/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 08:43:14,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 08:43:14,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 08:43:14,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 08:43:14,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 08:43:14,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 08:43:14,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 08:43:14,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-15 08:43:14,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 08:43:14,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 08:43:14,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 08:43:14,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 08:43:14,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 08:43:14,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 08:43:14,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 08:43:14,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 08:43:14,071 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 08:43:14,071 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 08:43:14,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 08:43:14,071 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-15 08:43:14,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 08:43:14,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 08:43:14,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 08:43:14,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 08:43:14,279 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 08:43:14,281 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 08:43:14,282 INFO L432 ainManager$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 08:43:14,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f3c8a97/6ea8a9b411c54f7fba2f5e74e39385bb/FLAG7db53c4ba [2022-04-15 08:43:14,707 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 08:43:14,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd2-ll_valuebound20.c [2022-04-15 08:43:14,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f3c8a97/6ea8a9b411c54f7fba2f5e74e39385bb/FLAG7db53c4ba [2022-04-15 08:43:14,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f3c8a97/6ea8a9b411c54f7fba2f5e74e39385bb [2022-04-15 08:43:14,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 08:43:14,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 08:43:14,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 08:43:14,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 08:43:14,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 08:43:14,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:14,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f75bcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14, skipping insertion in model container [2022-04-15 08:43:14,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:14,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 08:43:14,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 08:43:14,885 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 08:43:14,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 08:43:14,924 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 08:43:14,960 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 08:43:14,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 08:43:14,989 INFO L208 MainTranslator]: Completed translation [2022-04-15 08:43:14,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14 WrapperNode [2022-04-15 08:43:14,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 08:43:14,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 08:43:14,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 08:43:14,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 08:43:14,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:14,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 08:43:15,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 08:43:15,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 08:43:15,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 08:43:15,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (1/1) ... [2022-04-15 08:43:15,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 08:43:15,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:15,049 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 08:43:15,054 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 08:43:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 08:43:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 08:43:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 08:43:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 08:43:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 08:43:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 08:43:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 08:43:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 08:43:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 08:43:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 08:43:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 08:43:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 08:43:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 08:43:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 08:43:15,128 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 08:43:15,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 08:43:15,314 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 08:43:15,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 08:43:15,319 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-15 08:43:15,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:43:15 BoogieIcfgContainer [2022-04-15 08:43:15,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 08:43:15,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 08:43:15,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 08:43:15,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 08:43:15,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 08:43:14" (1/3) ... [2022-04-15 08:43:15,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af338b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 08:43:15, skipping insertion in model container [2022-04-15 08:43:15,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 08:43:14" (2/3) ... [2022-04-15 08:43:15,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af338b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 08:43:15, skipping insertion in model container [2022-04-15 08:43:15,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 08:43:15" (3/3) ... [2022-04-15 08:43:15,326 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2022-04-15 08:43:15,329 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 08:43:15,329 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 08:43:15,357 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 08:43:15,361 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 08:43:15,361 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 08:43:15,373 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 08:43:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-15 08:43:15,395 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:15,395 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 08:43:15,396 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 1 times [2022-04-15 08:43:15,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:15,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1542127545] [2022-04-15 08:43:15,414 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash -587582002, now seen corresponding path program 2 times [2022-04-15 08:43:15,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:15,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517012424] [2022-04-15 08:43:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:15,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 08:43:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,606 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 08:43:15,606 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 08:43:15,606 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 08:43:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 08:43:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,615 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,615 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,615 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,616 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 08:43:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-15 08:43:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,621 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,622 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,622 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,622 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 08:43:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-15 08:43:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,628 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,628 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,629 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 08:43:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-15 08:43:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,634 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,634 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,635 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,635 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 08:43:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-04-15 08:43:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,640 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,641 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,641 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,641 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 08:43:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-04-15 08:43:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:15,646 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,647 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 08:43:15,648 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 08:43:15,648 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 08:43:15,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID [2022-04-15 08:43:15,649 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #103#return; {43#true} is VALID [2022-04-15 08:43:15,649 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret6 := main(); {43#true} is VALID [2022-04-15 08:43:15,649 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 08:43:15,649 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 08:43:15,649 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,650 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,650 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,651 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} #79#return; {44#false} is VALID [2022-04-15 08:43:15,651 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 08:43:15,652 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 08:43:15,652 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,652 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,652 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,652 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} #81#return; {44#false} is VALID [2022-04-15 08:43:15,653 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 08:43:15,653 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,653 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,653 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,653 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #83#return; {44#false} is VALID [2022-04-15 08:43:15,654 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 08:43:15,654 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,654 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,654 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,654 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} #85#return; {44#false} is VALID [2022-04-15 08:43:15,655 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 08:43:15,655 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 08:43:15,655 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,655 INFO L290 TraceCheckUtils]: 30: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,655 INFO L290 TraceCheckUtils]: 31: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,656 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {44#false} {44#false} #87#return; {44#false} is VALID [2022-04-15 08:43:15,656 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 08:43:15,656 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} ~cond := #in~cond; {43#true} is VALID [2022-04-15 08:43:15,656 INFO L290 TraceCheckUtils]: 35: Hoare triple {43#true} assume 0 == ~cond;assume false; {44#false} is VALID [2022-04-15 08:43:15,656 INFO L290 TraceCheckUtils]: 36: Hoare triple {44#false} assume true; {44#false} is VALID [2022-04-15 08:43:15,657 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {44#false} {44#false} #89#return; {44#false} is VALID [2022-04-15 08:43:15,657 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} assume !true; {44#false} is VALID [2022-04-15 08:43:15,657 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 08:43:15,657 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} ~cond := #in~cond; {44#false} is VALID [2022-04-15 08:43:15,657 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} assume 0 == ~cond; {44#false} is VALID [2022-04-15 08:43:15,657 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} assume !false; {44#false} is VALID [2022-04-15 08:43:15,658 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 08:43:15,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:43:15,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517012424] [2022-04-15 08:43:15,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517012424] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:15,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:15,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 08:43:15,661 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:43:15,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1542127545] [2022-04-15 08:43:15,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1542127545] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:15,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:15,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 08:43:15,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256896580] [2022-04-15 08:43:15,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:43:15,665 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 08:43:15,666 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:43:15,668 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 08:43:15,697 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 08:43:15,698 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 08:43:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:15,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 08:43:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 08:43:15,714 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 08:43:15,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:15,908 INFO L93 Difference]: Finished difference Result 73 states and 118 transitions. [2022-04-15 08:43:15,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 08:43:15,909 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 08:43:15,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:43:15,911 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 08:43:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 08:43:15,924 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 08:43:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-04-15 08:43:15,934 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-04-15 08:43:16,050 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 08:43:16,058 INFO L225 Difference]: With dead ends: 73 [2022-04-15 08:43:16,058 INFO L226 Difference]: Without dead ends: 35 [2022-04-15 08:43:16,061 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 08:43:16,065 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 08:43:16,066 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 42 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 08:43:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-15 08:43:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-15 08:43:16,093 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:43:16,094 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 08:43:16,095 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 08:43:16,096 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 08:43:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:16,102 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 08:43:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 08:43:16,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:16,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:16,103 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 08:43:16,103 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 08:43:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:16,108 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-15 08:43:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 08:43:16,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:16,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:16,110 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:43:16,110 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:43:16,111 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 08:43:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-15 08:43:16,114 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-15 08:43:16,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:43:16,114 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-15 08:43:16,115 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 08:43:16,115 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 46 transitions. [2022-04-15 08:43:16,162 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 08:43:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-15 08:43:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-15 08:43:16,168 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:16,168 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 08:43:16,169 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 08:43:16,169 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:16,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 1 times [2022-04-15 08:43:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:16,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [218216433] [2022-04-15 08:43:16,174 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:16,174 INFO L85 PathProgramCache]: Analyzing trace with hash 987777007, now seen corresponding path program 2 times [2022-04-15 08:43:16,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:16,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51815547] [2022-04-15 08:43:16,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:16,212 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:43:16,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831197499] [2022-04-15 08:43:16,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:43:16,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:43:16,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:16,216 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 08:43:16,241 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 08:43:16,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:43:16,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:43:16,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 08:43:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:16,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:43:16,464 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 08:43:16,464 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 08:43:16,464 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,465 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 08:43:16,465 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 08:43:16,465 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 08:43:16,465 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 08:43:16,465 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,465 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,465 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,466 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 08:43:16,466 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 08:43:16,466 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 08:43:16,466 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,466 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,466 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,466 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 08:43:16,467 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 08:43:16,467 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,467 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,467 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,467 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 08:43:16,467 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 08:43:16,468 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 08:43:16,469 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 08:43:16,469 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 08:43:16,470 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 08:43:16,470 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 08:43:16,471 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 08:43:16,471 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,471 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,471 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,473 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 08:43:16,473 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 08:43:16,473 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,473 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,474 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,476 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 08:43:16,477 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 08:43:16,477 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 08:43:16,477 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 08:43:16,477 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 08:43:16,478 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 08:43:16,478 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 08:43:16,478 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 08:43:16,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:43:16,709 INFO L290 TraceCheckUtils]: 43: Hoare triple {362#false} assume !false; {362#false} is VALID [2022-04-15 08:43:16,709 INFO L290 TraceCheckUtils]: 42: Hoare triple {362#false} assume 0 == ~cond; {362#false} is VALID [2022-04-15 08:43:16,709 INFO L290 TraceCheckUtils]: 41: Hoare triple {362#false} ~cond := #in~cond; {362#false} is VALID [2022-04-15 08:43:16,709 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 08:43:16,711 INFO L290 TraceCheckUtils]: 39: Hoare triple {450#(<= 1 main_~b~0)} assume !(0 != ~b~0); {362#false} is VALID [2022-04-15 08:43:16,711 INFO L290 TraceCheckUtils]: 38: Hoare triple {450#(<= 1 main_~b~0)} assume !false; {450#(<= 1 main_~b~0)} is VALID [2022-04-15 08:43:16,716 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 08:43:16,716 INFO L290 TraceCheckUtils]: 36: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,716 INFO L290 TraceCheckUtils]: 35: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,716 INFO L290 TraceCheckUtils]: 34: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,716 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 08:43:16,717 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 08:43:16,717 INFO L290 TraceCheckUtils]: 31: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,717 INFO L290 TraceCheckUtils]: 30: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,717 INFO L290 TraceCheckUtils]: 29: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,718 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 08:43:16,718 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 08:43:16,719 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 08:43:16,719 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 08:43:16,719 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 08:43:16,720 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 08:43:16,720 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 08:43:16,720 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {361#true} {361#true} #83#return; {361#true} is VALID [2022-04-15 08:43:16,720 INFO L290 TraceCheckUtils]: 20: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,720 INFO L290 TraceCheckUtils]: 19: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,720 INFO L290 TraceCheckUtils]: 18: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,721 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 08:43:16,721 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {361#true} {361#true} #81#return; {361#true} is VALID [2022-04-15 08:43:16,721 INFO L290 TraceCheckUtils]: 15: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,721 INFO L290 TraceCheckUtils]: 14: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,721 INFO L290 TraceCheckUtils]: 13: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,721 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 08:43:16,721 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 08:43:16,721 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {361#true} {361#true} #79#return; {361#true} is VALID [2022-04-15 08:43:16,722 INFO L290 TraceCheckUtils]: 9: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,722 INFO L290 TraceCheckUtils]: 8: Hoare triple {361#true} assume !(0 == ~cond); {361#true} is VALID [2022-04-15 08:43:16,722 INFO L290 TraceCheckUtils]: 7: Hoare triple {361#true} ~cond := #in~cond; {361#true} is VALID [2022-04-15 08:43:16,722 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 08:43:16,722 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 08:43:16,722 INFO L272 TraceCheckUtils]: 4: Hoare triple {361#true} call #t~ret6 := main(); {361#true} is VALID [2022-04-15 08:43:16,722 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {361#true} {361#true} #103#return; {361#true} is VALID [2022-04-15 08:43:16,722 INFO L290 TraceCheckUtils]: 2: Hoare triple {361#true} assume true; {361#true} is VALID [2022-04-15 08:43:16,722 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 08:43:16,723 INFO L272 TraceCheckUtils]: 0: Hoare triple {361#true} call ULTIMATE.init(); {361#true} is VALID [2022-04-15 08:43:16,723 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 08:43:16,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:43:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51815547] [2022-04-15 08:43:16,723 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:43:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831197499] [2022-04-15 08:43:16,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831197499] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:43:16,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:43:16,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-04-15 08:43:16,724 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:43:16,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [218216433] [2022-04-15 08:43:16,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [218216433] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:16,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:16,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-15 08:43:16,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465512939] [2022-04-15 08:43:16,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:43:16,725 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 08:43:16,726 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:43:16,726 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 08:43:16,754 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 08:43:16,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-15 08:43:16,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:16,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-15 08:43:16,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 08:43:16,755 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 08:43:17,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:17,050 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2022-04-15 08:43:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 08:43:17,050 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 08:43:17,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:43:17,051 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 08:43:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 08:43:17,053 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 08:43:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2022-04-15 08:43:17,055 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2022-04-15 08:43:17,121 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 08:43:17,123 INFO L225 Difference]: With dead ends: 52 [2022-04-15 08:43:17,123 INFO L226 Difference]: Without dead ends: 44 [2022-04-15 08:43:17,123 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 08:43:17,124 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 08:43:17,125 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 08:43:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-15 08:43:17,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-04-15 08:43:17,150 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:43:17,150 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 08:43:17,152 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 08:43:17,153 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 08:43:17,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:17,160 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 08:43:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 08:43:17,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:17,161 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:17,161 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 08:43:17,161 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 08:43:17,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:17,168 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2022-04-15 08:43:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-04-15 08:43:17,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:17,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:17,169 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:43:17,169 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:43:17,170 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 08:43:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2022-04-15 08:43:17,171 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 44 [2022-04-15 08:43:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:43:17,171 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2022-04-15 08:43:17,172 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 08:43:17,172 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 48 transitions. [2022-04-15 08:43:17,214 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 08:43:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-04-15 08:43:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-15 08:43:17,217 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:17,220 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 08:43:17,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-15 08:43:17,436 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 08:43:17,436 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:17,437 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 1 times [2022-04-15 08:43:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:17,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1808881682] [2022-04-15 08:43:17,437 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:17,437 INFO L85 PathProgramCache]: Analyzing trace with hash 561616070, now seen corresponding path program 2 times [2022-04-15 08:43:17,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:17,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472081058] [2022-04-15 08:43:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:17,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:17,457 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:43:17,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469985973] [2022-04-15 08:43:17,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:43:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:43:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:17,463 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 08:43:17,464 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 08:43:17,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-15 08:43:17,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:43:17,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-15 08:43:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:17,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:43:17,672 INFO L272 TraceCheckUtils]: 0: Hoare triple {901#true} call ULTIMATE.init(); {901#true} is VALID [2022-04-15 08:43:17,672 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 08:43:17,673 INFO L290 TraceCheckUtils]: 2: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,673 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {901#true} {901#true} #103#return; {901#true} is VALID [2022-04-15 08:43:17,673 INFO L272 TraceCheckUtils]: 4: Hoare triple {901#true} call #t~ret6 := main(); {901#true} is VALID [2022-04-15 08:43:17,673 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 08:43:17,673 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 08:43:17,673 INFO L290 TraceCheckUtils]: 7: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,673 INFO L290 TraceCheckUtils]: 8: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,674 INFO L290 TraceCheckUtils]: 9: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,674 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {901#true} {901#true} #79#return; {901#true} is VALID [2022-04-15 08:43:17,674 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 08:43:17,674 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 08:43:17,674 INFO L290 TraceCheckUtils]: 13: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,674 INFO L290 TraceCheckUtils]: 14: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,674 INFO L290 TraceCheckUtils]: 15: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,674 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {901#true} {901#true} #81#return; {901#true} is VALID [2022-04-15 08:43:17,675 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 08:43:17,675 INFO L290 TraceCheckUtils]: 18: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,675 INFO L290 TraceCheckUtils]: 19: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,675 INFO L290 TraceCheckUtils]: 20: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,675 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {901#true} {901#true} #83#return; {901#true} is VALID [2022-04-15 08:43:17,675 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 08:43:17,675 INFO L290 TraceCheckUtils]: 23: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,676 INFO L290 TraceCheckUtils]: 24: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,676 INFO L290 TraceCheckUtils]: 25: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,676 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {901#true} {901#true} #85#return; {901#true} is VALID [2022-04-15 08:43:17,676 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 08:43:17,676 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 08:43:17,676 INFO L290 TraceCheckUtils]: 29: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,676 INFO L290 TraceCheckUtils]: 30: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,676 INFO L290 TraceCheckUtils]: 31: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,677 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {901#true} {901#true} #87#return; {901#true} is VALID [2022-04-15 08:43:17,677 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 08:43:17,677 INFO L290 TraceCheckUtils]: 34: Hoare triple {901#true} ~cond := #in~cond; {901#true} is VALID [2022-04-15 08:43:17,677 INFO L290 TraceCheckUtils]: 35: Hoare triple {901#true} assume !