01:31,673 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,673 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,673 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,674 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 [2022-04-15 15:01:31,674 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 [2022-04-15 15:01:31,674 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,674 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,674 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,674 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 [2022-04-15 15:01:31,675 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 [2022-04-15 15:01:31,675 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,675 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,675 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,675 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 [2022-04-15 15:01:31,676 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 [2022-04-15 15:01:31,676 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,676 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,676 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,677 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 [2022-04-15 15:01:31,678 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 [2022-04-15 15:01:31,678 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 [2022-04-15 15:01:31,678 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 [2022-04-15 15:01:31,678 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,678 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,678 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,679 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 [2022-04-15 15:01:31,679 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 [2022-04-15 15:01:31,679 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,679 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,679 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,680 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 [2022-04-15 15:01:31,680 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 [2022-04-15 15:01:31,680 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,680 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,680 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,681 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 [2022-04-15 15:01:31,681 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 [2022-04-15 15:01:31,681 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,681 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,681 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,682 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 [2022-04-15 15:01:31,683 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 [2022-04-15 15:01:31,683 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 [2022-04-15 15:01:31,683 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 [2022-04-15 15:01:31,683 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:31,684 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 [2022-04-15 15:01:31,684 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:31,685 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 [2022-04-15 15:01:31,685 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 [2022-04-15 15:01:31,686 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:31,686 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 [2022-04-15 15:01:31,687 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:01:31,688 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 [2022-04-15 15:01:31,688 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 [2022-04-15 15:01:31,688 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,688 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,688 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,692 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 [2022-04-15 15:01:31,692 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 [2022-04-15 15:01:31,692 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:01:31,692 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:01:31,692 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:01:31,693 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 [2022-04-15 15:01:31,694 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 [2022-04-15 15:01:31,695 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 [2022-04-15 15:01:31,696 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 [2022-04-15 15:01:31,697 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 [2022-04-15 15:01:31,698 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 [2022-04-15 15:01:31,698 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:01:31,698 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-15 15:01:31,699 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-15 15:01:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-15 15:01:31,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:02:59,159 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-15 15:02:59,160 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-15 15:02:59,160 INFO L290 TraceCheckUtils]: 110: Hoare triple {13002#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {13006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:02:59,160 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 [2022-04-15 15:02:59,161 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 [2022-04-15 15:02:59,161 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 [2022-04-15 15:03:01,162 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 [2022-04-15 15:03:01,163 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 [2022-04-15 15:03:01,164 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 [2022-04-15 15:03:01,164 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,164 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,164 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,164 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 [2022-04-15 15:03:01,165 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 [2022-04-15 15:03:01,165 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,165 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,165 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,165 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 [2022-04-15 15:03:01,166 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 [2022-04-15 15:03:01,166 INFO L290 TraceCheckUtils]: 93: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:01,167 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 [2022-04-15 15:03:01,167 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 [2022-04-15 15:03:01,167 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 [2022-04-15 15:03:01,168 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 [2022-04-15 15:03:01,168 INFO L290 TraceCheckUtils]: 88: Hoare triple {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {12931#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:01,169 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 [2022-04-15 15:03:01,169 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 [2022-04-15 15:03:01,169 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 [2022-04-15 15:03:01,170 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 [2022-04-15 15:03:01,409 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 [2022-04-15 15:03:01,410 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 [2022-04-15 15:03:01,410 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,410 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,410 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,410 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 [2022-04-15 15:03:01,411 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 [2022-04-15 15:03:01,411 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,411 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,411 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,411 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 [2022-04-15 15:03:01,417 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 [2022-04-15 15:03:01,417 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,417 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,417 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,417 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 [2022-04-15 15:03:01,417 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 [2022-04-15 15:03:01,418 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,418 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,418 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,418 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 [2022-04-15 15:03:01,418 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 [2022-04-15 15:03:01,633 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 [2022-04-15 15:03:01,634 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 [2022-04-15 15:03:01,634 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,634 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,634 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,634 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 [2022-04-15 15:03:01,635 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 [2022-04-15 15:03:01,635 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,635 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,635 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,635 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 [2022-04-15 15:03:01,636 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 [2022-04-15 15:03:01,636 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,636 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,636 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,636 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 [2022-04-15 15:03:01,637 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 [2022-04-15 15:03:01,637 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,637 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,637 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,637 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 [2022-04-15 15:03:01,638 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 [2022-04-15 15:03:01,638 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 [2022-04-15 15:03:01,639 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 [2022-04-15 15:03:01,640 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 [2022-04-15 15:03:01,640 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,640 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,640 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,640 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 [2022-04-15 15:03:01,640 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 [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,641 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 [2022-04-15 15:03:01,641 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 [2022-04-15 15:03:01,641 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,641 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,642 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 [2022-04-15 15:03:01,642 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,642 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 [2022-04-15 15:03:01,642 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,642 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,642 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 [2022-04-15 15:03:01,642 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 [2022-04-15 15:03:01,643 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-15 15:03:01,643 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,643 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 15:03:01,643 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 15:03:01,643 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 [2022-04-15 15:03:01,643 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 [2022-04-15 15:03:01,643 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-15 15:03:01,643 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-15 15:03:01,643 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 15:03:01,643 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 [2022-04-15 15:03:01,643 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-15 15:03:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 70 proven. 34 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-04-15 15:03:01,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:03:01,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656339790] [2022-04-15 15:03:01,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:03:01,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670202001] [2022-04-15 15:03:01,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670202001] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:03:01,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:03:01,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2022-04-15 15:03:01,645 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:03:01,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [437274035] [2022-04-15 15:03:01,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [437274035] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:03:01,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:03:01,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-15 15:03:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691705806] [2022-04-15 15:03:01,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:03:01,646 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 [2022-04-15 15:03:01,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:03:01,646 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) [2022-04-15 15:03:01,716 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:01,716 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-15 15:03:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-15 15:03:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2022-04-15 15:03:01,717 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) [2022-04-15 15:03:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:05,235 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2022-04-15 15:03:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-15 15:03:05,236 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 [2022-04-15 15:03:05,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:03:05,236 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) [2022-04-15 15:03:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-15 15:03:05,237 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) [2022-04-15 15:03:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-15 15:03:05,238 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 117 transitions. [2022-04-15 15:03:05,367 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:05,370 INFO L225 Difference]: With dead ends: 162 [2022-04-15 15:03:05,370 INFO L226 Difference]: Without dead ends: 159 [2022-04-15 15:03:05,371 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2022-04-15 15:03:05,372 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 [2022-04-15 15:03:05,373 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] [2022-04-15 15:03:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-04-15 15:03:05,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2022-04-15 15:03:05,700 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:03:05,701 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) [2022-04-15 15:03:05,701 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) [2022-04-15 15:03:05,701 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) [2022-04-15 15:03:05,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:05,705 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-15 15:03:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-15 15:03:05,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:05,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:05,707 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. [2022-04-15 15:03:05,707 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. [2022-04-15 15:03:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:05,711 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-15 15:03:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-15 15:03:05,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:05,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:05,712 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:03:05,712 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:03:05,712 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) [2022-04-15 15:03:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-04-15 15:03:05,717 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 