(0 == ~cond); {901#true} is VALID [2022-04-15 08:43:17,677 INFO L290 TraceCheckUtils]: 36: Hoare triple {901#true} assume true; {901#true} is VALID [2022-04-15 08:43:17,677 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {901#true} {901#true} #89#return; {901#true} is VALID [2022-04-15 08:43:17,677 INFO L290 TraceCheckUtils]: 38: Hoare triple {901#true} assume !false; {901#true} is VALID [2022-04-15 08:43:17,678 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 08:43:17,678 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 08:43:17,679 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 08:43:17,680 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 08:43:17,680 INFO L290 TraceCheckUtils]: 43: Hoare triple {1034#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {902#false} is VALID [2022-04-15 08:43:17,680 INFO L290 TraceCheckUtils]: 44: Hoare triple {902#false} assume !false; {902#false} is VALID [2022-04-15 08:43:17,681 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 08:43:17,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 08:43:17,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:43:17,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472081058] [2022-04-15 08:43:17,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:43:17,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469985973] [2022-04-15 08:43:17,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469985973] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:17,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:17,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:17,682 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:43:17,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1808881682] [2022-04-15 08:43:17,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1808881682] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:17,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:17,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:17,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204774176] [2022-04-15 08:43:17,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:43:17,683 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 08:43:17,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:43:17,683 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 08:43:17,715 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 08:43:17,715 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 08:43:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:17,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 08:43:17,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 08:43:17,716 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 08:43:17,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:17,923 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-15 08:43:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 08:43:17,924 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 08:43:17,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:43:17,924 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 08:43:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 08:43:17,925 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 08:43:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 63 transitions. [2022-04-15 08:43:17,926 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 63 transitions. [2022-04-15 08:43:17,973 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 08:43:17,974 INFO L225 Difference]: With dead ends: 50 [2022-04-15 08:43:17,974 INFO L226 Difference]: Without dead ends: 48 [2022-04-15 08:43:17,975 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 08:43:17,976 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 08:43:17,976 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 08:43:17,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-15 08:43:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2022-04-15 08:43:17,999 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:43:17,999 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 08:43:17,999 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 08:43:17,999 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 08:43:18,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:18,001 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 08:43:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 08:43:18,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:18,002 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:18,002 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 08:43:18,002 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 08:43:18,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:18,004 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-04-15 08:43:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-04-15 08:43:18,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:18,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:18,004 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:43:18,004 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:43:18,005 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 08:43:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-04-15 08:43:18,006 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 45 [2022-04-15 08:43:18,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:43:18,006 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-04-15 08:43:18,006 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 08:43:18,006 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 54 transitions. [2022-04-15 08:43:18,050 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 08:43:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-15 08:43:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-15 08:43:18,051 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:18,051 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 08:43:18,073 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 08:43:18,267 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 08:43:18,267 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:18,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:18,268 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 1 times [2022-04-15 08:43:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:18,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [151440322] [2022-04-15 08:43:18,268 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:18,268 INFO L85 PathProgramCache]: Analyzing trace with hash -680064098, now seen corresponding path program 2 times [2022-04-15 08:43:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:18,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872183357] [2022-04-15 08:43:18,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:18,286 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:43:18,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260282595] [2022-04-15 08:43:18,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:43:18,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:43:18,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:18,288 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 08:43:18,289 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 08:43:18,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:43:18,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:43:18,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 08:43:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:18,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:43:18,531 INFO L272 TraceCheckUtils]: 0: Hoare triple {1324#true} call ULTIMATE.init(); {1324#true} is VALID [2022-04-15 08:43:18,531 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 08:43:18,531 INFO L290 TraceCheckUtils]: 2: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,532 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1324#true} {1324#true} #103#return; {1324#true} is VALID [2022-04-15 08:43:18,532 INFO L272 TraceCheckUtils]: 4: Hoare triple {1324#true} call #t~ret6 := main(); {1324#true} is VALID [2022-04-15 08:43:18,532 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 08:43:18,532 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 08:43:18,532 INFO L290 TraceCheckUtils]: 7: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,532 INFO L290 TraceCheckUtils]: 8: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,532 INFO L290 TraceCheckUtils]: 9: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,532 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1324#true} {1324#true} #79#return; {1324#true} is VALID [2022-04-15 08:43:18,532 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 08:43:18,533 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 08:43:18,533 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1324#true} {1324#true} #81#return; {1324#true} is VALID [2022-04-15 08:43:18,533 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 08:43:18,533 INFO L290 TraceCheckUtils]: 18: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L290 TraceCheckUtils]: 19: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L290 TraceCheckUtils]: 20: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,533 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1324#true} {1324#true} #83#return; {1324#true} is VALID [2022-04-15 08:43:18,534 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 08:43:18,534 INFO L290 TraceCheckUtils]: 23: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,534 INFO L290 TraceCheckUtils]: 24: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,534 INFO L290 TraceCheckUtils]: 25: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,534 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1324#true} {1324#true} #85#return; {1324#true} is VALID [2022-04-15 08:43:18,539 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 08:43:18,540 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 08:43:18,540 INFO L290 TraceCheckUtils]: 29: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,540 INFO L290 TraceCheckUtils]: 30: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,540 INFO L290 TraceCheckUtils]: 31: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,541 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 08:43:18,541 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 08:43:18,541 INFO L290 TraceCheckUtils]: 34: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,541 INFO L290 TraceCheckUtils]: 35: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,541 INFO L290 TraceCheckUtils]: 36: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,542 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 08:43:18,542 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 08:43:18,547 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 08:43:18,547 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 08:43:18,548 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 08:43:18,549 INFO L290 TraceCheckUtils]: 42: Hoare triple {1324#true} ~cond := #in~cond; {1324#true} is VALID [2022-04-15 08:43:18,551 INFO L290 TraceCheckUtils]: 43: Hoare triple {1324#true} assume !(0 == ~cond); {1324#true} is VALID [2022-04-15 08:43:18,554 INFO L290 TraceCheckUtils]: 44: Hoare triple {1324#true} assume true; {1324#true} is VALID [2022-04-15 08:43:18,555 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 08:43:18,555 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 08:43:18,556 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 08:43:18,556 INFO L290 TraceCheckUtils]: 48: Hoare triple {1472#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1325#false} is VALID [2022-04-15 08:43:18,557 INFO L290 TraceCheckUtils]: 49: Hoare triple {1325#false} assume !false; {1325#false} is VALID [2022-04-15 08:43:18,558 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 08:43:18,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 08:43:18,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:43:18,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872183357] [2022-04-15 08:43:18,558 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:43:18,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260282595] [2022-04-15 08:43:18,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260282595] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:18,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:18,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:18,560 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:43:18,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [151440322] [2022-04-15 08:43:18,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [151440322] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:18,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:18,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:18,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955502597] [2022-04-15 08:43:18,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:43:18,562 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 08:43:18,563 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:43:18,563 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 08:43:18,584 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 08:43:18,585 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 08:43:18,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 08:43:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 08:43:18,587 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 08:43:18,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:18,761 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-15 08:43:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 08:43:18,762 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 08:43:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:43:18,762 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 08:43:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 08:43:18,763 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 08:43:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 08:43:18,765 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 08:43:18,833 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 08:43:18,835 INFO L225 Difference]: With dead ends: 58 [2022-04-15 08:43:18,835 INFO L226 Difference]: Without dead ends: 56 [2022-04-15 08:43:18,835 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 08:43:18,836 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 08:43:18,836 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 08:43:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-15 08:43:18,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-15 08:43:18,866 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:43:18,866 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 08:43:18,866 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 08:43:18,866 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 08:43:18,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:18,869 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 08:43:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 08:43:18,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:18,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:18,869 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 08:43:18,870 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 08:43:18,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:18,871 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-15 08:43:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-04-15 08:43:18,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:18,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:18,872 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:43:18,872 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:43:18,872 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 08:43:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2022-04-15 08:43:18,874 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 50 [2022-04-15 08:43:18,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:43:18,874 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2022-04-15 08:43:18,874 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 08:43:18,874 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 71 transitions. [2022-04-15 08:43:18,937 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 08:43:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-04-15 08:43:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-15 08:43:18,938 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:18,938 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 08:43:18,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-15 08:43:19,138 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 08:43:19,138 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:19,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 1 times [2022-04-15 08:43:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:19,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [693898299] [2022-04-15 08:43:19,139 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 606548870, now seen corresponding path program 2 times [2022-04-15 08:43:19,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:19,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677521323] [2022-04-15 08:43:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:19,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:43:19,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770898469] [2022-04-15 08:43:19,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:43:19,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:43:19,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:19,168 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 08:43:19,169 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 08:43:19,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:43:19,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:43:19,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 08:43:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:19,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:43:19,406 INFO L272 TraceCheckUtils]: 0: Hoare triple {1818#true} call ULTIMATE.init(); {1818#true} is VALID [2022-04-15 08:43:19,406 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 08:43:19,406 INFO L290 TraceCheckUtils]: 2: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,406 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1818#true} {1818#true} #103#return; {1818#true} is VALID [2022-04-15 08:43:19,406 INFO L272 TraceCheckUtils]: 4: Hoare triple {1818#true} call #t~ret6 := main(); {1818#true} is VALID [2022-04-15 08:43:19,406 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 08:43:19,406 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 08:43:19,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L290 TraceCheckUtils]: 9: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1818#true} {1818#true} #79#return; {1818#true} is VALID [2022-04-15 08:43:19,407 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 08:43:19,407 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 08:43:19,407 INFO L290 TraceCheckUtils]: 13: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L290 TraceCheckUtils]: 14: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L290 TraceCheckUtils]: 15: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,407 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {1818#true} {1818#true} #81#return; {1818#true} is VALID [2022-04-15 08:43:19,407 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 08:43:19,407 INFO L290 TraceCheckUtils]: 18: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L290 TraceCheckUtils]: 19: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L290 TraceCheckUtils]: 20: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1818#true} {1818#true} #83#return; {1818#true} is VALID [2022-04-15 08:43:19,408 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 08:43:19,408 INFO L290 TraceCheckUtils]: 23: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L290 TraceCheckUtils]: 24: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L290 TraceCheckUtils]: 25: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,408 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1818#true} {1818#true} #85#return; {1818#true} is VALID [2022-04-15 08:43:19,409 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 08:43:19,409 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 08:43:19,409 INFO L290 TraceCheckUtils]: 29: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,409 INFO L290 TraceCheckUtils]: 30: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,409 INFO L290 TraceCheckUtils]: 31: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,410 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 08:43:19,410 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 08:43:19,410 INFO L290 TraceCheckUtils]: 34: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,410 INFO L290 TraceCheckUtils]: 35: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,410 INFO L290 TraceCheckUtils]: 36: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,411 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 08:43:19,412 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 08:43:19,412 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 08:43:19,413 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 08:43:19,413 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 08:43:19,413 INFO L290 TraceCheckUtils]: 42: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,413 INFO L290 TraceCheckUtils]: 43: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,413 INFO L290 TraceCheckUtils]: 44: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,414 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 08:43:19,414 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 08:43:19,414 INFO L290 TraceCheckUtils]: 47: Hoare triple {1818#true} ~cond := #in~cond; {1818#true} is VALID [2022-04-15 08:43:19,414 INFO L290 TraceCheckUtils]: 48: Hoare triple {1818#true} assume !(0 == ~cond); {1818#true} is VALID [2022-04-15 08:43:19,414 INFO L290 TraceCheckUtils]: 49: Hoare triple {1818#true} assume true; {1818#true} is VALID [2022-04-15 08:43:19,414 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 08:43:19,415 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 08:43:19,415 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 08:43:19,416 INFO L290 TraceCheckUtils]: 53: Hoare triple {1981#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {1819#false} is VALID [2022-04-15 08:43:19,416 INFO L290 TraceCheckUtils]: 54: Hoare triple {1819#false} assume !false; {1819#false} is VALID [2022-04-15 08:43:19,416 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 08:43:19,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 08:43:19,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:43:19,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677521323] [2022-04-15 08:43:19,416 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:43:19,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770898469] [2022-04-15 08:43:19,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770898469] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:19,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:19,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:19,417 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:43:19,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [693898299] [2022-04-15 08:43:19,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [693898299] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:43:19,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:43:19,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:43:19,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115260771] [2022-04-15 08:43:19,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:43:19,418 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 08:43:19,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:43:19,418 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 08:43:19,442 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 08:43:19,442 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 08:43:19,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:19,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 08:43:19,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 08:43:19,443 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 08:43:19,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:19,636 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-04-15 08:43:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 08:43:19,636 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 08:43:19,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:43:19,636 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 08:43:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 08:43:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 08:43:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-15 08:43:19,638 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-15 08:43:19,680 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 08:43:19,681 INFO L225 Difference]: With dead ends: 62 [2022-04-15 08:43:19,681 INFO L226 Difference]: Without dead ends: 60 [2022-04-15 08:43:19,682 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 08:43:19,682 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 08:43:19,682 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 08:43:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-15 08:43:19,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-15 08:43:19,712 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:43:19,713 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 08:43:19,713 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 08:43:19,713 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 08:43:19,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:19,715 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 08:43:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 08:43:19,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:19,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:19,715 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 08:43:19,716 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 08:43:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:43:19,717 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-04-15 08:43:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-04-15 08:43:19,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:43:19,718 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:43:19,718 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:43:19,718 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:43:19,718 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 08:43:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-04-15 08:43:19,720 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 55 [2022-04-15 08:43:19,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:43:19,720 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-04-15 08:43:19,720 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 08:43:19,720 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 74 transitions. [2022-04-15 08:43:19,787 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 08:43:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-04-15 08:43:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-15 08:43:19,788 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:43:19,788 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 08:43:19,806 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 08:43:20,004 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 08:43:20,004 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:43:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:43:20,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 1 times [2022-04-15 08:43:20,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:43:20,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1923875315] [2022-04-15 08:43:20,005 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:43:20,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1584976990, now seen corresponding path program 2 times [2022-04-15 08:43:20,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:43:20,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021611753] [2022-04-15 08:43:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:43:20,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:43:20,017 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:43:20,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097239432] [2022-04-15 08:43:20,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:43:20,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:43:20,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:43:20,018 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 08:43:20,019 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 08:43:20,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:43:20,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:43:20,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-15 08:43:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:43:20,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:43:20,334 INFO L272 TraceCheckUtils]: 0: Hoare triple {2351#true} call ULTIMATE.init(); {2351#true} is VALID [2022-04-15 08:43:20,334 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 08:43:20,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,334 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2351#true} {2351#true} #103#return; {2351#true} is VALID [2022-04-15 08:43:20,335 INFO L272 TraceCheckUtils]: 4: Hoare triple {2351#true} call #t~ret6 := main(); {2351#true} is VALID [2022-04-15 08:43:20,335 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 08:43:20,335 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 08:43:20,335 INFO L290 TraceCheckUtils]: 7: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,335 INFO L290 TraceCheckUtils]: 8: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,335 INFO L290 TraceCheckUtils]: 9: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,335 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2351#true} {2351#true} #79#return; {2351#true} is VALID [2022-04-15 08:43:20,335 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 08:43:20,335 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 08:43:20,335 INFO L290 TraceCheckUtils]: 13: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,335 INFO L290 TraceCheckUtils]: 14: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L290 TraceCheckUtils]: 15: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2351#true} {2351#true} #81#return; {2351#true} is VALID [2022-04-15 08:43:20,336 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 08:43:20,336 INFO L290 TraceCheckUtils]: 18: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L290 TraceCheckUtils]: 19: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L290 TraceCheckUtils]: 20: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2351#true} {2351#true} #83#return; {2351#true} is VALID [2022-04-15 08:43:20,336 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 08:43:20,336 INFO L290 TraceCheckUtils]: 23: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L290 TraceCheckUtils]: 24: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L290 TraceCheckUtils]: 25: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,336 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2351#true} {2351#true} #85#return; {2351#true} is VALID [2022-04-15 08:43:20,339 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 08:43:20,339 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 08:43:20,339 INFO L290 TraceCheckUtils]: 29: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,339 INFO L290 TraceCheckUtils]: 30: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,339 INFO L290 TraceCheckUtils]: 31: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,340 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 08:43:20,340 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 08:43:20,340 INFO L290 TraceCheckUtils]: 34: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,340 INFO L290 TraceCheckUtils]: 35: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,340 INFO L290 TraceCheckUtils]: 36: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,341 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 08:43:20,341 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 08:43:20,341 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 08:43:20,342 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 08:43:20,342 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 08:43:20,342 INFO L290 TraceCheckUtils]: 42: Hoare triple {2351#true} ~cond := #in~cond; {2351#true} is VALID [2022-04-15 08:43:20,342 INFO L290 TraceCheckUtils]: 43: Hoare triple {2351#true} assume !(0 == ~cond); {2351#true} is VALID [2022-04-15 08:43:20,342 INFO L290 TraceCheckUtils]: 44: Hoare triple {2351#true} assume true; {2351#true} is VALID [2022-04-15 08:43:20,343 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 08:43:20,343 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 08:43:20,343 INFO L290 TraceCheckUtils]: 47: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:43:20,343 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 08:43:20,344 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 08:43:20,344 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 08:43:20,344 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 08:43:20,345 INFO L290 TraceCheckUtils]: 52: Hoare triple {2351#true} ~cond := #in~cond; {2498#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:43:20,345 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 08:43:20,345 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 08:43:20,346 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 08:43:20,347 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 08:43:20,347 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 08:43:20,347 INFO L290 TraceCheckUtils]: 58: Hoare triple {2531#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2352#false} is VALID [2022-04-15 08:43:20,347 INFO L290 TraceCheckUtils]: 59: Hoare triple {2352#false} assume !false; {2352#false} is VALID [2022-04-15 08:43:20,348 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 08:43:20,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:44:07,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:44:07,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021611753] [2022-04-15 08:44:07,635 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:44:07,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097239432] [2022-04-15 08:44:07,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097239432] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 08:44:07,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 08:44:07,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-15 08:44:07,636 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:44:07,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1923875315] [2022-04-15 08:44:07,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1923875315] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:44:07,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:44:07,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 08:44:07,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018226030] [2022-04-15 08:44:07,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:44:07,637 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 08:44:07,637 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:44:07,637 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 08:44:07,682 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 08:44:07,682 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 08:44:07,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:07,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 08:44:07,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 08:44:07,683 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 08:44:08,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:08,087 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2022-04-15 08:44:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 08:44:08,087 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 08:44:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:44:08,088 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 08:44:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 08:44:08,089 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 08:44:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-04-15 08:44:08,100 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-04-15 08:44:08,154 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 08:44:08,155 INFO L225 Difference]: With dead ends: 66 [2022-04-15 08:44:08,155 INFO L226 Difference]: Without dead ends: 64 [2022-04-15 08:44:08,156 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 08:44:08,156 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 08:44:08,156 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 08:44:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-15 08:44:08,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-15 08:44:08,200 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:44:08,200 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 08:44:08,201 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 08:44:08,201 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 08:44:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:08,203 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 08:44:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 08:44:08,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:08,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:08,204 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 08:44:08,204 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 08:44:08,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:08,206 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2022-04-15 08:44:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-04-15 08:44:08,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:08,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:08,206 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:44:08,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:44:08,206 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 08:44:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-15 08:44:08,209 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 60 [2022-04-15 08:44:08,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:44:08,209 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-04-15 08:44:08,209 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 08:44:08,209 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-15 08:44:08,286 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 08:44:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-04-15 08:44:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-15 08:44:08,286 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:44:08,287 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 08:44:08,302 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 08:44:08,491 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 08:44:08,491 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:44:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:44:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 1 times [2022-04-15 08:44:08,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:08,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1989922004] [2022-04-15 08:44:08,492 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:44:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash -669670075, now seen corresponding path program 2 times [2022-04-15 08:44:08,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:44:08,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810444025] [2022-04-15 08:44:08,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:44:08,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:44:08,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:44:08,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366825625] [2022-04-15 08:44:08,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:44:08,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:44:08,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:44:08,517 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 08:44:08,518 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 08:44:08,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:44:08,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:44:08,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-15 08:44:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:44:08,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:44:08,776 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 08:44:08,776 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 08:44:08,777 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,777 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 08:44:08,778 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 08:44:08,780 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 08:44:08,781 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 08:44:08,781 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,781 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,781 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,781 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 08:44:08,781 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 08:44:08,781 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 08:44:08,781 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,781 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,783 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 08:44:08,784 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 08:44:08,784 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 08:44:08,784 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 08:44:08,784 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,784 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 08:44:08,784 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 08:44:08,785 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 08:44:08,785 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 08:44:08,785 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 08:44:08,785 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 08:44:08,785 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 08:44:08,786 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 08:44:08,786 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 08:44:08,786 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 08:44:08,786 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,786 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,786 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,787 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 08:44:08,787 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 08:44:08,787 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,787 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,787 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,788 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 08:44:08,788 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 08:44:08,788 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,788 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,788 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,789 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 08:44:08,789 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 08:44:08,789 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:08,789 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:08,789 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:08,789 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 08:44:08,790 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 08:44:08,790 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 08:44:08,791 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 08:44:08,791 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 08:44:08,792 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 08:44:08,792 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 08:44:08,794 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 08:44:08,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:44:09,008 INFO L290 TraceCheckUtils]: 66: Hoare triple {2945#false} assume !false; {2945#false} is VALID [2022-04-15 08:44:09,010 INFO L290 TraceCheckUtils]: 65: Hoare triple {3144#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {2945#false} is VALID [2022-04-15 08:44:09,010 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 08:44:09,011 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 08:44:09,011 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 08:44:09,012 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 08:44:09,013 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 08:44:09,013 INFO L290 TraceCheckUtils]: 59: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,013 INFO L290 TraceCheckUtils]: 58: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,013 INFO L290 TraceCheckUtils]: 57: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,013 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 08:44:09,014 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 08:44:09,014 INFO L290 TraceCheckUtils]: 54: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,014 INFO L290 TraceCheckUtils]: 53: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,014 INFO L290 TraceCheckUtils]: 52: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,014 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 08:44:09,015 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 08:44:09,015 INFO L290 TraceCheckUtils]: 49: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,015 INFO L290 TraceCheckUtils]: 48: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,015 INFO L290 TraceCheckUtils]: 47: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,015 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 08:44:09,018 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 08:44:09,018 INFO L290 TraceCheckUtils]: 44: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,019 INFO L290 TraceCheckUtils]: 43: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,019 INFO L290 TraceCheckUtils]: 42: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,019 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 08:44:09,020 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 08:44:09,020 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 08:44:09,021 INFO L290 TraceCheckUtils]: 38: Hoare triple {2944#true} assume !false; {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2944#true} {2944#true} #89#return; {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 36: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 35: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 34: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,021 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 08:44:09,021 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {2944#true} {2944#true} #87#return; {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 31: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 30: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,021 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,021 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 08:44:09,021 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 08:44:09,021 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2944#true} {2944#true} #85#return; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 25: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 24: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 23: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,022 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 08:44:09,022 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {2944#true} {2944#true} #83#return; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 20: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 19: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 18: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,022 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 08:44:09,022 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {2944#true} {2944#true} #81#return; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 15: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 14: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,022 INFO L290 TraceCheckUtils]: 13: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,022 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 08:44:09,023 INFO L290 TraceCheckUtils]: 11: Hoare triple {2944#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2944#true} {2944#true} #79#return; {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L290 TraceCheckUtils]: 9: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L290 TraceCheckUtils]: 8: Hoare triple {2944#true} assume !(0 == ~cond); {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L290 TraceCheckUtils]: 7: Hoare triple {2944#true} ~cond := #in~cond; {2944#true} is VALID [2022-04-15 08:44:09,023 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 08:44:09,023 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 08:44:09,023 INFO L272 TraceCheckUtils]: 4: Hoare triple {2944#true} call #t~ret6 := main(); {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2944#true} {2944#true} #103#return; {2944#true} is VALID [2022-04-15 08:44:09,023 INFO L290 TraceCheckUtils]: 2: Hoare triple {2944#true} assume true; {2944#true} is VALID [2022-04-15 08:44:09,023 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 08:44:09,023 INFO L272 TraceCheckUtils]: 0: Hoare triple {2944#true} call ULTIMATE.init(); {2944#true} is VALID [2022-04-15 08:44:09,024 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 08:44:09,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:44:09,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810444025] [2022-04-15 08:44:09,024 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:44:09,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366825625] [2022-04-15 08:44:09,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366825625] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-15 08:44:09,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-15 08:44:09,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-15 08:44:09,024 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:44:09,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1989922004] [2022-04-15 08:44:09,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1989922004] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:44:09,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:44:09,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:44:09,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415462138] [2022-04-15 08:44:09,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:44:09,025 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 08:44:09,025 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:44:09,025 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 08:44:09,053 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 08:44:09,053 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 08:44:09,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:09,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 08:44:09,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 08:44:09,054 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 08:44:09,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:09,262 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2022-04-15 08:44:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 08:44:09,262 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 08:44:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:44:09,262 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 08:44:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 08:44:09,263 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 08:44:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-15 08:44:09,269 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-15 08:44:09,308 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 08:44:09,309 INFO L225 Difference]: With dead ends: 69 [2022-04-15 08:44:09,309 INFO L226 Difference]: Without dead ends: 67 [2022-04-15 08:44:09,310 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 08:44:09,311 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 08:44:09,311 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 08:44:09,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-15 08:44:09,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2022-04-15 08:44:09,348 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:44:09,348 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 08:44:09,349 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 08:44:09,349 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 08:44:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:09,351 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 08:44:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 08:44:09,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:09,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:09,351 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 08:44:09,351 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 08:44:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:09,353 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-04-15 08:44:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-04-15 08:44:09,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:09,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:09,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:44:09,353 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:44:09,354 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 08:44:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-04-15 08:44:09,355 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 67 [2022-04-15 08:44:09,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:44:09,355 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-04-15 08:44:09,355 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 08:44:09,355 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 71 transitions. [2022-04-15 08:44:09,435 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 08:44:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-04-15 08:44:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-15 08:44:09,435 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:44:09,436 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 08:44:09,458 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 08:44:09,636 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 08:44:09,636 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:44:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:44:09,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 1 times [2022-04-15 08:44:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:09,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1858357500] [2022-04-15 08:44:09,637 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:44:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1682830289, now seen corresponding path program 2 times [2022-04-15 08:44:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:44:09,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150512600] [2022-04-15 08:44:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:44:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:44:09,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:44:09,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401291795] [2022-04-15 08:44:09,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:44:09,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:44:09,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:44:09,650 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 08:44:09,651 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 08:44:09,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:44:09,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:44:09,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-15 08:44:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:44:09,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:44:09,918 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 08:44:09,918 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 08:44:09,918 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,918 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 08:44:09,918 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 08:44:09,918 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 08:44:09,919 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 08:44:09,919 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 08:44:09,919 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 08:44:09,919 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 08:44:09,919 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,919 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 08:44:09,919 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 08:44:09,920 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 08:44:09,921 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 08:44:09,921 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 08:44:09,921 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 08:44:09,921 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 08:44:09,921 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,922 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,922 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,922 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 08:44:09,922 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 08:44:09,923 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 08:44:09,923 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,923 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,923 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,923 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 08:44:09,923 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 08:44:09,923 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,923 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,924 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,924 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 08:44:09,924 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 08:44:09,924 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 08:44:09,925 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 08:44:09,925 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 08:44:09,925 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,925 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,925 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,925 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 08:44:09,926 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 08:44:09,926 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,926 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,926 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,926 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 08:44:09,926 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 08:44:09,926 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,926 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,927 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,927 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 08:44:09,927 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 08:44:09,927 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:09,927 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:09,927 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:09,928 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 08:44:09,928 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 08:44:09,929 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 08:44:09,929 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 08:44:09,929 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 08:44:09,929 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 08:44:09,929 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 08:44:09,929 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 08:44:09,929 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 08:44:09,930 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 08:44:09,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:44:10,228 INFO L290 TraceCheckUtils]: 68: Hoare triple {3745#false} assume !false; {3745#false} is VALID [2022-04-15 08:44:10,228 INFO L290 TraceCheckUtils]: 67: Hoare triple {3745#false} assume 0 == ~cond; {3745#false} is VALID [2022-04-15 08:44:10,228 INFO L290 TraceCheckUtils]: 66: Hoare triple {3745#false} ~cond := #in~cond; {3745#false} is VALID [2022-04-15 08:44:10,228 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 08:44:10,229 INFO L290 TraceCheckUtils]: 64: Hoare triple {3940#(<= 1 main_~b~0)} assume !(0 != ~b~0); {3745#false} is VALID [2022-04-15 08:44:10,229 INFO L290 TraceCheckUtils]: 63: Hoare triple {3940#(<= 1 main_~b~0)} assume !false; {3940#(<= 1 main_~b~0)} is VALID [2022-04-15 08:44:10,229 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 08:44:10,230 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 08:44:10,230 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 08:44:10,230 INFO L290 TraceCheckUtils]: 59: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,230 INFO L290 TraceCheckUtils]: 58: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,230 INFO L290 TraceCheckUtils]: 57: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,231 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 08:44:10,231 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 08:44:10,231 INFO L290 TraceCheckUtils]: 54: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,231 INFO L290 TraceCheckUtils]: 53: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,231 INFO L290 TraceCheckUtils]: 52: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,231 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 08:44:10,232 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 08:44:10,232 INFO L290 TraceCheckUtils]: 49: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,232 INFO L290 TraceCheckUtils]: 48: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,232 INFO L290 TraceCheckUtils]: 47: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,232 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 08:44:10,233 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 08:44:10,233 INFO L290 TraceCheckUtils]: 44: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,233 INFO L290 TraceCheckUtils]: 43: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,233 INFO L290 TraceCheckUtils]: 42: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,233 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 08:44:10,234 INFO L290 TraceCheckUtils]: 40: Hoare triple {3870#(<= 1 main_~c~0)} assume !false; {3870#(<= 1 main_~c~0)} is VALID [2022-04-15 08:44:10,234 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 08:44:10,234 INFO L290 TraceCheckUtils]: 38: Hoare triple {3833#(<= 1 main_~a~0)} assume !false; {3833#(<= 1 main_~a~0)} is VALID [2022-04-15 08:44:10,235 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 08:44:10,235 INFO L290 TraceCheckUtils]: 36: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,235 INFO L290 TraceCheckUtils]: 35: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,235 INFO L290 TraceCheckUtils]: 34: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,235 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 08:44:10,235 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 08:44:10,235 INFO L290 TraceCheckUtils]: 31: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,236 INFO L290 TraceCheckUtils]: 30: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,236 INFO L290 TraceCheckUtils]: 29: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,236 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 08:44:10,236 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 08:44:10,236 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 08:44:10,237 INFO L290 TraceCheckUtils]: 25: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,237 INFO L290 TraceCheckUtils]: 24: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,237 INFO L290 TraceCheckUtils]: 23: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,237 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 08:44:10,237 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 08:44:10,238 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 08:44:10,238 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 08:44:10,239 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 08:44:10,239 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 08:44:10,239 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {3744#true} {3744#true} #81#return; {3744#true} is VALID [2022-04-15 08:44:10,239 INFO L290 TraceCheckUtils]: 15: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,239 INFO L290 TraceCheckUtils]: 14: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,239 INFO L290 TraceCheckUtils]: 13: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,239 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 08:44:10,240 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 08:44:10,240 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3744#true} {3744#true} #79#return; {3744#true} is VALID [2022-04-15 08:44:10,240 INFO L290 TraceCheckUtils]: 9: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,240 INFO L290 TraceCheckUtils]: 8: Hoare triple {3744#true} assume !(0 == ~cond); {3744#true} is VALID [2022-04-15 08:44:10,240 INFO L290 TraceCheckUtils]: 7: Hoare triple {3744#true} ~cond := #in~cond; {3744#true} is VALID [2022-04-15 08:44:10,240 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 08:44:10,240 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 08:44:10,240 INFO L272 TraceCheckUtils]: 4: Hoare triple {3744#true} call #t~ret6 := main(); {3744#true} is VALID [2022-04-15 08:44:10,240 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3744#true} {3744#true} #103#return; {3744#true} is VALID [2022-04-15 08:44:10,240 INFO L290 TraceCheckUtils]: 2: Hoare triple {3744#true} assume true; {3744#true} is VALID [2022-04-15 08:44:10,240 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 08:44:10,240 INFO L272 TraceCheckUtils]: 0: Hoare triple {3744#true} call ULTIMATE.init(); {3744#true} is VALID [2022-04-15 08:44:10,241 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 08:44:10,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:44:10,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150512600] [2022-04-15 08:44:10,241 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:44:10,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401291795] [2022-04-15 08:44:10,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401291795] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:44:10,241 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:44:10,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 08:44:10,241 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:44:10,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1858357500] [2022-04-15 08:44:10,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1858357500] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:44:10,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:44:10,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 08:44:10,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335037218] [2022-04-15 08:44:10,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:44:10,242 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 08:44:10,242 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:44:10,242 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 08:44:10,280 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 08:44:10,280 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 08:44:10,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:10,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 08:44:10,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-15 08:44:10,280 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 08:44:10,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:10,959 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2022-04-15 08:44:10,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 08:44:10,959 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 08:44:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:44:10,960 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 08:44:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 08:44:10,962 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 08:44:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-04-15 08:44:10,965 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-04-15 08:44:11,045 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 08:44:11,047 INFO L225 Difference]: With dead ends: 106 [2022-04-15 08:44:11,047 INFO L226 Difference]: Without dead ends: 98 [2022-04-15 08:44:11,048 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 08:44:11,048 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 08:44:11,048 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 08:44:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-15 08:44:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89. [2022-04-15 08:44:11,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:44:11,166 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 08:44:11,167 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 08:44:11,167 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 08:44:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:11,170 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 08:44:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 08:44:11,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:11,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:11,171 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 08:44:11,171 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 08:44:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:11,174 INFO L93 Difference]: Finished difference Result 98 states and 137 transitions. [2022-04-15 08:44:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2022-04-15 08:44:11,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:11,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:11,175 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:44:11,175 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:44:11,175 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 08:44:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions. [2022-04-15 08:44:11,178 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 69 [2022-04-15 08:44:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:44:11,178 INFO L478 AbstractCegarLoop]: Abstraction has 89 states and 122 transitions. [2022-04-15 08:44:11,178 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 08:44:11,178 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 89 states and 122 transitions. [2022-04-15 08:44:11,329 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 08:44:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2022-04-15 08:44:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-15 08:44:11,330 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:44:11,330 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 08:44:11,346 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 08:44:11,530 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 08:44:11,531 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:44:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:44:11,531 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 1 times [2022-04-15 08:44:11,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:11,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1098559516] [2022-04-15 08:44:11,532 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:44:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash 376741854, now seen corresponding path program 2 times [2022-04-15 08:44:11,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:44:11,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107356026] [2022-04-15 08:44:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:44:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:44:11,549 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:44:11,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603433900] [2022-04-15 08:44:11,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:44:11,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:44:11,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:44:11,550 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 08:44:11,551 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 08:44:11,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:44:11,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:44:11,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-15 08:44:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:44:11,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:44:11,856 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 08:44:11,857 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 08:44:11,857 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,857 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 08:44:11,857 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 08:44:11,857 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 08:44:11,857 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 08:44:11,857 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,857 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,857 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,857 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 08:44:11,857 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 08:44:11,858 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 08:44:11,858 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 08:44:11,858 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 