113 [2022-04-15 15:03:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:03:05,717 INFO L478 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-04-15 15:03:05,717 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) [2022-04-15 15:03:05,717 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 157 states and 209 transitions. [2022-04-15 15:03:06,152 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-04-15 15:03:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-15 15:03:06,154 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:03:06,154 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] [2022-04-15 15:03:06,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-04-15 15:03:06,367 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 [2022-04-15 15:03:06,367 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:03:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:03:06,368 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-15 15:03:06,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:06,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2065272173] [2022-04-15 15:03:06,368 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:03:06,368 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-15 15:03:06,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:03:06,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067225282] [2022-04-15 15:03:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:03:06,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:03:06,390 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:03:06,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489568970] [2022-04-15 15:03:06,391 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 15:03:06,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:03:06,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:03:06,398 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) [2022-04-15 15:03:06,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-15 15:03:06,481 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 15:03:06,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:03:06,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 15:03:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:03:06,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:03:06,890 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-15 15:03:06,891 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 [2022-04-15 15:03:06,891 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,891 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-15 15:03:06,891 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-15 15:03:06,891 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 [2022-04-15 15:03:06,891 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 [2022-04-15 15:03:06,891 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,891 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,891 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,891 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-15 15:03:06,891 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 [2022-04-15 15:03:06,891 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 [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-15 15:03:06,892 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 [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-15 15:03:06,892 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 [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,892 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-15 15:03:06,893 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 [2022-04-15 15:03:06,893 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 [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-15 15:03:06,893 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 [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,893 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 15:03:06,894 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 [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-15 15:03:06,894 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 [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,894 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-15 15:03:06,895 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 [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-15 15:03:06,895 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 [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,895 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-15 15:03:06,896 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:03:06,897 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 [2022-04-15 15:03:06,897 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:03:06,898 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 [2022-04-15 15:03:06,898 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:03:06,898 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 [2022-04-15 15:03:06,898 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,898 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,898 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,899 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 [2022-04-15 15:03:06,899 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 [2022-04-15 15:03:06,899 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,899 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,899 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,900 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 [2022-04-15 15:03:06,900 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 [2022-04-15 15:03:06,900 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,900 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,900 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,901 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 [2022-04-15 15:03:06,901 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 [2022-04-15 15:03:06,901 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,901 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,901 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,902 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 [2022-04-15 15:03:06,903 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 [2022-04-15 15:03:06,903 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,903 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 [2022-04-15 15:03:06,903 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,904 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,904 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,904 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,904 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 [2022-04-15 15:03:06,905 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,905 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,905 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,906 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,906 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 [2022-04-15 15:03:06,906 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,906 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,906 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,907 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,907 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 [2022-04-15 15:03:06,907 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:06,907 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:06,907 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:06,908 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,908 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:06,909 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 [2022-04-15 15:03:06,909 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-15 15:03:06,909 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-15 15:03:06,909 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 [2022-04-15 15:03:06,909 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-15 15:03:06,910 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-15 15:03:06,910 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-15 15:03:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-15 15:03:06,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:03:07,304 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-15 15:03:07,304 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-15 15:03:07,304 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-15 15:03:07,304 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 [2022-04-15 15:03:07,305 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-15 15:03:07,305 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-15 15:03:07,305 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 [2022-04-15 15:03:07,306 INFO L290 TraceCheckUtils]: 108: Hoare triple {14591#(< 0 main_~c~0)} assume !(~c~0 >= ~b~0); {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,306 INFO L284 TraceCheckUtils]: 107: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #97#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,306 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,306 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,307 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,307 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 [2022-04-15 15:03:07,307 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #95#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,307 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,307 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,307 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,307 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 [2022-04-15 15:03:07,308 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #93#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,308 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,308 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,308 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,308 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 [2022-04-15 15:03:07,309 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {14325#true} {14591#(< 0 main_~c~0)} #91#return; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,309 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,309 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,309 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,309 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 [2022-04-15 15:03:07,309 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 15:03:07,310 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 [2022-04-15 15:03:07,311 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 [2022-04-15 15:03:07,311 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,311 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,311 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,311 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 [2022-04-15 15:03:07,311 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 [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,312 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 [2022-04-15 15:03:07,312 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 [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,312 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,312 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 [2022-04-15 15:03:07,313 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 [2022-04-15 15:03:07,313 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,313 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,313 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,313 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 [2022-04-15 15:03:07,313 INFO L290 TraceCheckUtils]: 65: Hoare triple {14524#(< main_~b~0 main_~c~0)} assume !false; {14524#(< main_~b~0 main_~c~0)} is VALID [2022-04-15 15:03:07,314 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 [2022-04-15 15:03:07,314 INFO L290 TraceCheckUtils]: 63: Hoare triple {14517#(< main_~b~0 main_~a~0)} assume !false; {14517#(< main_~b~0 main_~a~0)} is VALID [2022-04-15 15:03:07,314 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 [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 61: Hoare triple {14325#true} assume !(~c~0 >= ~b~0); {14513#(not (<= main_~b~0 main_~c~0))} is VALID [2022-04-15 15:03:07,315 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,315 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 [2022-04-15 15:03:07,315 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,315 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 [2022-04-15 15:03:07,315 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,315 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,316 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 [2022-04-15 15:03:07,316 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,316 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 [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 39: Hoare triple {14325#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,316 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 [2022-04-15 15:03:07,316 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,316 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,317 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 [2022-04-15 15:03:07,317 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 [2022-04-15 15:03:07,317 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,317 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 [2022-04-15 15:03:07,317 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,317 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 [2022-04-15 15:03:07,317 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,317 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,318 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 [2022-04-15 15:03:07,318 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 [2022-04-15 15:03:07,318 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 15:03:07,318 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 [2022-04-15 15:03:07,318 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 [2022-04-15 15:03:07,318 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 15:03:07,318 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 [2022-04-15 15:03:07,318 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-15 15:03:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 40 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-04-15 15:03:07,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:03:07,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067225282] [2022-04-15 15:03:07,319 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:03:07,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489568970] [2022-04-15 15:03:07,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489568970] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:03:07,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:03:07,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-15 15:03:07,319 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:03:07,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2065272173] [2022-04-15 15:03:07,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2065272173] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:03:07,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:03:07,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 15:03:07,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119438849] [2022-04-15 15:03:07,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:03:07,320 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 [2022-04-15 15:03:07,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:03:07,320 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) [2022-04-15 15:03:07,373 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:07,373 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 15:03:07,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:07,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 15:03:07,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-15 15:03:07,374 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) [2022-04-15 15:03:08,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:08,591 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2022-04-15 15:03:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-15 15:03:08,592 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 [2022-04-15 15:03:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:03:08,592 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) [2022-04-15 15:03:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 15:03:08,595 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) [2022-04-15 15:03:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 15:03:08,597 