08:44:11,858 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 08:44:11,858 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 08:44:11,858 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,858 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,859 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 08:44:11,869 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 08:44:11,870 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 08:44:11,870 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,870 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,870 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,870 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 08:44:11,870 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 08:44:11,871 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,871 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,871 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,871 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 08:44:11,872 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 08:44:11,872 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 08:44:11,872 INFO L290 TraceCheckUtils]: 40: Hoare triple {4885#(= main_~q~0 0)} assume !false; {4885#(= main_~q~0 0)} is VALID [2022-04-15 08:44:11,872 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 08:44:11,872 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,872 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,872 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,873 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 08:44:11,873 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 08:44:11,873 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,873 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,873 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,874 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 08:44:11,874 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 08:44:11,874 INFO L290 TraceCheckUtils]: 52: Hoare triple {4762#true} ~cond := #in~cond; {4925#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:44:11,874 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 08:44:11,875 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 08:44:11,875 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 08:44:11,875 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 08:44:11,875 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,875 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,876 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,876 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 08:44:11,876 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 08:44:11,877 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 08:44:11,877 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 08:44:11,878 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 08:44:11,878 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 08:44:11,878 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 08:44:11,878 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:11,878 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:11,878 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:11,879 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 08:44:11,880 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 08:44:11,887 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 08:44:11,887 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 08:44:11,888 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 08:44:11,888 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 08:44:11,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:44:24,574 INFO L290 TraceCheckUtils]: 74: Hoare triple {4763#false} assume !false; {4763#false} is VALID [2022-04-15 08:44:24,575 INFO L290 TraceCheckUtils]: 73: Hoare triple {4990#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4763#false} is VALID [2022-04-15 08:44:24,575 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 08:44:24,576 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 08:44:24,576 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 08:44:24,576 INFO L290 TraceCheckUtils]: 69: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,576 INFO L290 TraceCheckUtils]: 68: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,576 INFO L290 TraceCheckUtils]: 67: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,577 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 08:44:24,577 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 08:44:24,577 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 08:44:24,577 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 08:44:24,578 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 08:44:24,578 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 08:44:24,579 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 08:44:24,579 INFO L290 TraceCheckUtils]: 59: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,579 INFO L290 TraceCheckUtils]: 58: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,579 INFO L290 TraceCheckUtils]: 57: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,579 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 08:44:24,580 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 08:44:24,580 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 08:44:24,580 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 08:44:24,581 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 08:44:24,581 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 08:44:24,581 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {4762#true} {4762#true} #93#return; {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 49: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 48: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 47: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,581 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 08:44:24,581 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4762#true} {4762#true} #91#return; {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 44: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 43: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,581 INFO L290 TraceCheckUtils]: 42: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,581 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 08:44:24,581 INFO L290 TraceCheckUtils]: 40: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 08:44:24,581 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 08:44:24,582 INFO L290 TraceCheckUtils]: 38: Hoare triple {4762#true} assume !false; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4762#true} {4762#true} #89#return; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 36: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 35: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 34: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,582 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 08:44:24,582 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4762#true} {4762#true} #87#return; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 31: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 30: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 29: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,582 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 08:44:24,582 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 08:44:24,582 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {4762#true} {4762#true} #85#return; {4762#true} is VALID [2022-04-15 08:44:24,582 INFO L290 TraceCheckUtils]: 25: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 23: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,583 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 08:44:24,583 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {4762#true} {4762#true} #83#return; {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 20: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 19: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 18: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,583 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 08:44:24,583 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {4762#true} {4762#true} #81#return; {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 15: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 14: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,583 INFO L290 TraceCheckUtils]: 13: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,583 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 08:44:24,583 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 08:44:24,584 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4762#true} {4762#true} #79#return; {4762#true} is VALID [2022-04-15 08:44:24,584 INFO L290 TraceCheckUtils]: 9: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,584 INFO L290 TraceCheckUtils]: 8: Hoare triple {4762#true} assume !(0 == ~cond); {4762#true} is VALID [2022-04-15 08:44:24,584 INFO L290 TraceCheckUtils]: 7: Hoare triple {4762#true} ~cond := #in~cond; {4762#true} is VALID [2022-04-15 08:44:24,584 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 08:44:24,584 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 08:44:24,584 INFO L272 TraceCheckUtils]: 4: Hoare triple {4762#true} call #t~ret6 := main(); {4762#true} is VALID [2022-04-15 08:44:24,584 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4762#true} {4762#true} #103#return; {4762#true} is VALID [2022-04-15 08:44:24,584 INFO L290 TraceCheckUtils]: 2: Hoare triple {4762#true} assume true; {4762#true} is VALID [2022-04-15 08:44:24,584 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 08:44:24,584 INFO L272 TraceCheckUtils]: 0: Hoare triple {4762#true} call ULTIMATE.init(); {4762#true} is VALID [2022-04-15 08:44:24,584 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 08:44:24,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:44:24,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107356026] [2022-04-15 08:44:24,585 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:44:24,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603433900] [2022-04-15 08:44:24,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603433900] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:44:24,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:44:24,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2022-04-15 08:44:24,585 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:44:24,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1098559516] [2022-04-15 08:44:24,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1098559516] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:44:24,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:44:24,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-15 08:44:24,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697243584] [2022-04-15 08:44:24,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:44:24,586 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 08:44:24,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:44:24,587 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 08:44:24,624 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 08:44:24,624 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-15 08:44:24,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:24,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-15 08:44:24,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-15 08:44:24,625 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 08:44:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:25,426 INFO L93 Difference]: Finished difference Result 124 states and 173 transitions. [2022-04-15 08:44:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 08:44:25,426 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 08:44:25,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:44:25,426 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 08:44:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 08:44:25,428 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 08:44:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 83 transitions. [2022-04-15 08:44:25,429 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 83 transitions. [2022-04-15 08:44:25,495 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 08:44:25,497 INFO L225 Difference]: With dead ends: 124 [2022-04-15 08:44:25,497 INFO L226 Difference]: Without dead ends: 121 [2022-04-15 08:44:25,498 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 08:44:25,498 INFO L913 BasicCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-15 08:44:25,498 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 218 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-15 08:44:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-15 08:44:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2022-04-15 08:44:25,663 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:44:25,664 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 08:44:25,664 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 08:44:25,664 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 08:44:25,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:25,668 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 08:44:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 08:44:25,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:25,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:25,668 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 08:44:25,669 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 08:44:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:25,672 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2022-04-15 08:44:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-04-15 08:44:25,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:25,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:25,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:44:25,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:44:25,673 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 08:44:25,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 166 transitions. [2022-04-15 08:44:25,676 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 166 transitions. Word has length 75 [2022-04-15 08:44:25,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:44:25,676 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 166 transitions. [2022-04-15 08:44:25,676 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 08:44:25,677 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 118 states and 166 transitions. [2022-04-15 08:44:25,915 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 08:44:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2022-04-15 08:44:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-04-15 08:44:25,916 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:44:25,916 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 08:44:25,953 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 08:44:26,124 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 08:44:26,125 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:44:26,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:44:26,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 3 times [2022-04-15 08:44:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:26,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1254867405] [2022-04-15 08:44:26,125 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:44:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1245952186, now seen corresponding path program 4 times [2022-04-15 08:44:26,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:44:26,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62762664] [2022-04-15 08:44:26,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:44:26,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:44:26,141 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:44:26,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74416046] [2022-04-15 08:44:26,141 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 08:44:26,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:44:26,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:44:26,143 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 08:44:26,143 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 08:44:26,184 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 08:44:26,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:44:26,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 33 conjunts are in the unsatisfiable core [2022-04-15 08:44:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:44:26,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:44:26,886 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 08:44:26,887 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 08:44:26,887 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,887 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 08:44:26,887 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 08:44:26,887 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 08:44:26,887 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 08:44:26,887 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,887 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,887 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,887 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 08:44:26,887 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 08:44:26,888 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 08:44:26,888 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,888 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,888 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,888 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-15 08:44:26,888 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 08:44:26,888 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 08:44:26,888 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 08:44:26,889 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 08:44:26,889 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 08:44:26,889 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 08:44:26,889 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,889 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,890 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,890 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 08:44:26,890 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 08:44:26,890 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 08:44:26,890 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,891 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,891 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,891 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 08:44:26,891 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 08:44:26,891 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,891 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,892 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,892 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 08:44:26,893 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 08:44:26,893 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 08:44:26,893 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 08:44:26,893 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 08:44:26,893 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,894 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,894 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,894 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 08:44:26,894 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 08:44:26,894 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,894 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,895 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,895 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 08:44:26,895 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 08:44:26,895 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,895 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,895 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,896 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 08:44:26,896 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 08:44:26,896 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,896 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,896 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,897 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 08:44:26,898 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 08:44:26,898 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 08:44:26,898 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 08:44:26,899 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 08:44:26,899 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 08:44:26,899 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 08:44:26,899 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,899 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,899 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,900 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 08:44:26,900 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 08:44:26,900 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:26,900 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:26,900 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:26,901 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 08:44:26,901 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 08:44:26,902 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 08:44:26,902 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 08:44:26,902 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 08:44:26,902 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 08:44:26,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:44:27,417 INFO L290 TraceCheckUtils]: 79: Hoare triple {5957#false} assume !false; {5957#false} is VALID [2022-04-15 08:44:27,417 INFO L290 TraceCheckUtils]: 78: Hoare triple {6200#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {5957#false} is VALID [2022-04-15 08:44:27,418 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 08:44:27,418 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 08:44:27,419 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 08:44:27,419 INFO L290 TraceCheckUtils]: 74: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,419 INFO L290 TraceCheckUtils]: 73: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,419 INFO L290 TraceCheckUtils]: 72: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,419 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 08:44:27,423 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 08:44:27,423 INFO L290 TraceCheckUtils]: 69: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,423 INFO L290 TraceCheckUtils]: 68: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,423 INFO L290 TraceCheckUtils]: 67: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,423 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 08:44:27,423 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 08:44:27,424 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 08:44:27,424 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 08:44:27,509 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 08:44:27,510 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 08:44:27,510 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 08:44:27,510 INFO L290 TraceCheckUtils]: 59: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,510 INFO L290 TraceCheckUtils]: 58: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,511 INFO L290 TraceCheckUtils]: 57: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,511 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 08:44:27,511 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 08:44:27,511 INFO L290 TraceCheckUtils]: 54: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,511 INFO L290 TraceCheckUtils]: 53: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,511 INFO L290 TraceCheckUtils]: 52: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,512 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 08:44:27,512 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 08:44:27,512 INFO L290 TraceCheckUtils]: 49: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,512 INFO L290 TraceCheckUtils]: 48: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,512 INFO L290 TraceCheckUtils]: 47: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,512 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 08:44:27,513 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 08:44:27,513 INFO L290 TraceCheckUtils]: 44: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,513 INFO L290 TraceCheckUtils]: 43: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,513 INFO L290 TraceCheckUtils]: 42: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,513 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 08:44:27,514 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 08:44:27,514 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 08:44:27,514 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 08:44:27,515 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 08:44:27,515 INFO L290 TraceCheckUtils]: 36: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,515 INFO L290 TraceCheckUtils]: 35: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,515 INFO L290 TraceCheckUtils]: 34: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,515 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 08:44:27,516 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 08:44:27,516 INFO L290 TraceCheckUtils]: 31: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,516 INFO L290 TraceCheckUtils]: 30: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,516 INFO L290 TraceCheckUtils]: 29: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,516 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 08:44:27,517 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 08:44:27,517 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {5956#true} {5956#true} #85#return; {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 25: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 24: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 23: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,517 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 08:44:27,517 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {5956#true} {5956#true} #83#return; {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 20: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 19: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 18: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,517 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 08:44:27,517 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {5956#true} {5956#true} #81#return; {5956#true} is VALID [2022-04-15 08:44:27,517 INFO L290 TraceCheckUtils]: 15: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 14: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 13: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,518 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 08:44:27,518 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 08:44:27,518 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {5956#true} {5956#true} #79#return; {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 9: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 8: Hoare triple {5956#true} assume !(0 == ~cond); {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 7: Hoare triple {5956#true} ~cond := #in~cond; {5956#true} is VALID [2022-04-15 08:44:27,518 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 08:44:27,518 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 08:44:27,518 INFO L272 TraceCheckUtils]: 4: Hoare triple {5956#true} call #t~ret6 := main(); {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5956#true} {5956#true} #103#return; {5956#true} is VALID [2022-04-15 08:44:27,518 INFO L290 TraceCheckUtils]: 2: Hoare triple {5956#true} assume true; {5956#true} is VALID [2022-04-15 08:44:27,518 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 08:44:27,519 INFO L272 TraceCheckUtils]: 0: Hoare triple {5956#true} call ULTIMATE.init(); {5956#true} is VALID [2022-04-15 08:44:27,519 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 08:44:27,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:44:27,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62762664] [2022-04-15 08:44:27,519 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:44:27,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74416046] [2022-04-15 08:44:27,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74416046] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:44:27,519 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:44:27,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2022-04-15 08:44:27,520 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:44:27,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1254867405] [2022-04-15 08:44:27,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1254867405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:44:27,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:44:27,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-15 08:44:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397519351] [2022-04-15 08:44:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:44:27,520 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 08:44:27,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:44:27,521 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 08:44:27,562 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 08:44:27,562 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-15 08:44:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-15 08:44:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-04-15 08:44:27,563 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 08:44:28,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:28,561 INFO L93 Difference]: Finished difference Result 130 states and 176 transitions. [2022-04-15 08:44:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-15 08:44:28,562 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 08:44:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:44:28,562 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 08:44:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-15 08:44:28,563 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 08:44:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 91 transitions. [2022-04-15 08:44:28,565 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 91 transitions. [2022-04-15 08:44:28,645 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 08:44:28,647 INFO L225 Difference]: With dead ends: 130 [2022-04-15 08:44:28,647 INFO L226 Difference]: Without dead ends: 128 [2022-04-15 08:44:28,648 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 08:44:28,648 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 08:44:28,648 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 08:44:28,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-04-15 08:44:28,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2022-04-15 08:44:28,826 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:44:28,826 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 08:44:28,827 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 08:44:28,827 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 08:44:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:28,830 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-15 08:44:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-15 08:44:28,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:28,830 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:28,831 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 08:44:28,831 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 08:44:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:44:28,833 INFO L93 Difference]: Finished difference Result 128 states and 174 transitions. [2022-04-15 08:44:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2022-04-15 08:44:28,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:44:28,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:44:28,834 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:44:28,834 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:44:28,834 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 08:44:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2022-04-15 08:44:28,837 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 80 [2022-04-15 08:44:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:44:28,837 INFO L478 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2022-04-15 08:44:28,837 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 08:44:28,837 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 126 states and 172 transitions. [2022-04-15 08:44:29,073 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 08:44:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2022-04-15 08:44:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-04-15 08:44:29,074 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:44:29,074 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 08:44:29,090 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 08:44:29,280 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 08:44:29,280 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:44:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:44:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 5 times [2022-04-15 08:44:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:44:29,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2035618241] [2022-04-15 08:44:29,282 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:44:29,283 INFO L85 PathProgramCache]: Analyzing trace with hash 901388446, now seen corresponding path program 6 times [2022-04-15 08:44:29,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:44:29,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995521047] [2022-04-15 08:44:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:44:29,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:44:29,297 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:44:29,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074331021] [2022-04-15 08:44:29,297 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 08:44:29,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:44:29,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:44:29,298 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 08:44:29,314 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 08:44:29,354 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 08:44:29,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:44:29,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-15 08:44:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:44:29,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:44:30,163 INFO L272 TraceCheckUtils]: 0: Hoare triple {7227#true} call ULTIMATE.init(); {7227#true} is VALID [2022-04-15 08:44:30,164 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 08:44:30,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7227#true} {7227#true} #103#return; {7227#true} is VALID [2022-04-15 08:44:30,164 INFO L272 TraceCheckUtils]: 4: Hoare triple {7227#true} call #t~ret6 := main(); {7227#true} is VALID [2022-04-15 08:44:30,164 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 08:44:30,169 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 08:44:30,169 INFO L290 TraceCheckUtils]: 7: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,169 INFO L290 TraceCheckUtils]: 8: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,169 INFO L290 TraceCheckUtils]: 9: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,169 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {7227#true} {7227#true} #79#return; {7227#true} is VALID [2022-04-15 08:44:30,169 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 08:44:30,169 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 08:44:30,170 INFO L290 TraceCheckUtils]: 13: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 14: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 15: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {7227#true} {7227#true} #81#return; {7227#true} is VALID [2022-04-15 08:44:30,170 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 08:44:30,170 INFO L290 TraceCheckUtils]: 18: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 19: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 20: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {7227#true} {7227#true} #83#return; {7227#true} is VALID [2022-04-15 08:44:30,170 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 08:44:30,170 INFO L290 TraceCheckUtils]: 23: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 24: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L290 TraceCheckUtils]: 25: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,170 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {7227#true} {7227#true} #85#return; {7227#true} is VALID [2022-04-15 08:44:30,171 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 08:44:30,171 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 08:44:30,171 INFO L290 TraceCheckUtils]: 29: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,171 INFO L290 TraceCheckUtils]: 30: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,171 INFO L290 TraceCheckUtils]: 31: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,172 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 08:44:30,172 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 08:44:30,172 INFO L290 TraceCheckUtils]: 34: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,172 INFO L290 TraceCheckUtils]: 35: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,172 INFO L290 TraceCheckUtils]: 36: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,173 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 08:44:30,173 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 08:44:30,173 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 08:44:30,174 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 08:44:30,174 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 08:44:30,174 INFO L290 TraceCheckUtils]: 42: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,174 INFO L290 TraceCheckUtils]: 43: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,174 INFO L290 TraceCheckUtils]: 44: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,175 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 08:44:30,175 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 08:44:30,175 INFO L290 TraceCheckUtils]: 47: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:44:30,175 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 08:44:30,176 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 08:44:30,177 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 08:44:30,177 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 08:44:30,177 INFO L290 TraceCheckUtils]: 52: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,177 INFO L290 TraceCheckUtils]: 53: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,177 INFO L290 TraceCheckUtils]: 54: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,177 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 08:44:30,178 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 08:44:30,178 INFO L290 TraceCheckUtils]: 57: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,178 INFO L290 TraceCheckUtils]: 58: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,178 INFO L290 TraceCheckUtils]: 59: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,179 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 08:44:30,179 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 08:44:30,181 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 08:44:30,181 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 08:44:30,182 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 08:44:30,183 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 08:44:30,183 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 08:44:30,183 INFO L290 TraceCheckUtils]: 67: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,183 INFO L290 TraceCheckUtils]: 68: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,183 INFO L290 TraceCheckUtils]: 69: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,184 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 08:44:30,184 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 08:44:30,184 INFO L290 TraceCheckUtils]: 72: Hoare triple {7227#true} ~cond := #in~cond; {7227#true} is VALID [2022-04-15 08:44:30,184 INFO L290 TraceCheckUtils]: 73: Hoare triple {7227#true} assume !