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-15 15:03:08,742 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:08,747 INFO L225 Difference]: With dead ends: 211 [2022-04-15 15:03:08,747 INFO L226 Difference]: Without dead ends: 203 [2022-04-15 15:03:08,748 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 [2022-04-15 15:03:08,750 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 [2022-04-15 15:03:08,750 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] [2022-04-15 15:03:08,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-04-15 15:03:09,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 184. [2022-04-15 15:03:09,213 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:03:09,213 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) [2022-04-15 15:03:09,214 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) [2022-04-15 15:03:09,214 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) [2022-04-15 15:03:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:09,220 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-15 15:03:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-15 15:03:09,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:09,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:09,222 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. [2022-04-15 15:03:09,222 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. [2022-04-15 15:03:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:09,229 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-15 15:03:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-15 15:03:09,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:09,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:09,229 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:03:09,230 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:03:09,230 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) [2022-04-15 15:03:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-04-15 15:03:09,235 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 116 [2022-04-15 15:03:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:03:09,236 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-04-15 15:03:09,236 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) [2022-04-15 15:03:09,236 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 184 states and 256 transitions. [2022-04-15 15:03:09,769 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-04-15 15:03:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-15 15:03:09,770 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:03:09,770 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] [2022-04-15 15:03:09,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-15 15:03:09,979 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 [2022-04-15 15:03:09,979 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:03:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:03:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-15 15:03:09,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:09,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1003873281] [2022-04-15 15:03:09,980 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:03:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-15 15:03:09,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:03:09,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783445729] [2022-04-15 15:03:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:03:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:03:09,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:03:09,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503286945] [2022-04-15 15:03:09,997 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:03:09,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:03:09,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:03:09,998 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) [2022-04-15 15:03:10,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-15 15:03:10,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:03:10,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:03:10,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-15 15:03:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:03:10,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:03:10,349 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-15 15:03:10,349 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 [2022-04-15 15:03:10,349 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,349 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-15 15:03:10,349 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-15 15:03:10,349 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 [2022-04-15 15:03:10,349 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 [2022-04-15 15:03:10,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-15 15:03:10,350 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 [2022-04-15 15:03:10,350 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 [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-15 15:03:10,350 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 [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-15 15:03:10,350 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 [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,350 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-15 15:03:10,351 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 [2022-04-15 15:03:10,351 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 [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-15 15:03:10,351 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 [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:10,351 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 [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,351 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:10,352 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 [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:10,352 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 [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 15:03:10,352 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 [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,352 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-15 15:03:10,353 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 [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:10,353 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 [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,353 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:10,354 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 [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:10,354 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 [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,354 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 15:03:10,355 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 [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 15:03:10,355 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 [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:10,355 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 [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,355 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,356 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:10,356 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 [2022-04-15 15:03:10,356 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,356 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,356 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,356 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:10,356 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 [2022-04-15 15:03:10,364 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:10,364 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 [2022-04-15 15:03:10,365 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:10,365 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 [2022-04-15 15:03:10,365 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 [2022-04-15 15:03:10,365 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,365 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,365 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,366 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 [2022-04-15 15:03:10,366 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 [2022-04-15 15:03:10,367 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 [2022-04-15 15:03:10,367 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 [2022-04-15 15:03:10,367 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 [2022-04-15 15:03:10,368 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 [2022-04-15 15:03:10,368 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 [2022-04-15 15:03:10,368 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:10,368 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:10,368 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:10,369 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 [2022-04-15 15:03:10,369 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 [2022-04-15 15:03:10,370 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:10,370 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-15 15:03:10,370 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-15 15:03:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-15 15:03:10,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:03:19,920 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-15 15:03:19,920 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-15 15:03:19,920 INFO L290 TraceCheckUtils]: 119: Hoare triple {16605#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16609#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:19,921 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 [2022-04-15 15:03:19,922 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 [2022-04-15 15:03:19,922 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,922 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,922 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,922 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 [2022-04-15 15:03:19,922 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 [2022-04-15 15:03:19,923 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 [2022-04-15 15:03:19,923 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 [2022-04-15 15:03:19,923 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 [2022-04-15 15:03:19,924 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 [2022-04-15 15:03:19,924 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 [2022-04-15 15:03:19,924 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,924 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,924 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,924 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 [2022-04-15 15:03:19,925 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 [2022-04-15 15:03:19,925 INFO L290 TraceCheckUtils]: 101: Hoare triple {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {16548#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:19,926 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 [2022-04-15 15:03:19,926 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 [2022-04-15 15:03:19,926 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 [2022-04-15 15:03:19,926 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:19,926 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,926 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,926 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,926 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 [2022-04-15 15:03:19,926 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:19,926 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,926 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,927 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 [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:19,927 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 [2022-04-15 15:03:19,927 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,927 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 [2022-04-15 15:03:19,927 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,927 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 [2022-04-15 15:03:19,927 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,927 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,928 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 [2022-04-15 15:03:19,928 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,928 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 [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 64: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:19,928 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 [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,928 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,928 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 [2022-04-15 15:03:19,928 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,929 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 [2022-04-15 15:03:19,929 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,929 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 [2022-04-15 15:03:19,929 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,929 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 [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 39: Hoare triple {16242#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {16242#true} is VALID [2022-04-15 15:03:19,929 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,930 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 [2022-04-15 15:03:19,930 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,930 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 [2022-04-15 15:03:19,930 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 [2022-04-15 15:03:19,930 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,930 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,930 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 [2022-04-15 15:03:19,930 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,931 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 [2022-04-15 15:03:19,931 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,931 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 [2022-04-15 15:03:19,931 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 [2022-04-15 15:03:19,931 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 15:03:19,931 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 [2022-04-15 15:03:19,931 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 [2022-04-15 15:03:19,931 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-15 15:03:19,931 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-15 15:03:19,932 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 15:03:19,932 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 [2022-04-15 15:03:19,932 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-15 15:03:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-04-15 15:03:19,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:03:19,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783445729] [2022-04-15 15:03:19,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:03:19,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503286945] [2022-04-15 15:03:19,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503286945] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:03:19,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:03:19,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 15:03:19,933 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:03:19,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1003873281] [2022-04-15 15:03:19,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1003873281] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:03:19,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:03:19,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 15:03:19,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090188709] [2022-04-15 15:03:19,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:03:19,934 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 [2022-04-15 15:03:19,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:03:19,934 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) [2022-04-15 15:03:19,975 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:19,975 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 15:03:19,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:19,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 15:03:19,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 15:03:19,975 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) [2022-04-15 15:03:20,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:20,741 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2022-04-15 15:03:20,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 15:03:20,741 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 [2022-04-15 15:03:20,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:03:20,741 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) [2022-04-15 15:03:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 15:03:20,742 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) [2022-04-15 15:03:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 15:03:20,743 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-15 15:03:20,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:20,795 INFO L225 Difference]: With dead ends: 198 [2022-04-15 15:03:20,795 INFO L226 Difference]: Without dead ends: 195 [2022-04-15 15:03:20,796 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 [2022-04-15 15:03:20,796 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 15:03:20,796 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 15:03:20,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-15 15:03:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2022-04-15 15:03:21,179 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:03:21,179 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) [2022-04-15 15:03:21,179 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) [2022-04-15 15:03:21,180 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) [2022-04-15 15:03:21,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:21,185 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-15 15:03:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-15 15:03:21,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:21,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:21,186 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. [2022-04-15 15:03:21,187 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. [2022-04-15 15:03:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:03:21,192 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-15 15:03:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-15 15:03:21,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:03:21,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:03:21,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:03:21,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:03:21,194 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) [2022-04-15 15:03:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-04-15 15:03:21,199 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 122 [2022-04-15 15:03:21,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:03:21,200 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-04-15 15:03:21,200 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) [2022-04-15 15:03:21,200 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 194 states and 262 transitions. [2022-04-15 15:03:21,858 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:03:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-04-15 15:03:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-15 15:03:21,858 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:03:21,859 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] [2022-04-15 15:03:21,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-15 15:03:22,063 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 [2022-04-15 15:03:22,064 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:03:22,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:03:22,064 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-15 15:03:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:03:22,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1909153708] [2022-04-15 15:03:22,065 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:03:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-15 15:03:22,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:03:22,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575560350] [2022-04-15 15:03:22,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:03:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:03:22,088 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:03:22,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298145686] [2022-04-15 15:03:22,089 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 15:03:22,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:03:22,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:03:22,105 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) [2022-04-15 15:03:22,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-15 15:03:22,212 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 15:03:22,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:03:22,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 82 conjunts are in the unsatisfiable core [2022-04-15 15:03:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:03:22,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:03:23,375 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-15 15:03:23,375 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 [2022-04-15 15:03:23,375 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,375 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-15 15:03:23,375 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-15 15:03:23,376 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 [2022-04-15 15:03:23,376 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 [2022-04-15 15:03:23,376 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,376 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,376 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,376 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-15 15:03:23,376 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 [2022-04-15 15:03:23,376 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 [2022-04-15 15:03:23,376 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-15 15:03:23,377 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 [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-15 15:03:23,377 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 [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,377 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,378 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,378 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-15 15:03:23,378 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 [2022-04-15 15:03:23,378 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 [2022-04-15 15:03:23,378 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,378 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,379 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,379 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 [2022-04-15 15:03:23,379 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 [2022-04-15 15:03:23,380 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,380 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,380 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,381 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 [2022-04-15 15:03:23,381 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 [2022-04-15 15:03:23,382 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 [2022-04-15 15:03:23,382 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 [2022-04-15 15:03:23,382 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 [2022-04-15 15:03:23,382 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,382 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,382 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,383 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 [2022-04-15 15:03:23,383 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 [2022-04-15 15:03:23,384 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:23,384 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 [2022-04-15 15:03:23,384 INFO L290 TraceCheckUtils]: 49: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:23,385 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 [2022-04-15 15:03:23,385 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 [2022-04-15 15:03:23,386 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,386 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,386 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,386 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 [2022-04-15 15:03:23,387 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 [2022-04-15 15:03:23,387 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,387 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,387 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,388 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 [2022-04-15 15:03:23,388 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 [2022-04-15 15:03:23,389 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 [2022-04-15 15:03:23,389 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 [2022-04-15 15:03:23,390 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 [2022-04-15 15:03:23,390 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 [2022-04-15 15:03:23,390 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 [2022-04-15 15:03:23,390 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,391 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,391 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,391 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 [2022-04-15 15:03:23,392 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 [2022-04-15 15:03:23,392 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:23,392 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 [2022-04-15 15:03:23,393 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:23,394 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 [2022-04-15 15:03:23,394 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 [2022-04-15 15:03:23,394 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,394 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,394 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,395 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 [2022-04-15 15:03:23,395 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 [2022-04-15 15:03:23,395 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,395 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,395 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,396 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 [2022-04-15 15:03:23,397 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 [2022-04-15 15:03:23,398 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 [2022-04-15 15:03:23,398 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 [2022-04-15 15:03:23,398 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,398 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,398 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,399 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 [2022-04-15 15:03:23,399 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 [2022-04-15 15:03:23,399 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,399 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,399 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,400 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 [2022-04-15 15:03:23,400 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 [2022-04-15 15:03:23,400 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,400 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,400 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,401 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 [2022-04-15 15:03:23,401 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 [2022-04-15 15:03:23,401 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:03:23,401 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:03:23,402 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:03:23,402 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 [2022-04-15 15:03:23,403 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 [2022-04-15 15:03:23,404 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 [2022-04-15 15:03:23,404 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 [2022-04-15 15:03:23,405 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 [2022-04-15 15:03:23,405 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 [2022-04-15 15:03:23,405 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 [2022-04-15 15:03:23,406 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:23,406 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 [2022-04-15 15:03:23,406 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:23,407 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 [2022-04-15 15:03:23,408 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 [2022-04-15 15:03:23,408 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:23,408 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 [2022-04-15 15:03:23,409 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:03:23,410 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 [2022-04-15 15:03:23,411 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 [2022-04-15 15:03:23,411 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:03:23,411 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-15 15:03:23,412 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-15 15:03:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 99 proven. 86 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-04-15 15:03:23,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:04:50,666 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-15 15:04:50,667 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-15 15:04:50,667 INFO L290 TraceCheckUtils]: 124: Hoare triple {18548#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18552#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:04:50,668 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 [2022-04-15 15:04:50,669 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 [2022-04-15 15:04:50,669 INFO L290 TraceCheckUtils]: 121: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:50,669 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 [2022-04-15 15:04:50,669 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 [2022-04-15 15:04:50,670 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 [2022-04-15 15:04:50,670 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 [2022-04-15 15:04:50,671 INFO L290 TraceCheckUtils]: 116: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:50,671 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 [2022-04-15 15:04:50,671 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 [2022-04-15 15:04:50,671 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 [2022-04-15 15:04:50,672 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 [2022-04-15 15:04:50,672 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 [2022-04-15 15:04:50,673 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 [2022-04-15 15:04:50,689 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 [2022-04-15 15:04:50,690 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 [2022-04-15 15:04:50,691 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 [2022-04-15 15:04:50,691 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,691 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,691 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,691 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 [2022-04-15 15:04:50,692 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 [2022-04-15 15:04:50,692 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,692 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,692 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,692 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 [2022-04-15 15:04:50,693 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 [2022-04-15 15:04:50,693 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,693 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,693 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,693 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 [2022-04-15 15:04:50,694 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 [2022-04-15 15:04:50,694 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,694 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,694 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,694 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 [2022-04-15 15:04:50,694 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 [2022-04-15 15:04:50,930 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 [2022-04-15 15:04:50,931 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 [2022-04-15 15:04:50,931 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,931 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,932 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,932 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 [2022-04-15 15:04:50,932 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 [2022-04-15 15:04:50,932 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,933 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,933 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,933 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 [2022-04-15 15:04:50,934 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 [2022-04-15 15:04:50,934 INFO L290 TraceCheckUtils]: 74: Hoare triple {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {18314#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:04:50,935 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 [2022-04-15 15:04:50,935 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 [2022-04-15 15:04:50,935 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 [2022-04-15 15:04:50,936 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 [2022-04-15 15:04:50,936 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,936 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,936 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,936 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 [2022-04-15 15:04:50,937 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 [2022-04-15 15:04:50,937 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 [2022-04-15 15:04:50,937 INFO L290 TraceCheckUtils]: 63: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 15:04:50,938 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 [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 61: Hoare triple {18162#true} assume !