(0 == ~cond); {7227#true} is VALID [2022-04-15 08:44:30,184 INFO L290 TraceCheckUtils]: 74: Hoare triple {7227#true} assume true; {7227#true} is VALID [2022-04-15 08:44:30,186 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 08:44:30,187 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 08:44:30,187 INFO L290 TraceCheckUtils]: 77: Hoare triple {7227#true} ~cond := #in~cond; {7375#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:44:30,187 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 08:44:30,187 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 08:44:30,188 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 08:44:30,190 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 08:44:30,191 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 08:44:30,191 INFO L290 TraceCheckUtils]: 83: Hoare triple {7486#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {7228#false} is VALID [2022-04-15 08:44:30,191 INFO L290 TraceCheckUtils]: 84: Hoare triple {7228#false} assume !false; {7228#false} is VALID [2022-04-15 08:44:30,191 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 08:44:30,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:45:15,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:45:15,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995521047] [2022-04-15 08:45:15,693 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:45:15,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074331021] [2022-04-15 08:45:15,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074331021] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 08:45:15,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 08:45:15,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-04-15 08:45:15,694 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:45:15,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2035618241] [2022-04-15 08:45:15,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2035618241] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:45:15,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:45:15,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-15 08:45:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970143221] [2022-04-15 08:45:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:45:15,695 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 08:45:15,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:45:15,695 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 08:45:15,743 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 08:45:15,743 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-15 08:45:15,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:15,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-15 08:45:15,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-04-15 08:45:15,744 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 08:45:16,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:16,940 INFO L93 Difference]: Finished difference Result 134 states and 179 transitions. [2022-04-15 08:45:16,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-15 08:45:16,940 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 08:45:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:45:16,941 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 08:45:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-15 08:45:16,942 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 08:45:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 91 transitions. [2022-04-15 08:45:16,943 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 91 transitions. [2022-04-15 08:45:17,044 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 08:45:17,046 INFO L225 Difference]: With dead ends: 134 [2022-04-15 08:45:17,046 INFO L226 Difference]: Without dead ends: 132 [2022-04-15 08:45:17,046 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 08:45:17,047 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-15 08:45:17,047 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 199 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-15 08:45:17,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-15 08:45:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2022-04-15 08:45:17,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:45:17,229 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 08:45:17,230 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 08:45:17,230 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 08:45:17,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:17,233 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 08:45:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 08:45:17,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:17,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:17,233 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 08:45:17,234 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 08:45:17,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:17,236 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2022-04-15 08:45:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 177 transitions. [2022-04-15 08:45:17,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:17,237 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:17,237 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:45:17,237 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:45:17,237 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 08:45:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 175 transitions. [2022-04-15 08:45:17,240 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 175 transitions. Word has length 85 [2022-04-15 08:45:17,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:45:17,240 INFO L478 AbstractCegarLoop]: Abstraction has 130 states and 175 transitions. [2022-04-15 08:45:17,240 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 08:45:17,240 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 130 states and 175 transitions. [2022-04-15 08:45:17,476 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 08:45:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 175 transitions. [2022-04-15 08:45:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-04-15 08:45:17,478 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:45:17,478 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 08:45:17,496 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 08:45:17,680 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 08:45:17,681 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:45:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:45:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 1 times [2022-04-15 08:45:17,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2041297424] [2022-04-15 08:45:17,682 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:45:17,682 INFO L85 PathProgramCache]: Analyzing trace with hash -686534738, now seen corresponding path program 2 times [2022-04-15 08:45:17,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:45:17,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859379083] [2022-04-15 08:45:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:45:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:45:17,692 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:45:17,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921326762] [2022-04-15 08:45:17,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:45:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:45:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:45:17,694 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 08:45:17,694 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 08:45:17,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:45:17,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:45:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-15 08:45:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:45:17,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:45:18,342 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-15 08:45:18,343 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 08:45:18,343 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,343 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-15 08:45:18,343 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-15 08:45:18,343 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 08:45:18,343 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 08:45:18,343 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,343 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,343 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,343 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-15 08:45:18,343 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 08:45:18,343 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 08:45:18,343 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-15 08:45:18,344 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 08:45:18,344 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-15 08:45:18,344 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 08:45:18,344 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,344 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-15 08:45:18,345 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 08:45:18,345 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 08:45:18,345 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,345 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,345 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,346 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 08:45:18,346 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 08:45:18,346 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,346 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,346 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,347 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 08:45:18,347 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 08:45:18,347 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 08:45:18,348 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 08:45:18,348 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 08:45:18,348 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,348 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,348 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,349 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 08:45:18,349 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 08:45:18,349 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,349 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,349 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,350 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 08:45:18,350 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 08:45:18,350 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,350 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,350 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,351 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 08:45:18,351 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 08:45:18,351 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,351 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,351 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,351 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 08:45:18,352 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 08:45:18,352 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 08:45:18,352 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 08:45:18,353 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,353 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,353 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,353 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 08:45:18,353 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 08:45:18,353 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,354 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,354 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,354 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 08:45:18,354 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 08:45:18,354 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,354 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,355 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,355 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 08:45:18,355 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 08:45:18,355 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:18,355 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:18,355 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:18,356 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 08:45:18,357 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 08:45:18,357 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 08:45:18,357 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 08:45:18,358 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 08:45:18,358 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 08:45:18,359 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 08:45:18,359 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-15 08:45:18,359 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-15 08:45:18,359 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 08:45:18,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:45:18,807 INFO L290 TraceCheckUtils]: 90: Hoare triple {8308#false} assume !false; {8308#false} is VALID [2022-04-15 08:45:18,807 INFO L290 TraceCheckUtils]: 89: Hoare triple {8582#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {8308#false} is VALID [2022-04-15 08:45:18,808 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 08:45:18,808 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 08:45:18,809 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 08:45:18,809 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 08:45:20,810 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 08:45:20,811 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 08:45:20,812 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 08:45:20,812 INFO L290 TraceCheckUtils]: 81: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:20,812 INFO L290 TraceCheckUtils]: 80: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:20,812 INFO L290 TraceCheckUtils]: 79: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:20,812 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 08:45:20,813 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 08:45:20,813 INFO L290 TraceCheckUtils]: 76: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:20,813 INFO L290 TraceCheckUtils]: 75: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:20,813 INFO L290 TraceCheckUtils]: 74: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:20,813 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 08:45:20,814 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 08:45:20,814 INFO L290 TraceCheckUtils]: 71: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:20,814 INFO L290 TraceCheckUtils]: 70: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:20,814 INFO L290 TraceCheckUtils]: 69: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:20,814 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 08:45:20,814 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 08:45:20,815 INFO L290 TraceCheckUtils]: 66: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:20,815 INFO L290 TraceCheckUtils]: 65: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:20,815 INFO L290 TraceCheckUtils]: 64: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:20,815 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 08:45:20,815 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 08:45:21,113 INFO L290 TraceCheckUtils]: 61: Hoare triple {8679#(or (= (+ (* (+ main_~k~0 1) main_~q~0 main_~x~0) (* (+ main_~k~0 1) main_~y~0 main_~s~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))) (not (= (+ main_~c~0 (* (- 1) main_~b~0)) 0)))} assume !!(~c~0 >= ~b~0);~c~0 := ~c~0 - ~b~0;~k~0 := 1 + ~k~0; {8609#(or (not (= main_~c~0 0)) (= (+ (* main_~k~0 main_~y~0 main_~s~0) (* main_~q~0 main_~k~0 main_~x~0)) (+ (* main_~y~0 main_~r~0) (* main_~p~0 main_~x~0))))} is VALID [2022-04-15 08:45:21,114 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 08:45:21,114 INFO L290 TraceCheckUtils]: 59: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,114 INFO L290 TraceCheckUtils]: 58: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,114 INFO L290 TraceCheckUtils]: 57: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,114 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 08:45:21,115 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 08:45:21,115 INFO L290 TraceCheckUtils]: 54: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,115 INFO L290 TraceCheckUtils]: 53: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,115 INFO L290 TraceCheckUtils]: 52: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,115 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 08:45:21,116 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 08:45:21,116 INFO L290 TraceCheckUtils]: 49: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,116 INFO L290 TraceCheckUtils]: 48: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,116 INFO L290 TraceCheckUtils]: 47: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,116 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 08:45:21,117 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 08:45:21,117 INFO L290 TraceCheckUtils]: 44: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,117 INFO L290 TraceCheckUtils]: 43: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,117 INFO L290 TraceCheckUtils]: 42: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,117 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 08:45:21,118 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 08:45:21,118 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 08:45:21,119 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 08:45:21,119 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 08:45:21,119 INFO L290 TraceCheckUtils]: 36: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,119 INFO L290 TraceCheckUtils]: 35: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,119 INFO L290 TraceCheckUtils]: 34: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,119 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 08:45:21,120 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 08:45:21,120 INFO L290 TraceCheckUtils]: 31: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,120 INFO L290 TraceCheckUtils]: 30: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,120 INFO L290 TraceCheckUtils]: 29: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,120 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 08:45:21,121 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 08:45:21,121 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {8307#true} {8307#true} #85#return; {8307#true} is VALID [2022-04-15 08:45:21,121 INFO L290 TraceCheckUtils]: 25: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,121 INFO L290 TraceCheckUtils]: 24: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,121 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 08:45:21,121 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {8307#true} {8307#true} #83#return; {8307#true} is VALID [2022-04-15 08:45:21,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,121 INFO L290 TraceCheckUtils]: 19: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 18: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,122 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 08:45:21,122 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {8307#true} {8307#true} #81#return; {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 15: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 14: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 13: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,122 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 08:45:21,122 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 08:45:21,122 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8307#true} {8307#true} #79#return; {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 9: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 8: Hoare triple {8307#true} assume !(0 == ~cond); {8307#true} is VALID [2022-04-15 08:45:21,122 INFO L290 TraceCheckUtils]: 7: Hoare triple {8307#true} ~cond := #in~cond; {8307#true} is VALID [2022-04-15 08:45:21,122 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 08:45:21,122 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 08:45:21,123 INFO L272 TraceCheckUtils]: 4: Hoare triple {8307#true} call #t~ret6 := main(); {8307#true} is VALID [2022-04-15 08:45:21,123 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8307#true} {8307#true} #103#return; {8307#true} is VALID [2022-04-15 08:45:21,123 INFO L290 TraceCheckUtils]: 2: Hoare triple {8307#true} assume true; {8307#true} is VALID [2022-04-15 08:45:21,123 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 08:45:21,123 INFO L272 TraceCheckUtils]: 0: Hoare triple {8307#true} call ULTIMATE.init(); {8307#true} is VALID [2022-04-15 08:45:21,123 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 08:45:21,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:45:21,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859379083] [2022-04-15 08:45:21,123 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:45:21,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921326762] [2022-04-15 08:45:21,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921326762] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:45:21,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:45:21,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2022-04-15 08:45:21,124 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:45:21,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2041297424] [2022-04-15 08:45:21,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2041297424] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:45:21,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:45:21,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-15 08:45:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877092228] [2022-04-15 08:45:21,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:45:21,125 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 08:45:21,125 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:45:21,125 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 08:45:21,169 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 08:45:21,169 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-15 08:45:21,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:21,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-15 08:45:21,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-04-15 08:45:21,169 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 08:45:22,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:22,512 INFO L93 Difference]: Finished difference Result 157 states and 211 transitions. [2022-04-15 08:45:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 08:45:22,512 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 08:45:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:45:22,512 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 08:45:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 08:45:22,514 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 08:45:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 105 transitions. [2022-04-15 08:45:22,515 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 105 transitions. [2022-04-15 08:45:22,614 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 08:45:22,617 INFO L225 Difference]: With dead ends: 157 [2022-04-15 08:45:22,617 INFO L226 Difference]: Without dead ends: 154 [2022-04-15 08:45:22,617 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 08:45:22,618 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 08:45:22,618 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 08:45:22,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-04-15 08:45:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2022-04-15 08:45:22,819 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:45:22,819 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 08:45:22,819 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 08:45:22,819 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 08:45:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:22,822 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-15 08:45:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-15 08:45:22,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:22,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:22,823 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 08:45:22,824 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 08:45:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:22,826 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-04-15 08:45:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 207 transitions. [2022-04-15 08:45:22,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:22,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:22,827 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:45:22,827 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:45:22,827 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 08:45:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 206 transitions. [2022-04-15 08:45:22,831 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 206 transitions. Word has length 91 [2022-04-15 08:45:22,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:45:22,831 INFO L478 AbstractCegarLoop]: Abstraction has 153 states and 206 transitions. [2022-04-15 08:45:22,831 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 08:45:22,831 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 153 states and 206 transitions. [2022-04-15 08:45:23,129 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 08:45:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 206 transitions. [2022-04-15 08:45:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-04-15 08:45:23,130 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:45:23,130 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 08:45:23,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-04-15 08:45:23,349 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 08:45:23,349 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:45:23,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:45:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 7 times [2022-04-15 08:45:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:23,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [6935823] [2022-04-15 08:45:23,350 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:45:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -663071842, now seen corresponding path program 8 times [2022-04-15 08:45:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:45:23,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648093989] [2022-04-15 08:45:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:45:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:45:23,361 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:45:23,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730167986] [2022-04-15 08:45:23,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:45:23,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:45:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:45:23,362 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 08:45:23,363 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 08:45:23,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:45:23,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:45:23,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 08:45:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:45:23,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:45:23,649 INFO L272 TraceCheckUtils]: 0: Hoare triple {9802#true} call ULTIMATE.init(); {9802#true} is VALID [2022-04-15 08:45:23,649 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 08:45:23,649 INFO L290 TraceCheckUtils]: 2: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,649 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9802#true} {9802#true} #103#return; {9802#true} is VALID [2022-04-15 08:45:23,649 INFO L272 TraceCheckUtils]: 4: Hoare triple {9802#true} call #t~ret6 := main(); {9802#true} is VALID [2022-04-15 08:45:23,649 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 08:45:23,649 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 08:45:23,649 INFO L290 TraceCheckUtils]: 7: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 8: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 9: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {9802#true} {9802#true} #79#return; {9802#true} is VALID [2022-04-15 08:45:23,650 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 08:45:23,650 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 08:45:23,650 INFO L290 TraceCheckUtils]: 13: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 14: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 15: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {9802#true} {9802#true} #81#return; {9802#true} is VALID [2022-04-15 08:45:23,650 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 08:45:23,650 INFO L290 TraceCheckUtils]: 18: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 19: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L290 TraceCheckUtils]: 20: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,650 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {9802#true} {9802#true} #83#return; {9802#true} is VALID [2022-04-15 08:45:23,651 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 08:45:23,651 INFO L290 TraceCheckUtils]: 23: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L290 TraceCheckUtils]: 24: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L290 TraceCheckUtils]: 25: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {9802#true} {9802#true} #85#return; {9802#true} is VALID [2022-04-15 08:45:23,651 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 08:45:23,651 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 08:45:23,651 INFO L290 TraceCheckUtils]: 29: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L290 TraceCheckUtils]: 30: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L290 TraceCheckUtils]: 31: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9802#true} {9802#true} #87#return; {9802#true} is VALID [2022-04-15 08:45:23,651 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 08:45:23,651 INFO L290 TraceCheckUtils]: 34: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,651 INFO L290 TraceCheckUtils]: 35: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 36: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {9802#true} {9802#true} #89#return; {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 38: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-15 08:45:23,652 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 08:45:23,652 INFO L290 TraceCheckUtils]: 40: Hoare triple {9802#true} assume !false; {9802#true} is VALID [2022-04-15 08:45:23,652 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 08:45:23,652 INFO L290 TraceCheckUtils]: 42: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 43: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 44: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {9802#true} {9802#true} #91#return; {9802#true} is VALID [2022-04-15 08:45:23,652 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 08:45:23,652 INFO L290 TraceCheckUtils]: 47: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 48: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,652 INFO L290 TraceCheckUtils]: 49: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {9802#true} {9802#true} #93#return; {9802#true} is VALID [2022-04-15 08:45:23,653 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 08:45:23,653 INFO L290 TraceCheckUtils]: 52: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L290 TraceCheckUtils]: 53: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L290 TraceCheckUtils]: 54: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {9802#true} {9802#true} #95#return; {9802#true} is VALID [2022-04-15 08:45:23,653 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 08:45:23,653 INFO L290 TraceCheckUtils]: 57: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L290 TraceCheckUtils]: 58: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L290 TraceCheckUtils]: 59: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,653 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {9802#true} {9802#true} #97#return; {9802#true} is VALID [2022-04-15 08:45:23,654 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 08:45:23,654 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 08:45:23,654 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 08:45:23,655 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 08:45:23,658 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 08:45:23,659 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 08:45:23,659 INFO L290 TraceCheckUtils]: 67: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,659 INFO L290 TraceCheckUtils]: 68: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,659 INFO L290 TraceCheckUtils]: 69: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,659 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 08:45:23,659 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 08:45:23,659 INFO L290 TraceCheckUtils]: 72: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,659 INFO L290 TraceCheckUtils]: 73: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,660 INFO L290 TraceCheckUtils]: 74: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,660 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 08:45:23,660 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 08:45:23,660 INFO L290 TraceCheckUtils]: 77: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,660 INFO L290 TraceCheckUtils]: 78: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,660 INFO L290 TraceCheckUtils]: 79: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,661 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 08:45:23,661 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 08:45:23,661 INFO L290 TraceCheckUtils]: 82: Hoare triple {9802#true} ~cond := #in~cond; {9802#true} is VALID [2022-04-15 08:45:23,661 INFO L290 TraceCheckUtils]: 83: Hoare triple {9802#true} assume !