(~c~0 >= ~b~0); {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18162#true} #97#return; {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,938 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 [2022-04-15 15:04:50,938 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18162#true} #95#return; {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,938 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,938 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 [2022-04-15 15:04:50,938 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18162#true} {18162#true} #93#return; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 49: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 48: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,939 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 [2022-04-15 15:04:50,939 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18162#true} #91#return; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,939 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 [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 40: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 39: Hoare triple {18162#true} assume !!(0 != ~b~0);~c~0 := ~a~0;~k~0 := 0; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L290 TraceCheckUtils]: 38: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 15:04:50,939 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18162#true} #89#return; {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,940 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 [2022-04-15 15:04:50,940 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18162#true} #87#return; {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,940 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 [2022-04-15 15:04:50,940 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 [2022-04-15 15:04:50,940 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-15 15:04:50,940 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,941 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 [2022-04-15 15:04:50,941 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,941 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 [2022-04-15 15:04:50,941 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,941 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,942 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 [2022-04-15 15:04:50,942 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 [2022-04-15 15:04:50,942 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-15 15:04:50,942 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,942 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 15:04:50,942 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 15:04:50,942 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 [2022-04-15 15:04:50,942 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 [2022-04-15 15:04:50,942 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-15 15:04:50,942 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-15 15:04:50,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 15:04:50,943 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 [2022-04-15 15:04:50,943 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-15 15:04:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 130 proven. 29 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-15 15:04:50,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:04:50,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575560350] [2022-04-15 15:04:50,943 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:04:50,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298145686] [2022-04-15 15:04:50,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298145686] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:04:50,944 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:04:50,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 22 [2022-04-15 15:04:50,944 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:04:50,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1909153708] [2022-04-15 15:04:50,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1909153708] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:04:50,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:04:50,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 15:04:50,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873914103] [2022-04-15 15:04:50,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:04:50,945 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 [2022-04-15 15:04:50,945 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:04:50,945 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) [2022-04-15 15:04:51,041 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:51,041 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 15:04:51,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 15:04:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-04-15 15:04:51,042 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) [2022-04-15 15:04:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:53,832 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2022-04-15 15:04:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-15 15:04:53,832 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 [2022-04-15 15:04:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:04:53,832 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) [2022-04-15 15:04:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-15 15:04:53,835 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) [2022-04-15 15:04:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-15 15:04:53,837 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 135 transitions. [2022-04-15 15:04:54,033 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:54,040 INFO L225 Difference]: With dead ends: 265 [2022-04-15 15:04:54,040 INFO L226 Difference]: Without dead ends: 263 [2022-04-15 15:04:54,042 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-04-15 15:04:54,042 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-15 15:04:54,042 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 311 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-15 15:04:54,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-04-15 15:04:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2022-04-15 15:04:54,643 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:04:54,643 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) [2022-04-15 15:04:54,644 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) [2022-04-15 15:04:54,644 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) [2022-04-15 15:04:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:54,651 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-15 15:04:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-15 15:04:54,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:54,652 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:54,653 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. [2022-04-15 15:04:54,653 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. [2022-04-15 15:04:54,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:04:54,661 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-15 15:04:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-15 15:04:54,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:04:54,662 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:04:54,662 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:04:54,662 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:04:54,662 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) [2022-04-15 15:04:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 350 transitions. [2022-04-15 15:04:54,670 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 350 transitions. Word has length 127 [2022-04-15 15:04:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:04:54,670 INFO L478 AbstractCegarLoop]: Abstraction has 260 states and 350 transitions. [2022-04-15 15:04:54,671 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) [2022-04-15 15:04:54,671 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 260 states and 350 transitions. [2022-04-15 15:04:55,522 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:04:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 350 transitions. [2022-04-15 15:04:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-15 15:04:55,523 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:04:55,523 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] [2022-04-15 15:04:55,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-15 15:04:55,729 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 [2022-04-15 15:04:55,729 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:04:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:04:55,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-15 15:04:55,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:04:55,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1558358179] [2022-04-15 15:04:55,730 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:04:55,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-15 15:04:55,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:04:55,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679620807] [2022-04-15 15:04:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:04:55,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:04:55,753 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:04:55,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132539022] [2022-04-15 15:04:55,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 15:04:55,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:04:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:04:55,754 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) [2022-04-15 15:04:55,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-15 15:04:55,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 15:04:55,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:04:55,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-15 15:04:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:04:55,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:05:05,767 INFO L272 TraceCheckUtils]: 0: Hoare triple {20527#true} call ULTIMATE.init(); {20527#true} is VALID [2022-04-15 15:05:05,768 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 [2022-04-15 15:05:05,768 INFO L290 TraceCheckUtils]: 2: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,768 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20527#true} {20527#true} #103#return; {20527#true} is VALID [2022-04-15 15:05:05,768 INFO L272 TraceCheckUtils]: 4: Hoare triple {20527#true} call #t~ret6 := main(); {20527#true} is VALID [2022-04-15 15:05:05,768 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 [2022-04-15 15:05:05,768 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 [2022-04-15 15:05:05,768 INFO L290 TraceCheckUtils]: 7: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,768 INFO L290 TraceCheckUtils]: 8: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,768 INFO L290 TraceCheckUtils]: 9: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,768 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {20527#true} {20527#true} #79#return; {20527#true} is VALID [2022-04-15 15:05:05,768 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 [2022-04-15 15:05:05,768 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 [2022-04-15 15:05:05,768 INFO L290 TraceCheckUtils]: 13: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,769 INFO L290 TraceCheckUtils]: 14: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,769 INFO L290 TraceCheckUtils]: 15: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,769 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {20527#true} {20527#true} #81#return; {20527#true} is VALID [2022-04-15 15:05:05,769 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 [2022-04-15 15:05:05,769 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 [2022-04-15 15:05:05,769 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 [2022-04-15 15:05:05,770 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 [2022-04-15 15:05:05,770 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 [2022-04-15 15:05:05,770 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 [2022-04-15 15:05:05,770 INFO L290 TraceCheckUtils]: 23: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,770 INFO L290 TraceCheckUtils]: 24: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,770 INFO L290 TraceCheckUtils]: 25: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,771 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {20527#true} {20597#(<= 1 main_~x~0)} #85#return; {20597#(<= 1 main_~x~0)} is VALID [2022-04-15 15:05:05,771 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 [2022-04-15 15:05:05,771 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 [2022-04-15 15:05:05,772 INFO L290 TraceCheckUtils]: 29: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,772 INFO L290 TraceCheckUtils]: 30: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,772 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,773 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 [2022-04-15 15:05:05,773 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 [2022-04-15 15:05:05,773 INFO L290 TraceCheckUtils]: 34: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,773 INFO L290 TraceCheckUtils]: 35: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,773 INFO L290 TraceCheckUtils]: 36: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,774 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 [2022-04-15 15:05:05,774 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 [2022-04-15 15:05:05,775 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 [2022-04-15 15:05:05,776 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 [2022-04-15 15:05:05,776 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 [2022-04-15 15:05:05,776 INFO L290 TraceCheckUtils]: 42: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,776 INFO L290 TraceCheckUtils]: 43: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,776 INFO L290 TraceCheckUtils]: 44: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,777 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 [2022-04-15 15:05:05,777 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 [2022-04-15 15:05:05,777 INFO L290 TraceCheckUtils]: 47: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,777 INFO L290 TraceCheckUtils]: 48: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,777 INFO L290 TraceCheckUtils]: 49: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,778 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 [2022-04-15 15:05:05,778 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 [2022-04-15 15:05:05,778 INFO L290 TraceCheckUtils]: 52: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,779 INFO L290 TraceCheckUtils]: 53: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,779 INFO L290 TraceCheckUtils]: 54: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,781 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 [2022-04-15 15:05:05,781 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 [2022-04-15 15:05:05,781 INFO L290 TraceCheckUtils]: 57: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,781 INFO L290 TraceCheckUtils]: 58: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,782 INFO L290 TraceCheckUtils]: 59: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,782 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 [2022-04-15 15:05:05,784 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 [2022-04-15 15:05:05,784 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 [2022-04-15 15:05:05,784 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 [2022-04-15 15:05:05,785 INFO L290 TraceCheckUtils]: 64: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,785 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 [2022-04-15 15:05:05,785 INFO L290 TraceCheckUtils]: 66: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:05,786 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 [2022-04-15 15:05:05,786 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 [2022-04-15 15:05:05,786 INFO L290 TraceCheckUtils]: 69: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,786 INFO L290 TraceCheckUtils]: 70: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,786 INFO L290 TraceCheckUtils]: 71: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,787 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 [2022-04-15 15:05:05,787 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 [2022-04-15 15:05:05,787 INFO L290 TraceCheckUtils]: 74: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,787 INFO L290 TraceCheckUtils]: 75: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,787 INFO L290 TraceCheckUtils]: 76: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,788 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 [2022-04-15 15:05:05,788 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 [2022-04-15 15:05:05,788 INFO L290 TraceCheckUtils]: 79: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,788 INFO L290 TraceCheckUtils]: 80: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,788 INFO L290 TraceCheckUtils]: 81: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,789 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 [2022-04-15 15:05:05,790 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 [2022-04-15 15:05:05,791 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 [2022-04-15 15:05:05,791 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 [2022-04-15 15:05:05,791 INFO L290 TraceCheckUtils]: 86: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,791 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 [2022-04-15 15:05:05,792 INFO L290 TraceCheckUtils]: 88: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:05,794 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 [2022-04-15 15:05:05,794 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 [2022-04-15 15:05:05,794 INFO L290 TraceCheckUtils]: 91: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,794 INFO L290 TraceCheckUtils]: 92: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,794 INFO L290 TraceCheckUtils]: 93: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,795 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 [2022-04-15 15:05:05,795 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 [2022-04-15 15:05:05,795 INFO L290 TraceCheckUtils]: 96: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,796 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 [2022-04-15 15:05:05,796 INFO L290 TraceCheckUtils]: 98: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:05,797 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 [2022-04-15 15:05:05,797 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 [2022-04-15 15:05:05,797 INFO L290 TraceCheckUtils]: 101: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,797 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 [2022-04-15 15:05:05,797 INFO L290 TraceCheckUtils]: 103: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:05,798 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 [2022-04-15 15:05:05,799 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 [2022-04-15 15:05:05,801 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 [2022-04-15 15:05:05,802 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 [2022-04-15 15:05:05,802 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 [2022-04-15 15:05:05,803 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 [2022-04-15 15:05:05,803 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 [2022-04-15 15:05:05,803 INFO L290 TraceCheckUtils]: 111: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,803 INFO L290 TraceCheckUtils]: 112: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,803 INFO L290 TraceCheckUtils]: 113: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,804 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 [2022-04-15 15:05:05,804 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 [2022-04-15 15:05:05,804 INFO L290 TraceCheckUtils]: 116: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 15:05:05,804 INFO L290 TraceCheckUtils]: 117: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 15:05:05,804 INFO L290 TraceCheckUtils]: 118: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 15:05:05,804 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 [2022-04-15 15:05:05,805 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 [2022-04-15 15:05:05,805 INFO L290 TraceCheckUtils]: 121: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,805 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 [2022-04-15 15:05:05,805 INFO L290 TraceCheckUtils]: 123: Hoare triple {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {20734#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:05:05,806 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 [2022-04-15 15:05:05,808 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 [2022-04-15 15:05:05,809 INFO L290 TraceCheckUtils]: 126: Hoare triple {20919#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {20923#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:05:05,809 INFO L290 TraceCheckUtils]: 127: Hoare triple {20923#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {20528#false} is VALID [2022-04-15 15:05:05,809 INFO L290 TraceCheckUtils]: 128: Hoare triple {20528#false} assume !false; {20528#false} is VALID [2022-04-15 15:05:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 142 proven. 88 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-04-15 15:05:05,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:07:47,914 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 15:08:01,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:08:01,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679620807] [2022-04-15 15:08:01,091 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:08:01,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132539022] [2022-04-15 15:08:01,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132539022] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 15:08:01,091 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 15:08:01,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-04-15 15:08:01,092 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:08:01,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1558358179] [2022-04-15 15:08:01,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1558358179] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:08:01,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:08:01,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 15:08:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772109072] [2022-04-15 15:08:01,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:08:01,093 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 [2022-04-15 15:08:01,093 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:08:01,093 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) [2022-04-15 15:08:01,198 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:08:01,198 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 15:08:01,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:08:01,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 15:08:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=436, Unknown=2, NotChecked=0, Total=552 [2022-04-15 15:08:01,199 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) [2022-04-15 15:08:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:08:06,801 INFO L93 Difference]: Finished difference Result 268 states and 357 transitions. [2022-04-15 15:08:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-15 15:08:06,802 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 [2022-04-15 15:08:06,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:08:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 13 states have internal predecessors, (32), 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) [2022-04-15 15:08:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-15 15:08:06,805 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) [2022-04-15 15:08:06,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-15 15:08:06,808 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 113 transitions. [2022-04-15 15:08:07,014 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:08:07,020 INFO L225 Difference]: With dead ends: 268 [2022-04-15 15:08:07,020 INFO L226 Difference]: Without dead ends: 266 [2022-04-15 15:08:07,021 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=159, Invalid=651, Unknown=2, NotChecked=0, Total=812 [2022-04-15 15:08:07,021 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 39 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-04-15 15:08:07,021 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 193 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-15 15:08:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-15 15:08:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2022-04-15 15:08:07,654 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:08:07,654 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) [2022-04-15 15:08:07,655 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) [2022-04-15 15:08:07,655 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) [2022-04-15 15:08:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:08:07,664 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-15 15:08:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-15 15:08:07,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:08:07,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:08:07,666 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. [2022-04-15 15:08:07,666 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. [2022-04-15 15:08:07,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:08:07,675 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-15 15:08:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-15 15:08:07,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:08:07,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:08:07,676 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:08:07,676 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:08:07,676 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) [2022-04-15 15:08:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-15 15:08:07,685 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 129 [2022-04-15 15:08:07,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:08:07,686 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-15 15:08:07,686 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) [2022-04-15 15:08:07,686 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-15 15:08:08,547 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:08:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-15 15:08:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-15 15:08:08,548 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:08:08,548 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] [2022-04-15 15:08:08,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-15 15:08:08,748 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 [2022-04-15 15:08:08,748 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:08:08,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:08:08,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-15 15:08:08,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:08:08,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [61450120] [2022-04-15 15:08:08,749 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:08:08,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-15 15:08:08,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:08:08,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697115861] [2022-04-15 15:08:08,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:08:08,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:08:08,762 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:08:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132251844] [2022-04-15 15:08:08,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 15:08:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:08:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:08:08,763 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) [2022-04-15 15:08:08,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-15 15:08:08,836 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 15:08:08,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:08:08,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-15 15:08:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:08:08,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:08:10,973 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-15 15:08:10,973 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 [2022-04-15 15:08:10,973 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,973 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-15 15:08:10,973 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-15 15:08:10,973 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 [2022-04-15 15:08:10,973 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 [2022-04-15 15:08:10,973 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-15 15:08:10,974 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 [2022-04-15 15:08:10,974 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 [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-15 15:08:10,974 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 [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-15 15:08:10,974 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 [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,974 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,975 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-15 15:08:10,975 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 [2022-04-15 15:08:10,975 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 [2022-04-15 15:08:10,975 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,975 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,975 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,976 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 [2022-04-15 15:08:10,976 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 [2022-04-15 15:08:10,976 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,976 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,976 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,977 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 [2022-04-15 15:08:10,977 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 [2022-04-15 15:08:10,978 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 [2022-04-15 15:08:10,978 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 [2022-04-15 15:08:10,978 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 [2022-04-15 15:08:10,978 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,978 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,978 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,979 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 [2022-04-15 15:08:10,979 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 [2022-04-15 15:08:10,979 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,979 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,979 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,980 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 [2022-04-15 15:08:10,980 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 [2022-04-15 15:08:10,980 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:10,981 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 [2022-04-15 15:08:10,981 INFO L290 TraceCheckUtils]: 54: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:08:10,982 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 [2022-04-15 15:08:10,982 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 [2022-04-15 15:08:10,982 