(0 == ~cond); {9802#true} is VALID [2022-04-15 08:45:23,661 INFO L290 TraceCheckUtils]: 84: Hoare triple {9802#true} assume true; {9802#true} is VALID [2022-04-15 08:45:23,662 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 08:45:23,662 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 08:45:23,662 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 08:45:23,662 INFO L290 TraceCheckUtils]: 88: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 08:45:23,662 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 08:45:23,662 INFO L290 TraceCheckUtils]: 90: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 08:45:23,663 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 08:45:23,663 INFO L290 TraceCheckUtils]: 92: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-15 08:45:23,663 INFO L290 TraceCheckUtils]: 93: Hoare triple {9803#false} assume !(0 == ~cond); {9803#false} is VALID [2022-04-15 08:45:23,663 INFO L290 TraceCheckUtils]: 94: Hoare triple {9803#false} assume true; {9803#false} is VALID [2022-04-15 08:45:23,663 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {9803#false} {9803#false} #91#return; {9803#false} is VALID [2022-04-15 08:45:23,663 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 08:45:23,663 INFO L290 TraceCheckUtils]: 97: Hoare triple {9803#false} ~cond := #in~cond; {9803#false} is VALID [2022-04-15 08:45:23,663 INFO L290 TraceCheckUtils]: 98: Hoare triple {9803#false} assume 0 == ~cond; {9803#false} is VALID [2022-04-15 08:45:23,663 INFO L290 TraceCheckUtils]: 99: Hoare triple {9803#false} assume !false; {9803#false} is VALID [2022-04-15 08:45:23,669 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 08:45:23,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 08:45:23,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:45:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648093989] [2022-04-15 08:45:23,669 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:45:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730167986] [2022-04-15 08:45:23,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730167986] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:45:23,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:45:23,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:45:23,670 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:45:23,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [6935823] [2022-04-15 08:45:23,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [6935823] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:45:23,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:45:23,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 08:45:23,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472201532] [2022-04-15 08:45:23,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:45:23,670 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 08:45:23,671 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:45:23,671 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 08:45:23,713 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 08:45:23,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 08:45:23,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:23,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 08:45:23,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 08:45:23,714 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 08:45:24,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:24,159 INFO L93 Difference]: Finished difference Result 201 states and 280 transitions. [2022-04-15 08:45:24,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 08:45:24,160 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 08:45:24,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:45:24,160 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 08:45:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 08:45:24,162 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 08:45:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-04-15 08:45:24,163 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-04-15 08:45:24,226 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 08:45:24,229 INFO L225 Difference]: With dead ends: 201 [2022-04-15 08:45:24,229 INFO L226 Difference]: Without dead ends: 156 [2022-04-15 08:45:24,230 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 08:45:24,230 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 08:45:24,231 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 08:45:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-04-15 08:45:24,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 147. [2022-04-15 08:45:24,448 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:45:24,448 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 08:45:24,449 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 08:45:24,449 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 08:45:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:24,454 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-15 08:45:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-15 08:45:24,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:24,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:24,455 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 08:45:24,455 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 08:45:24,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:45:24,459 INFO L93 Difference]: Finished difference Result 156 states and 209 transitions. [2022-04-15 08:45:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2022-04-15 08:45:24,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:45:24,459 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:45:24,459 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:45:24,460 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:45:24,460 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 08:45:24,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2022-04-15 08:45:24,463 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 195 transitions. Word has length 100 [2022-04-15 08:45:24,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:45:24,463 INFO L478 AbstractCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-04-15 08:45:24,464 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 08:45:24,464 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 147 states and 195 transitions. [2022-04-15 08:45:24,756 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 08:45:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 195 transitions. [2022-04-15 08:45:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-04-15 08:45:24,757 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:45:24,757 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 08:45:24,773 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 08:45:24,957 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 08:45:24,957 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:45:24,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:45:24,958 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 1 times [2022-04-15 08:45:24,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:45:24,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [500490549] [2022-04-15 08:45:24,958 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:45:24,958 INFO L85 PathProgramCache]: Analyzing trace with hash -428114403, now seen corresponding path program 2 times [2022-04-15 08:45:24,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:45:24,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298167518] [2022-04-15 08:45:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:45:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:45:24,969 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:45:24,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025788748] [2022-04-15 08:45:24,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:45:24,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:45:24,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:45:24,970 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 08:45:24,971 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 08:45:25,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:45:25,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:45:25,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-15 08:45:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:45:25,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:45:26,570 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-15 08:45:26,571 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 08:45:26,571 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-15 08:45:26,571 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 08:45:26,571 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 08:45:26,571 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-15 08:45:26,571 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 08:45:26,571 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 08:45:26,571 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,571 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,572 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,572 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-15 08:45:26,572 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 08:45:26,572 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 08:45:26,572 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 08:45:26,572 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 08:45:26,573 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 08:45:26,573 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 08:45:26,573 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,573 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,573 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,574 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 08:45:26,574 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 08:45:26,574 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 08:45:26,574 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,574 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,574 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,575 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 08:45:26,575 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 08:45:26,575 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,575 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,575 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,576 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 08:45:26,576 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 08:45:26,577 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 08:45:26,577 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 08:45:26,577 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 08:45:26,578 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,578 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,578 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,579 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 08:45:26,579 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 08:45:26,579 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,579 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,579 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,580 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 08:45:26,580 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 08:45:26,580 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,580 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,580 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,581 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 08:45:26,581 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 08:45:26,581 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,581 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,581 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,582 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 08:45:26,583 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 08:45:26,583 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 08:45:26,583 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 08:45:26,583 INFO L290 TraceCheckUtils]: 64: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:45:26,584 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 08:45:26,584 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 08:45:26,585 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 08:45:26,585 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 08:45:26,586 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,586 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,586 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,587 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 08:45:26,587 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 08:45:26,587 INFO L290 TraceCheckUtils]: 74: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:45:26,587 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 08:45:26,588 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 08:45:26,588 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 08:45:26,588 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 08:45:26,589 INFO L290 TraceCheckUtils]: 79: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:45:26,589 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 08:45:26,589 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 08:45:26,590 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 08:45:26,590 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 08:45:26,591 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 08:45:26,592 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 08:45:26,592 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 08:45:26,593 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 08:45:26,593 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 08:45:26,593 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,593 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,593 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,593 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 08:45:26,594 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 08:45:26,594 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:45:26,594 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:45:26,594 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:45:26,594 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 08:45:26,594 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 08:45:26,595 INFO L290 TraceCheckUtils]: 99: Hoare triple {11118#true} ~cond := #in~cond; {11321#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:45:26,595 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 08:45:26,595 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 08:45:26,596 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 08:45:26,598 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 08:45:26,598 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 08:45:26,598 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-15 08:45:26,598 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-15 08:45:26,599 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 08:45:26,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:47:47,806 INFO L290 TraceCheckUtils]: 106: Hoare triple {11119#false} assume !false; {11119#false} is VALID [2022-04-15 08:47:47,806 INFO L290 TraceCheckUtils]: 105: Hoare triple {11447#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11119#false} is VALID [2022-04-15 08:47:47,807 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 08:47:47,807 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 08:47:47,808 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 08:47:47,808 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 08:47:47,809 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 08:47:47,809 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 08:47:47,809 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 08:47:47,810 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 08:47:47,810 INFO L290 TraceCheckUtils]: 96: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:47,810 INFO L290 TraceCheckUtils]: 95: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:47,810 INFO L290 TraceCheckUtils]: 94: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:47,810 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 08:47:47,810 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 08:47:47,811 INFO L290 TraceCheckUtils]: 91: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:47,811 INFO L290 TraceCheckUtils]: 90: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:47,811 INFO L290 TraceCheckUtils]: 89: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:47,811 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 08:47:47,811 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 08:47:47,812 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 08:47:47,812 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 08:47:49,814 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 08:47:49,815 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 08:47:49,817 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 08:47:49,817 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 08:47:49,817 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 08:47:49,817 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 08:47:49,817 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 08:47:49,818 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 08:47:49,819 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 08:47:49,819 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 08:47:49,819 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 08:47:49,819 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 08:47:49,820 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 08:47:49,820 INFO L290 TraceCheckUtils]: 71: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,820 INFO L290 TraceCheckUtils]: 70: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,820 INFO L290 TraceCheckUtils]: 69: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,820 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 08:47:49,821 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 08:47:49,822 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 08:47:49,822 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 08:47:49,822 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 08:47:49,822 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 08:47:49,823 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 08:47:49,884 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 08:47:49,885 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 08:47:49,885 INFO L290 TraceCheckUtils]: 59: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,885 INFO L290 TraceCheckUtils]: 58: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,885 INFO L290 TraceCheckUtils]: 57: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,885 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 08:47:49,886 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 08:47:49,886 INFO L290 TraceCheckUtils]: 54: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,886 INFO L290 TraceCheckUtils]: 53: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,886 INFO L290 TraceCheckUtils]: 52: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,887 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 08:47:49,887 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 08:47:49,887 INFO L290 TraceCheckUtils]: 49: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,887 INFO L290 TraceCheckUtils]: 48: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,887 INFO L290 TraceCheckUtils]: 47: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,888 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 08:47:49,888 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 08:47:49,888 INFO L290 TraceCheckUtils]: 44: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,888 INFO L290 TraceCheckUtils]: 43: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,888 INFO L290 TraceCheckUtils]: 42: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,889 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 08:47:49,889 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 08:47:49,890 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 08:47:49,891 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 08:47:49,891 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 08:47:49,892 INFO L290 TraceCheckUtils]: 36: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,892 INFO L290 TraceCheckUtils]: 35: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,892 INFO L290 TraceCheckUtils]: 34: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,892 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 08:47:49,892 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 08:47:49,892 INFO L290 TraceCheckUtils]: 31: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,893 INFO L290 TraceCheckUtils]: 30: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,893 INFO L290 TraceCheckUtils]: 29: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,893 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 08:47:49,894 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 08:47:49,894 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {11118#true} {11118#true} #85#return; {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 25: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 24: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 23: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,894 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 08:47:49,894 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {11118#true} {11118#true} #83#return; {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 20: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 19: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,894 INFO L290 TraceCheckUtils]: 18: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,894 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 08:47:49,895 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {11118#true} {11118#true} #81#return; {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 15: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 14: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 13: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,895 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 08:47:49,895 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 08:47:49,895 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {11118#true} {11118#true} #79#return; {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 9: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 8: Hoare triple {11118#true} assume !(0 == ~cond); {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L290 TraceCheckUtils]: 7: Hoare triple {11118#true} ~cond := #in~cond; {11118#true} is VALID [2022-04-15 08:47:49,895 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 08:47:49,895 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 08:47:49,895 INFO L272 TraceCheckUtils]: 4: Hoare triple {11118#true} call #t~ret6 := main(); {11118#true} is VALID [2022-04-15 08:47:49,895 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11118#true} {11118#true} #103#return; {11118#true} is VALID [2022-04-15 08:47:49,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {11118#true} assume true; {11118#true} is VALID [2022-04-15 08:47:49,896 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 08:47:49,896 INFO L272 TraceCheckUtils]: 0: Hoare triple {11118#true} call ULTIMATE.init(); {11118#true} is VALID [2022-04-15 08:47:49,896 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 08:47:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:47:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298167518] [2022-04-15 08:47:49,896 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:47:49,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025788748] [2022-04-15 08:47:49,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025788748] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:47:49,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:47:49,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-04-15 08:47:49,897 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:47:49,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [500490549] [2022-04-15 08:47:49,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [500490549] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:47:49,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:47:49,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-15 08:47:49,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253049175] [2022-04-15 08:47:49,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:47:49,898 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 08:47:49,898 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:47:49,898 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 08:47:49,961 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 08:47:49,961 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-15 08:47:49,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:47:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-15 08:47:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=474, Unknown=1, NotChecked=0, Total=600 [2022-04-15 08:47:49,962 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 08:47:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:47:53,057 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2022-04-15 08:47:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-15 08:47:53,057 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 08:47:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:47:53,058 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 08:47:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 08:47:53,059 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 08:47:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 103 transitions. [2022-04-15 08:47:53,060 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 103 transitions. [2022-04-15 08:47:53,172 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 08:47:53,174 INFO L225 Difference]: With dead ends: 154 [2022-04-15 08:47:53,174 INFO L226 Difference]: Without dead ends: 152 [2022-04-15 08:47:53,174 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=158, Invalid=653, Unknown=1, NotChecked=0, Total=812 [2022-04-15 08:47:53,175 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 38 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-15 08:47:53,175 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 197 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-15 08:47:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-04-15 08:47:53,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 128. [2022-04-15 08:47:53,365 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:47:53,366 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 08:47:53,366 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 08:47:53,366 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 08:47:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:47:53,369 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-15 08:47:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-15 08:47:53,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:47:53,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:47:53,370 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 08:47:53,370 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 08:47:53,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:47:53,373 INFO L93 Difference]: Finished difference Result 152 states and 199 transitions. [2022-04-15 08:47:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2022-04-15 08:47:53,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:47:53,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:47:53,373 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:47:53,373 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:47:53,374 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 08:47:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 168 transitions. [2022-04-15 08:47:53,376 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 168 transitions. Word has length 107 [2022-04-15 08:47:53,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:47:53,376 INFO L478 AbstractCegarLoop]: Abstraction has 128 states and 168 transitions. [2022-04-15 08:47:53,376 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 08:47:53,376 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 128 states and 168 transitions. [2022-04-15 08:47:53,651 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 08:47:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 168 transitions. [2022-04-15 08:47:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-04-15 08:47:53,652 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:47:53,652 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 08:47:53,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-04-15 08:47:53,856 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 08:47:53,856 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:47:53,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:47:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 3 times [2022-04-15 08:47:53,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:47:53,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1763197152] [2022-04-15 08:47:53,857 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:47:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1185765869, now seen corresponding path program 4 times [2022-04-15 08:47:53,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:47:53,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388722861] [2022-04-15 08:47:53,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:47:53,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:47:53,867 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:47:53,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369144740] [2022-04-15 08:47:53,868 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 08:47:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:47:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:47:53,869 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 08:47:53,875 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 08:47:53,923 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 08:47:53,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:47:53,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-15 08:47:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:47:53,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:47:54,993 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-15 08:47:54,993 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 08:47:54,993 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,993 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-15 08:47:54,993 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-15 08:47:54,993 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 08:47:54,993 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 08:47:54,994 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-15 08:47:54,994 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 08:47:54,994 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 08:47:54,994 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-15 08:47:54,994 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 08:47:54,994 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,994 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,995 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-15 08:47:54,995 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 08:47:54,995 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,995 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,995 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-15 08:47:54,996 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 08:47:54,996 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 08:47:54,996 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,996 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,996 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,997 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 08:47:54,997 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 08:47:54,997 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,997 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,997 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:54,998 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 08:47:54,998 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 08:47:54,998 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 08:47:54,999 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 08:47:54,999 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 08:47:54,999 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:54,999 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:54,999 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,000 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 08:47:55,000 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 08:47:55,000 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,000 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,000 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,001 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 08:47:55,001 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 08:47:55,001 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,001 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,001 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,001 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 08:47:55,002 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 08:47:55,002 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,002 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,002 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,002 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 08:47:55,003 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 08:47:55,004 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 08:47:55,004 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 08:47:55,004 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,004 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,004 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,005 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 08:47:55,005 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 08:47:55,005 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,005 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,005 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,006 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 08:47:55,006 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 08:47:55,006 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,006 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,006 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,006 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 08:47:55,007 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 08:47:55,007 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,007 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,007 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,007 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 08:47:55,008 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 08:47:55,009 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 08:47:55,009 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 