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:10,982 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 [2022-04-15 15:08:10,983 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:08:10,984 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 [2022-04-15 15:08:10,984 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 [2022-04-15 15:08:10,985 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 [2022-04-15 15:08:10,985 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 [2022-04-15 15:08:10,986 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 [2022-04-15 15:08:10,987 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 [2022-04-15 15:08:10,987 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 [2022-04-15 15:08:10,987 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,987 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,987 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,988 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 [2022-04-15 15:08:10,988 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 [2022-04-15 15:08:10,988 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,988 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,988 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,988 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 [2022-04-15 15:08:10,989 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 [2022-04-15 15:08:10,989 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,989 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,989 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,989 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 [2022-04-15 15:08:10,990 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 [2022-04-15 15:08:10,990 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:10,990 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:10,990 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:10,992 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 [2022-04-15 15:08:10,994 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 [2022-04-15 15:08:10,995 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 [2022-04-15 15:08:10,995 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 [2022-04-15 15:08:10,995 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:10,996 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 [2022-04-15 15:08:10,996 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:08:10,997 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 [2022-04-15 15:08:10,997 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 [2022-04-15 15:08:10,998 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:10,998 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 [2022-04-15 15:08:10,998 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:08:11,002 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 [2022-04-15 15:08:11,002 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 [2022-04-15 15:08:11,002 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:11,003 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:11,003 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:11,003 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 [2022-04-15 15:08:11,004 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 [2022-04-15 15:08:11,004 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:11,004 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:11,004 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:11,005 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 [2022-04-15 15:08:11,006 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 [2022-04-15 15:08:11,008 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 [2022-04-15 15:08:11,008 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 [2022-04-15 15:08:11,009 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 [2022-04-15 15:08:11,009 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 [2022-04-15 15:08:11,009 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 [2022-04-15 15:08:11,010 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:11,010 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:11,010 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:11,010 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 [2022-04-15 15:08:11,010 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 [2022-04-15 15:08:11,010 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:08:11,011 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:08:11,011 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:08:11,011 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 [2022-04-15 15:08:11,011 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 [2022-04-15 15:08:11,012 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:11,012 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 [2022-04-15 15:08:11,012 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:08:11,013 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 [2022-04-15 15:08:11,015 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 [2022-04-15 15:08:11,015 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:08:11,015 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-15 15:08:11,015 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-15 15:08:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 103 proven. 117 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-04-15 15:08:11,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 15:10:14,947 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-15 15:10:14,948 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-15 15:10:14,948 INFO L290 TraceCheckUtils]: 129: Hoare triple {23064#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {23068#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:14,949 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 [2022-04-15 15:10:14,950 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 [2022-04-15 15:10:14,950 INFO L290 TraceCheckUtils]: 126: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:14,950 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 [2022-04-15 15:10:14,950 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 [2022-04-15 15:10:14,951 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 [2022-04-15 15:10:14,951 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 [2022-04-15 15:10:14,952 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:14,952 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:14,952 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:14,952 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 [2022-04-15 15:10:14,953 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 [2022-04-15 15:10:14,953 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:14,953 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:14,953 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:14,953 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 [2022-04-15 15:10:14,953 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 [2022-04-15 15:10:14,954 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 [2022-04-15 15:10:14,954 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 [2022-04-15 15:10:16,957 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 [2022-04-15 15:10:16,958 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 [2022-04-15 15:10:16,959 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 [2022-04-15 15:10:16,959 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:16,959 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:16,959 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:16,959 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 [2022-04-15 15:10:16,960 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 [2022-04-15 15:10:16,960 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:16,960 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:16,960 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:16,960 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 [2022-04-15 15:10:16,975 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 [2022-04-15 15:10:16,975 INFO L290 TraceCheckUtils]: 96: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:16,976 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 [2022-04-15 15:10:16,976 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 [2022-04-15 15:10:16,976 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 [2022-04-15 15:10:16,978 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 [2022-04-15 15:10:16,978 INFO L290 TraceCheckUtils]: 91: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:16,978 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 [2022-04-15 15:10:16,979 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 [2022-04-15 15:10:16,979 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 [2022-04-15 15:10:16,980 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 [2022-04-15 15:10:17,016 INFO L290 TraceCheckUtils]: 86: Hoare triple {23217#(or (not (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) (+ main_~a~0 (* (- 1) main_~b~0 main_~k~0) (* (- 1) main_~b~0)))) (= (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))) (* (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))))) main_~y~0)) (+ (* main_~x~0 (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0))) (* (+ main_~p~0 (* (- 1) (+ main_~k~0 1) main_~q~0)) main_~xy~0) (* (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1))) main_~yy~0) (* main_~y~0 (+ main_~r~0 (* (* (+ main_~k~0 1) main_~s~0) (- 1)))))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= (+ (* main_~b~0 main_~k~0) (* main_~b~0 2)) main_~a~0))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {23198#(or (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~yy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~xy~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) (+ (* (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~y~0) (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0))) (not (= main_~a~0 (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0)))) (<= main_~b~0 main_~c~0) (not (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) main_~c~0)) (not (= main_~a~0 (+ main_~c~0 (* main_~b~0 main_~k~0)))))} is VALID [2022-04-15 15:10:17,017 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 [2022-04-15 15:10:17,018 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:17,018 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:17,018 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:17,018 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 [2022-04-15 15:10:17,019 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 [2022-04-15 15:10:17,019 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:17,019 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:17,019 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:17,019 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 [2022-04-15 15:10:17,020 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 [2022-04-15 15:10:17,020 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:17,020 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:17,020 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:17,020 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 [2022-04-15 15:10:17,021 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 [2022-04-15 15:10:17,021 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:17,022 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:17,022 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:17,022 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 [2022-04-15 15:10:17,023 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 [2022-04-15 15:10:17,024 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 [2022-04-15 15:10:17,025 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 [2022-04-15 15:10:19,028 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 [2022-04-15 15:10:19,029 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 [2022-04-15 15:10:19,030 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 [2022-04-15 15:10:19,031 INFO L290 TraceCheckUtils]: 59: Hoare triple {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {22830#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:19,031 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 [2022-04-15 15:10:19,031 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 [2022-04-15 15:10:19,031 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 [2022-04-15 15:10:19,032 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 [2022-04-15 15:10:19,032 INFO L290 TraceCheckUtils]: 54: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,032 INFO L290 TraceCheckUtils]: 53: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,032 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,032 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 [2022-04-15 15:10:19,033 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 [2022-04-15 15:10:19,033 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,033 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,033 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,033 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 [2022-04-15 15:10:19,034 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 [2022-04-15 15:10:19,034 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,034 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,034 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,035 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 [2022-04-15 15:10:19,035 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 [2022-04-15 15:10:19,037 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 [2022-04-15 15:10:19,038 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 [2022-04-15 15:10:19,038 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 [2022-04-15 15:10:19,038 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,038 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,039 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 [2022-04-15 15:10:19,039 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 [2022-04-15 15:10:19,039 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,039 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,040 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,040 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 [2022-04-15 15:10:19,041 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 [2022-04-15 15:10:19,041 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-15 15:10:19,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,041 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,041 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 15:10:19,042 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 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 [2022-04-15 15:10:19,042 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-15 15:10:19,043 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-15 15:10:19,043 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 15:10:19,043 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 [2022-04-15 15:10:19,043 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-15 15:10:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 114 proven. 