08:47:55,009 INFO L290 TraceCheckUtils]: 86: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:47:55,009 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 08:47:55,010 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 08:47:55,010 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 08:47:55,010 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 08:47:55,011 INFO L290 TraceCheckUtils]: 91: Hoare triple {12660#true} ~cond := #in~cond; {12927#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:47:55,011 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 08:47:55,012 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 08:47:55,013 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 08:47:55,013 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 08:47:55,013 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,013 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,013 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,013 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 08:47:55,014 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 08:47:55,014 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:47:55,014 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:47:55,014 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:47:55,014 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 08:47:55,015 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 08:47:55,016 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 08:47:55,017 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 08:47:55,017 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 08:47:55,018 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 08:47:55,018 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 08:47:55,018 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-15 08:47:55,019 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-15 08:47:55,019 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 08:47:55,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:49:21,019 INFO L290 TraceCheckUtils]: 112: Hoare triple {12661#false} assume !false; {12661#false} is VALID [2022-04-15 08:49:21,019 INFO L290 TraceCheckUtils]: 111: Hoare triple {13006#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {12661#false} is VALID [2022-04-15 08:49:21,019 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 08:49:21,020 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 08:49:21,020 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 08:49:21,021 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 08:49:22,389 INFO L290 TraceCheckUtils]: 106: Hoare triple {13033#(or (not (= main_~c~0 0)) (= (+ (* (+ (* (* main_~k~0 main_~s~0) (- 1)) main_~r~0) main_~y~0) (* (+ main_~p~0 (* (- 1) main_~q~0 main_~k~0)) main_~x~0)) 0))} ~a~0 := ~b~0;~b~0 := ~c~0;havoc ~temp~0;~temp~0 := ~p~0;~p~0 := ~q~0;~q~0 := ~temp~0 - ~q~0 * ~k~0;~temp~0 := ~r~0;~r~0 := ~s~0;~s~0 := ~temp~0 - ~s~0 * ~k~0; {13026#(or (not (= main_~b~0 0)) (= (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)) 0))} is VALID [2022-04-15 08:49:22,390 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 08:49:22,391 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 08:49:22,391 INFO L290 TraceCheckUtils]: 103: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,391 INFO L290 TraceCheckUtils]: 102: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,391 INFO L290 TraceCheckUtils]: 101: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,391 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 08:49:22,392 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 08:49:22,392 INFO L290 TraceCheckUtils]: 98: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,392 INFO L290 TraceCheckUtils]: 97: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,392 INFO L290 TraceCheckUtils]: 96: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,392 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 08:49:22,393 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 08:49:22,393 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 08:49:22,393 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 08:49:22,394 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 08:49:22,394 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 08:49:22,395 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 08:49:22,395 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 08:49:22,395 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 08:49:22,395 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 08:49:22,396 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 08:49:22,396 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 08:49:22,520 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 08:49:22,521 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 08:49:22,521 INFO L290 TraceCheckUtils]: 81: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,522 INFO L290 TraceCheckUtils]: 80: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,522 INFO L290 TraceCheckUtils]: 79: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,522 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 08:49:22,522 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 08:49:22,522 INFO L290 TraceCheckUtils]: 76: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,522 INFO L290 TraceCheckUtils]: 75: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,523 INFO L290 TraceCheckUtils]: 74: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,523 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 08:49:22,523 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 08:49:22,523 INFO L290 TraceCheckUtils]: 71: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,523 INFO L290 TraceCheckUtils]: 70: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,524 INFO L290 TraceCheckUtils]: 69: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,524 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 08:49:22,524 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 08:49:22,524 INFO L290 TraceCheckUtils]: 66: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:22,524 INFO L290 TraceCheckUtils]: 65: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:22,524 INFO L290 TraceCheckUtils]: 64: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:22,524 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 08:49:22,525 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 08:49:23,031 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 08:49:23,032 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 08:49:23,032 INFO L290 TraceCheckUtils]: 59: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,032 INFO L290 TraceCheckUtils]: 58: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,032 INFO L290 TraceCheckUtils]: 57: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,032 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 08:49:23,033 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 08:49:23,033 INFO L290 TraceCheckUtils]: 54: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,033 INFO L290 TraceCheckUtils]: 53: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,033 INFO L290 TraceCheckUtils]: 52: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,033 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 08:49:23,034 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 08:49:23,034 INFO L290 TraceCheckUtils]: 49: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,034 INFO L290 TraceCheckUtils]: 48: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,034 INFO L290 TraceCheckUtils]: 47: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,034 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 08:49:23,035 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 08:49:23,035 INFO L290 TraceCheckUtils]: 44: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,035 INFO L290 TraceCheckUtils]: 43: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,035 INFO L290 TraceCheckUtils]: 42: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,035 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 08:49:23,036 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 08:49:23,036 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 08:49:23,037 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 08:49:23,037 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 08:49:23,037 INFO L290 TraceCheckUtils]: 36: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,037 INFO L290 TraceCheckUtils]: 35: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,038 INFO L290 TraceCheckUtils]: 34: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,038 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 08:49:23,038 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 08:49:23,038 INFO L290 TraceCheckUtils]: 31: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,038 INFO L290 TraceCheckUtils]: 30: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,038 INFO L290 TraceCheckUtils]: 29: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,038 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 08:49:23,039 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 08:49:23,039 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {12660#true} {12660#true} #85#return; {12660#true} is VALID [2022-04-15 08:49:23,039 INFO L290 TraceCheckUtils]: 25: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,039 INFO L290 TraceCheckUtils]: 24: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,039 INFO L290 TraceCheckUtils]: 23: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,039 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 08:49:23,039 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {12660#true} {12660#true} #83#return; {12660#true} is VALID [2022-04-15 08:49:23,039 INFO L290 TraceCheckUtils]: 20: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 19: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 18: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,040 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 08:49:23,040 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {12660#true} {12660#true} #81#return; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 15: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 14: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 13: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L272 TraceCheckUtils]: 12: Hoare triple {12660#true} call assume_abort_if_not((if ~y~0 >= 0 && ~y~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 11: Hoare triple {12660#true} assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~y~0 := #t~nondet5;havoc #t~nondet5; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {12660#true} {12660#true} #79#return; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 9: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 8: Hoare triple {12660#true} assume !(0 == ~cond); {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L290 TraceCheckUtils]: 7: Hoare triple {12660#true} ~cond := #in~cond; {12660#true} is VALID [2022-04-15 08:49:23,040 INFO L272 TraceCheckUtils]: 6: Hoare triple {12660#true} call assume_abort_if_not((if ~x~0 >= 0 && ~x~0 <= 20 then 1 else 0)); {12660#true} is VALID [2022-04-15 08:49:23,041 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 08:49:23,041 INFO L272 TraceCheckUtils]: 4: Hoare triple {12660#true} call #t~ret6 := main(); {12660#true} is VALID [2022-04-15 08:49:23,041 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12660#true} {12660#true} #103#return; {12660#true} is VALID [2022-04-15 08:49:23,041 INFO L290 TraceCheckUtils]: 2: Hoare triple {12660#true} assume true; {12660#true} is VALID [2022-04-15 08:49:23,041 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 08:49:23,041 INFO L272 TraceCheckUtils]: 0: Hoare triple {12660#true} call ULTIMATE.init(); {12660#true} is VALID [2022-04-15 08:49:23,041 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 08:49:23,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:49:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388722861] [2022-04-15 08:49:23,042 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:49:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369144740] [2022-04-15 08:49:23,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369144740] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:49:23,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:49:23,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 24 [2022-04-15 08:49:23,042 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:49:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1763197152] [2022-04-15 08:49:23,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1763197152] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:49:23,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:49:23,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-15 08:49:23,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416659510] [2022-04-15 08:49:23,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:49:23,043 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 08:49:23,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:49:23,043 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 08:49:23,108 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 08:49:23,109 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-15 08:49:23,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:23,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-15 08:49:23,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2022-04-15 08:49:23,109 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 08:49:26,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:26,352 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2022-04-15 08:49:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-15 08:49:26,352 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 08:49:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:49:26,352 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 08:49:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-15 08:49:26,354 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 08:49:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 117 transitions. [2022-04-15 08:49:26,355 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 117 transitions. [2022-04-15 08:49:26,493 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 08:49:26,496 INFO L225 Difference]: With dead ends: 162 [2022-04-15 08:49:26,496 INFO L226 Difference]: Without dead ends: 159 [2022-04-15 08:49:26,496 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2022-04-15 08:49:26,496 INFO L913 BasicCegarLoop]: 51 mSDtfsCounter, 31 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-04-15 08:49:26,497 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 291 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-15 08:49:26,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-04-15 08:49:26,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2022-04-15 08:49:26,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:49:26,774 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 08:49:26,774 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 08:49:26,775 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 08:49:26,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:26,778 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-15 08:49:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-15 08:49:26,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:26,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:26,779 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 08:49:26,779 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 08:49:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:26,782 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2022-04-15 08:49:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2022-04-15 08:49:26,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:26,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:26,782 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:49:26,782 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:49:26,783 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 08:49:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-04-15 08:49:26,786 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 113 [2022-04-15 08:49:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:49:26,786 INFO L478 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-04-15 08:49:26,786 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 08:49:26,786 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 157 states and 209 transitions. [2022-04-15 08:49:27,173 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 08:49:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-04-15 08:49:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-04-15 08:49:27,174 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:49:27,174 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 08:49:27,191 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 08:49:27,391 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 08:49:27,391 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:49:27,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:49:27,391 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 5 times [2022-04-15 08:49:27,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:27,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1981909214] [2022-04-15 08:49:27,392 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:49:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 884638574, now seen corresponding path program 6 times [2022-04-15 08:49:27,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:49:27,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506574631] [2022-04-15 08:49:27,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:49:27,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:49:27,401 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:49:27,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [601442066] [2022-04-15 08:49:27,402 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 08:49:27,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:49:27,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:49:27,403 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 08:49:27,404 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 08:49:27,459 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 08:49:27,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:49:27,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 08:49:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:49:27,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:49:27,753 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-15 08:49:27,753 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 08:49:27,753 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,753 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-15 08:49:27,753 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-15 08:49:27,753 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 08:49:27,753 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 08:49:27,753 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,753 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,753 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,753 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-15 08:49:27,754 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 08:49:27,754 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 08:49:27,754 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-15 08:49:27,754 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 08:49:27,754 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-15 08:49:27,754 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 08:49:27,754 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,754 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-15 08:49:27,755 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 08:49:27,755 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 08:49:27,755 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-15 08:49:27,755 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 08:49:27,755 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-15 08:49:27,755 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 08:49:27,756 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 08:49:27,756 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 08:49:27,756 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 08:49:27,756 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-15 08:49:27,756 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 08:49:27,756 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-15 08:49:27,756 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 08:49:27,756 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,756 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,757 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,757 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-15 08:49:27,757 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 08:49:27,757 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,757 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,757 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,757 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-15 08:49:27,763 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 08:49:27,764 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 08:49:27,764 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 08:49:27,764 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 08:49:27,765 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 08:49:27,765 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 08:49:27,765 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,765 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,765 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,765 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 08:49:27,765 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 08:49:27,766 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,766 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,766 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,766 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 08:49:27,766 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 08:49:27,766 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,766 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,767 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,767 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 08:49:27,767 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 08:49:27,767 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,767 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,767 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,768 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 08:49:27,769 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 08:49:27,769 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 08:49:27,769 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 08:49:27,769 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,769 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,769 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,770 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 08:49:27,770 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 08:49:27,770 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,770 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,770 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,771 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 08:49:27,771 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 08:49:27,771 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,771 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,771 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,771 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 08:49:27,772 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 08:49:27,772 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:27,772 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:27,772 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:27,772 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 08:49:27,772 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 08:49:27,773 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 08:49:27,773 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-15 08:49:27,773 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-15 08:49:27,774 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 08:49:27,774 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-15 08:49:27,774 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-15 08:49:27,774 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-15 08:49:27,774 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 08:49:27,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:49:28,058 INFO L290 TraceCheckUtils]: 115: Hoare triple {14326#false} assume !false; {14326#false} is VALID [2022-04-15 08:49:28,058 INFO L290 TraceCheckUtils]: 114: Hoare triple {14326#false} assume 0 == ~cond; {14326#false} is VALID [2022-04-15 08:49:28,058 INFO L290 TraceCheckUtils]: 113: Hoare triple {14326#false} ~cond := #in~cond; {14326#false} is VALID [2022-04-15 08:49:28,059 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 08:49:28,059 INFO L290 TraceCheckUtils]: 111: Hoare triple {14661#(< 0 main_~b~0)} assume !(0 != ~b~0); {14326#false} is VALID [2022-04-15 08:49:28,059 INFO L290 TraceCheckUtils]: 110: Hoare triple {14661#(< 0 main_~b~0)} assume !false; {14661#(< 0 main_~b~0)} is VALID [2022-04-15 08:49:28,060 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 08:49:28,060 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 08:49:28,060 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 08:49:28,060 INFO L290 TraceCheckUtils]: 106: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,061 INFO L290 TraceCheckUtils]: 105: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,061 INFO L290 TraceCheckUtils]: 104: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,061 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 08:49:28,069 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 08:49:28,069 INFO L290 TraceCheckUtils]: 101: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,069 INFO L290 TraceCheckUtils]: 100: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,069 INFO L290 TraceCheckUtils]: 99: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,069 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 08:49:28,070 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 08:49:28,070 INFO L290 TraceCheckUtils]: 96: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,070 INFO L290 TraceCheckUtils]: 95: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,070 INFO L290 TraceCheckUtils]: 94: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,070 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 08:49:28,071 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 08:49:28,071 INFO L290 TraceCheckUtils]: 91: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,071 INFO L290 TraceCheckUtils]: 90: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,071 INFO L290 TraceCheckUtils]: 89: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,071 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 08:49:28,071 INFO L290 TraceCheckUtils]: 87: Hoare triple {14591#(< 0 main_~c~0)} assume !false; {14591#(< 0 main_~c~0)} is VALID [2022-04-15 08:49:28,072 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 08:49:28,073 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 08:49:28,073 INFO L290 TraceCheckUtils]: 84: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,073 INFO L290 TraceCheckUtils]: 83: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,073 INFO L290 TraceCheckUtils]: 82: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,073 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 08:49:28,073 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 08:49:28,074 INFO L290 TraceCheckUtils]: 79: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,074 INFO L290 TraceCheckUtils]: 78: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,074 INFO L290 TraceCheckUtils]: 77: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,074 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 08:49:28,074 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 08:49:28,074 INFO L290 TraceCheckUtils]: 74: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,074 INFO L290 TraceCheckUtils]: 73: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,075 INFO L290 TraceCheckUtils]: 72: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,075 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 08:49:28,075 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 08:49:28,075 INFO L290 TraceCheckUtils]: 69: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,075 INFO L290 TraceCheckUtils]: 68: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,075 INFO L290 TraceCheckUtils]: 67: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,075 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 08:49:28,076 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 08:49:28,076 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 08:49:28,076 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 08:49:28,077 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 08:49:28,077 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 08:49:28,077 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {14325#true} {14325#true} #97#return; {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 59: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 58: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 57: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,077 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 08:49:28,077 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {14325#true} {14325#true} #95#return; {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 54: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 53: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,077 INFO L290 TraceCheckUtils]: 52: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,078 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 08:49:28,078 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {14325#true} {14325#true} #93#return; {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 49: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 48: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 47: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,078 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 08:49:28,078 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {14325#true} {14325#true} #91#return; {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 44: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 43: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L290 TraceCheckUtils]: 42: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,078 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 08:49:28,078 INFO L290 TraceCheckUtils]: 40: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 08:49:28,078 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 08:49:28,078 INFO L290 TraceCheckUtils]: 38: Hoare triple {14325#true} assume !false; {14325#true} is VALID [2022-04-15 08:49:28,078 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {14325#true} {14325#true} #89#return; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 36: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 35: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 34: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,079 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 08:49:28,079 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {14325#true} {14325#true} #87#return; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 31: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 30: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 29: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,079 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 08:49:28,079 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 08:49:28,079 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {14325#true} {14325#true} #85#return; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 25: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 24: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,079 INFO L290 TraceCheckUtils]: 23: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,080 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 08:49:28,080 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {14325#true} {14325#true} #83#return; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 20: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 19: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 18: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,080 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 08:49:28,080 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {14325#true} {14325#true} #81#return; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 15: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 14: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 13: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,080 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 08:49:28,080 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 08:49:28,080 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {14325#true} {14325#true} #79#return; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 9: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,080 INFO L290 TraceCheckUtils]: 8: Hoare triple {14325#true} assume !