88 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-04-15 15:10:19,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 15:10:19,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697115861] [2022-04-15 15:10:19,044 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 15:10:19,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132251844] [2022-04-15 15:10:19,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132251844] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 15:10:19,044 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 15:10:19,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 29 [2022-04-15 15:10:19,044 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 15:10:19,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [61450120] [2022-04-15 15:10:19,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [61450120] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 15:10:19,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 15:10:19,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 15:10:19,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140879841] [2022-04-15 15:10:19,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 15:10:19,045 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 [2022-04-15 15:10:19,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 15:10:19,045 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) [2022-04-15 15:10:19,177 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:19,178 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 15:10:19,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 15:10:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 15:10:19,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2022-04-15 15:10:19,178 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) [2022-04-15 15:10:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:24,756 INFO L93 Difference]: Finished difference Result 281 states and 367 transitions. [2022-04-15 15:10:24,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-15 15:10:24,756 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 [2022-04-15 15:10:24,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 15:10:24,757 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) [2022-04-15 15:10:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-15 15:10:24,759 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) [2022-04-15 15:10:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-15 15:10:24,760 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 125 transitions. [2022-04-15 15:10:25,004 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:25,011 INFO L225 Difference]: With dead ends: 281 [2022-04-15 15:10:25,011 INFO L226 Difference]: Without dead ends: 279 [2022-04-15 15:10:25,012 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=260, Invalid=930, Unknown=0, NotChecked=0, Total=1190 [2022-04-15 15:10:25,012 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-04-15 15:10:25,013 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 266 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-15 15:10:25,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-15 15:10:25,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2022-04-15 15:10:25,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 15:10:25,744 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) [2022-04-15 15:10:25,745 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) [2022-04-15 15:10:25,745 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) [2022-04-15 15:10:25,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:25,752 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-15 15:10:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-15 15:10:25,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:10:25,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:10:25,753 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. [2022-04-15 15:10:25,754 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. [2022-04-15 15:10:25,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 15:10:25,760 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-15 15:10:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-15 15:10:25,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 15:10:25,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 15:10:25,762 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 15:10:25,762 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 15:10:25,762 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) [2022-04-15 15:10:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 318 transitions. [2022-04-15 15:10:25,769 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 318 transitions. Word has length 132 [2022-04-15 15:10:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 15:10:25,769 INFO L478 AbstractCegarLoop]: Abstraction has 243 states and 318 transitions. [2022-04-15 15:10:25,770 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) [2022-04-15 15:10:25,770 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 243 states and 318 transitions. [2022-04-15 15:10:26,541 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 318 edges. 318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 15:10:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 318 transitions. [2022-04-15 15:10:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-15 15:10:26,542 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 15:10:26,542 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] [2022-04-15 15:10:26,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-15 15:10:26,742 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 [2022-04-15 15:10:26,742 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 15:10:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 15:10:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-15 15:10:26,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 15:10:26,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [574036930] [2022-04-15 15:10:26,743 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 15:10:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-15 15:10:26,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 15:10:26,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778668068] [2022-04-15 15:10:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 15:10:26,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 15:10:26,754 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 15:10:26,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090199730] [2022-04-15 15:10:26,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 15:10:26,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 15:10:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 15:10:26,756 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) [2022-04-15 15:10:26,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-15 15:10:26,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 15:10:26,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 15:10:26,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-15 15:10:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 15:10:26,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 15:10:28,117 INFO L272 TraceCheckUtils]: 0: Hoare triple {25101#true} call ULTIMATE.init(); {25101#true} is VALID [2022-04-15 15:10:28,117 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 [2022-04-15 15:10:28,117 INFO L290 TraceCheckUtils]: 2: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,117 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25101#true} {25101#true} #103#return; {25101#true} is VALID [2022-04-15 15:10:28,117 INFO L272 TraceCheckUtils]: 4: Hoare triple {25101#true} call #t~ret6 := main(); {25101#true} is VALID [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 7: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 8: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 9: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25101#true} {25101#true} #79#return; {25101#true} is VALID [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25101#true} {25101#true} #81#return; {25101#true} is VALID [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 18: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 19: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L290 TraceCheckUtils]: 20: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,118 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25101#true} {25101#true} #83#return; {25101#true} is VALID [2022-04-15 15:10:28,118 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 [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 23: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 24: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 25: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,119 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25101#true} {25101#true} #85#return; {25101#true} is VALID [2022-04-15 15:10:28,119 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 [2022-04-15 15:10:28,119 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 [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 29: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 30: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,119 INFO L290 TraceCheckUtils]: 31: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,120 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 [2022-04-15 15:10:28,120 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 [2022-04-15 15:10:28,120 INFO L290 TraceCheckUtils]: 34: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,120 INFO L290 TraceCheckUtils]: 35: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,120 INFO L290 TraceCheckUtils]: 36: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,121 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 [2022-04-15 15:10:28,121 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 [2022-04-15 15:10:28,122 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 [2022-04-15 15:10:28,122 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 [2022-04-15 15:10:28,122 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 [2022-04-15 15:10:28,122 INFO L290 TraceCheckUtils]: 42: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,122 INFO L290 TraceCheckUtils]: 43: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,122 INFO L290 TraceCheckUtils]: 44: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,123 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 [2022-04-15 15:10:28,123 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 [2022-04-15 15:10:28,123 INFO L290 TraceCheckUtils]: 47: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,123 INFO L290 TraceCheckUtils]: 48: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,123 INFO L290 TraceCheckUtils]: 49: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,124 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 [2022-04-15 15:10:28,124 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 [2022-04-15 15:10:28,124 INFO L290 TraceCheckUtils]: 52: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,124 INFO L290 TraceCheckUtils]: 53: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,124 INFO L290 TraceCheckUtils]: 54: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,125 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 [2022-04-15 15:10:28,125 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 [2022-04-15 15:10:28,125 INFO L290 TraceCheckUtils]: 57: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,125 INFO L290 TraceCheckUtils]: 58: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,125 INFO L290 TraceCheckUtils]: 59: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,126 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 [2022-04-15 15:10:28,126 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 [2022-04-15 15:10:28,127 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 [2022-04-15 15:10:28,127 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 [2022-04-15 15:10:28,127 INFO L290 TraceCheckUtils]: 64: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,127 INFO L290 TraceCheckUtils]: 65: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,127 INFO L290 TraceCheckUtils]: 66: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,128 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 [2022-04-15 15:10:28,128 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 [2022-04-15 15:10:28,128 INFO L290 TraceCheckUtils]: 69: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,128 INFO L290 TraceCheckUtils]: 70: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,128 INFO L290 TraceCheckUtils]: 71: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,129 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 [2022-04-15 15:10:28,129 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 [2022-04-15 15:10:28,129 INFO L290 TraceCheckUtils]: 74: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,129 INFO L290 TraceCheckUtils]: 75: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,129 INFO L290 TraceCheckUtils]: 76: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,130 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 [2022-04-15 15:10:28,130 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 [2022-04-15 15:10:28,130 INFO L290 TraceCheckUtils]: 79: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,130 INFO L290 TraceCheckUtils]: 80: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,130 INFO L290 TraceCheckUtils]: 81: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,130 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 [2022-04-15 15:10:28,132 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 [2022-04-15 15:10:28,132 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 [2022-04-15 15:10:28,132 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 [2022-04-15 15:10:28,132 INFO L290 TraceCheckUtils]: 86: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,132 INFO L290 TraceCheckUtils]: 87: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,132 INFO L290 TraceCheckUtils]: 88: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,133 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 [2022-04-15 15:10:28,133 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 [2022-04-15 15:10:28,133 INFO L290 TraceCheckUtils]: 91: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,133 INFO L290 TraceCheckUtils]: 92: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,133 INFO L290 TraceCheckUtils]: 93: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,134 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 [2022-04-15 15:10:28,134 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 [2022-04-15 15:10:28,134 INFO L290 TraceCheckUtils]: 96: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,134 INFO L290 TraceCheckUtils]: 97: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,134 INFO L290 TraceCheckUtils]: 98: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,135 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 [2022-04-15 15:10:28,135 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 [2022-04-15 15:10:28,135 INFO L290 TraceCheckUtils]: 101: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,135 INFO L290 TraceCheckUtils]: 102: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,135 INFO L290 TraceCheckUtils]: 103: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,136 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 [2022-04-15 15:10:28,137 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 [2022-04-15 15:10:28,137 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 [2022-04-15 15:10:28,137 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 [2022-04-15 15:10:28,137 INFO L290 TraceCheckUtils]: 108: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:28,138 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 [2022-04-15 15:10:28,138 INFO L290 TraceCheckUtils]: 110: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:28,139 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 [2022-04-15 15:10:28,139 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 [2022-04-15 15:10:28,139 INFO L290 TraceCheckUtils]: 113: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:28,139 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 [2022-04-15 15:10:28,140 INFO L290 TraceCheckUtils]: 115: Hoare triple {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} assume true; {25439#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 15:10:28,141 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 [2022-04-15 15:10:28,141 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 [2022-04-15 15:10:28,141 INFO L290 TraceCheckUtils]: 118: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,141 INFO L290 TraceCheckUtils]: 119: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,141 INFO L290 TraceCheckUtils]: 120: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,144 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 [2022-04-15 15:10:28,144 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 [2022-04-15 15:10:28,144 INFO L290 TraceCheckUtils]: 123: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 15:10:28,144 INFO L290 TraceCheckUtils]: 124: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 15:10:28,144 INFO L290 TraceCheckUtils]: 125: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 15:10:28,145 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 [2022-04-15 15:10:28,145 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 [2022-04-15 15:10:28,146 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 [2022-04-15 15:10:28,146 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 [2022-04-15 15:10:28,147 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 [2022-04-15 15:10:28,147 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 [2022-04-15 15:10:28,148 INFO L290 TraceCheckUtils]: 132: Hoare triple {25510#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {25514#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 15:10:28,148 INFO L290 TraceCheckUtils]: 133: Hoare triple {25514#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25102#false} is VALID [2022-04-15 15:10:28,148 INFO L290 TraceCheckUtils]: 134: Hoare triple {25102#false} assume !false; {25102#false} is VALID [2022-04-15 15:10:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 102 proven. 52 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-04-15 15:10:28,149 INFO L328 TraceCheckSpWp]: Computing backward predicates...