(0 == ~cond); {14325#true} is VALID [2022-04-15 08:49:28,081 INFO L290 TraceCheckUtils]: 7: Hoare triple {14325#true} ~cond := #in~cond; {14325#true} is VALID [2022-04-15 08:49:28,081 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 08:49:28,081 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 08:49:28,081 INFO L272 TraceCheckUtils]: 4: Hoare triple {14325#true} call #t~ret6 := main(); {14325#true} is VALID [2022-04-15 08:49:28,081 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14325#true} {14325#true} #103#return; {14325#true} is VALID [2022-04-15 08:49:28,081 INFO L290 TraceCheckUtils]: 2: Hoare triple {14325#true} assume true; {14325#true} is VALID [2022-04-15 08:49:28,081 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 08:49:28,081 INFO L272 TraceCheckUtils]: 0: Hoare triple {14325#true} call ULTIMATE.init(); {14325#true} is VALID [2022-04-15 08:49:28,081 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 08:49:28,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:49:28,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506574631] [2022-04-15 08:49:28,082 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:49:28,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601442066] [2022-04-15 08:49:28,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601442066] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:49:28,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:49:28,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-04-15 08:49:28,082 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:49:28,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1981909214] [2022-04-15 08:49:28,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1981909214] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:49:28,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:49:28,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-15 08:49:28,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998265954] [2022-04-15 08:49:28,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:49:28,083 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 08:49:28,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:49:28,083 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 08:49:28,138 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 08:49:28,139 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 08:49:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:28,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 08:49:28,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-15 08:49:28,139 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 08:49:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:29,239 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2022-04-15 08:49:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-15 08:49:29,239 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 08:49:29,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:49:29,240 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 08:49:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 08:49:29,243 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 08:49:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 126 transitions. [2022-04-15 08:49:29,245 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 126 transitions. [2022-04-15 08:49:29,352 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 08:49:29,356 INFO L225 Difference]: With dead ends: 211 [2022-04-15 08:49:29,356 INFO L226 Difference]: Without dead ends: 203 [2022-04-15 08:49:29,356 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 08:49:29,357 INFO L913 BasicCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 08:49:29,357 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 280 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 08:49:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-04-15 08:49:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 184. [2022-04-15 08:49:29,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:49:29,710 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 08:49:29,710 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 08:49:29,711 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 08:49:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:29,715 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-15 08:49:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-15 08:49:29,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:29,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:29,716 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 08:49:29,716 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 08:49:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:29,721 INFO L93 Difference]: Finished difference Result 203 states and 289 transitions. [2022-04-15 08:49:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 289 transitions. [2022-04-15 08:49:29,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:29,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:29,722 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:49:29,722 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:49:29,722 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 08:49:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-04-15 08:49:29,726 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 116 [2022-04-15 08:49:29,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:49:29,726 INFO L478 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-04-15 08:49:29,726 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 08:49:29,727 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 184 states and 256 transitions. [2022-04-15 08:49:30,208 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 08:49:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-04-15 08:49:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-04-15 08:49:30,209 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:49:30,209 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 08:49:30,227 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 08:49:30,411 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 08:49:30,411 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:49:30,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:49:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 3 times [2022-04-15 08:49:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:30,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [231749134] [2022-04-15 08:49:30,412 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:49:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -743412771, now seen corresponding path program 4 times [2022-04-15 08:49:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:49:30,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897294453] [2022-04-15 08:49:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:49:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:49:30,422 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:49:30,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221284386] [2022-04-15 08:49:30,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 08:49:30,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:49:30,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:49:30,423 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 08:49:30,424 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 08:49:30,474 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 08:49:30,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:49:30,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-15 08:49:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:49:30,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:49:30,724 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-15 08:49:30,724 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 08:49:30,724 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,724 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-15 08:49:30,724 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-15 08:49:30,725 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 08:49:30,725 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 08:49:30,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-15 08:49:30,725 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 08:49:30,725 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 08:49:30,725 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,725 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-15 08:49:30,725 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 08:49:30,725 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-15 08:49:30,726 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 08:49:30,726 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-15 08:49:30,726 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 08:49:30,726 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 08:49:30,726 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,726 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-15 08:49:30,727 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 08:49:30,727 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:30,727 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 08:49:30,727 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:30,727 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 08:49:30,727 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,727 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:30,727 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 08:49:30,728 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:30,728 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 08:49:30,728 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 08:49:30,728 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 08:49:30,728 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,728 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-15 08:49:30,729 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 08:49:30,729 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:30,729 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 08:49:30,729 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:30,729 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 08:49:30,729 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:30,729 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 08:49:30,729 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,729 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:30,730 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 08:49:30,730 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 08:49:30,730 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 08:49:30,730 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,730 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 08:49:30,730 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 08:49:30,730 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:30,730 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 08:49:30,731 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:30,731 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 08:49:30,731 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,731 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:30,731 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 08:49:30,731 INFO L290 TraceCheckUtils]: 99: Hoare triple {16242#true} ~cond := #in~cond; {16544#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:49:30,732 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 08:49:30,732 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 08:49:30,733 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 08:49:30,733 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 08:49:30,733 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,733 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,733 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,733 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 08:49:30,734 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 08:49:30,734 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 08:49:30,734 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 08:49:30,735 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 08:49:30,735 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 08:49:30,735 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 08:49:30,735 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:30,735 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:30,735 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:30,736 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 08:49:30,737 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 08:49:30,737 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 08:49:30,737 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-15 08:49:30,737 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-15 08:49:30,737 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 08:49:30,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:49:41,343 INFO L290 TraceCheckUtils]: 121: Hoare triple {16243#false} assume !false; {16243#false} is VALID [2022-04-15 08:49:41,343 INFO L290 TraceCheckUtils]: 120: Hoare triple {16609#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {16243#false} is VALID [2022-04-15 08:49:41,344 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 08:49:41,344 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 08:49:41,345 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 08:49:41,345 INFO L290 TraceCheckUtils]: 116: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,345 INFO L290 TraceCheckUtils]: 115: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,345 INFO L290 TraceCheckUtils]: 114: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,345 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 08:49:41,345 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 08:49:41,346 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 08:49:41,346 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 08:49:41,346 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 08:49:41,347 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 08:49:41,347 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 08:49:41,347 INFO L290 TraceCheckUtils]: 106: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,347 INFO L290 TraceCheckUtils]: 105: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,347 INFO L290 TraceCheckUtils]: 104: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,348 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 08:49:41,360 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 08:49:41,360 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 08:49:41,360 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 08:49:41,361 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 08:49:41,361 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 08:49:41,361 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:41,361 INFO L290 TraceCheckUtils]: 96: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,361 INFO L290 TraceCheckUtils]: 95: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,361 INFO L290 TraceCheckUtils]: 94: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,361 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 08:49:41,361 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:41,361 INFO L290 TraceCheckUtils]: 91: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 90: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 89: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,362 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 08:49:41,362 INFO L290 TraceCheckUtils]: 87: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:41,362 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 08:49:41,362 INFO L284 TraceCheckUtils]: 85: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 84: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 83: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 82: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,362 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 08:49:41,362 INFO L284 TraceCheckUtils]: 80: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 79: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 78: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,362 INFO L290 TraceCheckUtils]: 77: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,363 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 08:49:41,363 INFO L284 TraceCheckUtils]: 75: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 74: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 73: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 72: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,363 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 08:49:41,363 INFO L284 TraceCheckUtils]: 70: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 69: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 68: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,363 INFO L290 TraceCheckUtils]: 67: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,363 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 08:49:41,363 INFO L290 TraceCheckUtils]: 65: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:41,363 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 08:49:41,363 INFO L290 TraceCheckUtils]: 63: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:41,364 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 08:49:41,364 INFO L290 TraceCheckUtils]: 61: Hoare triple {16242#true} assume !(~c~0 >= ~b~0); {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {16242#true} {16242#true} #97#return; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 59: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 58: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 57: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,364 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 08:49:41,364 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {16242#true} {16242#true} #95#return; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 54: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 53: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 52: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,364 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 08:49:41,364 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {16242#true} {16242#true} #93#return; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 49: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,364 INFO L290 TraceCheckUtils]: 48: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 47: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,365 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 08:49:41,365 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {16242#true} {16242#true} #91#return; {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 44: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 43: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 42: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,365 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 08:49:41,365 INFO L290 TraceCheckUtils]: 40: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:41,365 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 08:49:41,365 INFO L290 TraceCheckUtils]: 38: Hoare triple {16242#true} assume !false; {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {16242#true} {16242#true} #89#return; {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 36: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 35: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,365 INFO L290 TraceCheckUtils]: 34: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,366 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 08:49:41,366 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {16242#true} {16242#true} #87#return; {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 31: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 30: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 29: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,366 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 08:49:41,366 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 08:49:41,366 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {16242#true} {16242#true} #85#return; {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 25: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 24: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 23: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,366 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 08:49:41,366 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {16242#true} {16242#true} #83#return; {16242#true} is VALID [2022-04-15 08:49:41,366 INFO L290 TraceCheckUtils]: 20: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 19: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 18: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,367 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 08:49:41,367 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {16242#true} {16242#true} #81#return; {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 15: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 14: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 13: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,367 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 08:49:41,367 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 08:49:41,367 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {16242#true} {16242#true} #79#return; {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 9: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 8: Hoare triple {16242#true} assume !(0 == ~cond); {16242#true} is VALID [2022-04-15 08:49:41,367 INFO L290 TraceCheckUtils]: 7: Hoare triple {16242#true} ~cond := #in~cond; {16242#true} is VALID [2022-04-15 08:49:41,367 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 08:49:41,367 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 08:49:41,368 INFO L272 TraceCheckUtils]: 4: Hoare triple {16242#true} call #t~ret6 := main(); {16242#true} is VALID [2022-04-15 08:49:41,368 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16242#true} {16242#true} #103#return; {16242#true} is VALID [2022-04-15 08:49:41,368 INFO L290 TraceCheckUtils]: 2: Hoare triple {16242#true} assume true; {16242#true} is VALID [2022-04-15 08:49:41,368 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 08:49:41,368 INFO L272 TraceCheckUtils]: 0: Hoare triple {16242#true} call ULTIMATE.init(); {16242#true} is VALID [2022-04-15 08:49:41,368 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 08:49:41,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:49:41,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897294453] [2022-04-15 08:49:41,368 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:49:41,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221284386] [2022-04-15 08:49:41,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221284386] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:49:41,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:49:41,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-04-15 08:49:41,369 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:49:41,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [231749134] [2022-04-15 08:49:41,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [231749134] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:49:41,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:49:41,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-15 08:49:41,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151591770] [2022-04-15 08:49:41,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:49:41,370 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 08:49:41,370 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:49:41,370 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 08:49:41,409 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 08:49:41,409 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 08:49:41,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:41,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 08:49:41,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-04-15 08:49:41,410 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 08:49:42,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:42,249 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2022-04-15 08:49:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 08:49:42,250 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 08:49:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:49:42,250 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 08:49:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 08:49:42,251 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 08:49:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2022-04-15 08:49:42,251 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2022-04-15 08:49:42,297 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 08:49:42,300 INFO L225 Difference]: With dead ends: 198 [2022-04-15 08:49:42,300 INFO L226 Difference]: Without dead ends: 195 [2022-04-15 08:49:42,301 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 08:49:42,301 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-15 08:49:42,301 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 156 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-15 08:49:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-04-15 08:49:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 194. [2022-04-15 08:49:42,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:49:42,635 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 08:49:42,640 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 08:49:42,640 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 08:49:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:42,644 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-15 08:49:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-15 08:49:42,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:42,645 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:42,645 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 08:49:42,645 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 08:49:42,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:49:42,649 INFO L93 Difference]: Finished difference Result 195 states and 263 transitions. [2022-04-15 08:49:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 263 transitions. [2022-04-15 08:49:42,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:49:42,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:49:42,650 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:49:42,650 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:49:42,650 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 08:49:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-04-15 08:49:42,654 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 122 [2022-04-15 08:49:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:49:42,654 INFO L478 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-04-15 08:49:42,654 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 08:49:42,654 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 194 states and 262 transitions. [2022-04-15 08:49:43,194 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 08:49:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-04-15 08:49:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-04-15 08:49:43,195 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:49:43,195 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 08:49:43,213 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 08:49:43,396 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 08:49:43,396 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:49:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:49:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 5 times [2022-04-15 08:49:43,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:49:43,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1146156337] [2022-04-15 08:49:43,397 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:49:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash 541794983, now seen corresponding path program 6 times [2022-04-15 08:49:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:49:43,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004837099] [2022-04-15 08:49:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:49:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:49:43,407 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:49:43,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896232951] [2022-04-15 08:49:43,407 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-15 08:49:43,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:49:43,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:49:43,408 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 08:49:43,409 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 08:49:43,478 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-04-15 08:49:43,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:49:43,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 82 conjunts are in the unsatisfiable core [2022-04-15 08:49:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:49:43,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:49:44,484 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-15 08:49:44,484 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 08:49:44,484 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,484 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-15 08:49:44,484 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-15 08:49:44,485 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 08:49:44,485 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 08:49:44,485 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-15 08:49:44,485 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 08:49:44,485 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 08:49:44,485 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-15 08:49:44,485 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 08:49:44,485 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,485 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,486 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,486 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-15 08:49:44,486 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 08:49:44,486 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,486 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,486 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,486 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-15 08:49:44,486 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 08:49:44,487 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 08:49:44,487 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,487 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,487 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,487 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 08:49:44,487 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 08:49:44,488 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,488 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,488 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,488 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 08:49:44,489 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 08:49:44,489 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 08:49:44,489 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 08:49:44,489 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 08:49:44,490 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,490 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,490 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,490 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 08:49:44,490 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 08:49:44,491 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:49:44,491 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 08:49:44,491 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 08:49:44,492 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 08:49:44,492 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 08:49:44,492 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,492 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,492 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,493 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 08:49:44,493 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 08:49:44,493 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,493 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,493 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,494 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 08:49:44,494 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 08:49:44,495 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 08:49:44,495 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 08:49:44,496 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 08:49:44,496 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 08:49:44,496 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 08:49:44,496 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,496 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,496 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,497 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 08:49:44,497 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 08:49:44,497 INFO L290 TraceCheckUtils]: 72: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:49:44,498 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 08:49:44,498 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 08:49:44,499 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 08:49:44,499 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 08:49:44,499 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,499 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,499 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,500 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 08:49:44,500 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 08:49:44,500 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,500 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,500 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,501 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 08:49:44,502 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 08:49:44,502 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 08:49:44,502 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 08:49:44,502 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,502 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,502 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,503 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 08:49:44,503 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 08:49:44,503 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,503 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,503 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,504 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 08:49:44,504 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 08:49:44,504 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,504 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,504 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,505 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 08:49:44,505 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 08:49:44,505 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:49:44,505 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:49:44,505 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:49:44,506 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 08:49:44,506 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 08:49:44,507 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 08:49:44,507 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 08:49:44,508 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 08:49:44,508 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 08:49:44,508 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 08:49:44,509 INFO L290 TraceCheckUtils]: 114: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:49:44,509 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 08:49:44,509 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 08:49:44,510 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 08:49:44,510 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 08:49:44,511 INFO L290 TraceCheckUtils]: 119: Hoare triple {18162#true} ~cond := #in~cond; {18310#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:49:44,511 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 08:49:44,511 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 08:49:44,513 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 08:49:44,513 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 08:49:44,514 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 08:49:44,514 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-15 08:49:44,514 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-15 08:49:44,515 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 08:49:44,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:51:04,701 INFO L290 TraceCheckUtils]: 126: Hoare triple {18163#false} assume !false; {18163#false} is VALID [2022-04-15 08:51:04,701 INFO L290 TraceCheckUtils]: 125: Hoare triple {18552#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {18163#false} is VALID [2022-04-15 08:51:04,701 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 08:51:04,702 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 08:51:04,703 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 08:51:04,703 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 08:51:04,703 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 08:51:04,704 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 08:51:04,704 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 08:51:04,704 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 08:51:04,705 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 08:51:04,705 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 08:51:04,705 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 08:51:04,705 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 08:51:04,706 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 08:51:04,706 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 08:51:04,707 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 08:51:04,723 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 08:51:04,724 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 08:51:04,725 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 08:51:04,725 INFO L290 TraceCheckUtils]: 106: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:04,725 INFO L290 TraceCheckUtils]: 105: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:04,725 INFO L290 TraceCheckUtils]: 104: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:04,725 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 08:51:04,725 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 08:51:04,726 INFO L290 TraceCheckUtils]: 101: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:04,726 INFO L290 TraceCheckUtils]: 100: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:04,726 INFO L290 TraceCheckUtils]: 99: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:04,726 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 08:51:04,726 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 08:51:04,726 INFO L290 TraceCheckUtils]: 96: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:04,727 INFO L290 TraceCheckUtils]: 95: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:04,727 INFO L290 TraceCheckUtils]: 94: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:04,727 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 08:51:04,727 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 08:51:04,727 INFO L290 TraceCheckUtils]: 91: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:04,727 INFO L290 TraceCheckUtils]: 90: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:04,727 INFO L290 TraceCheckUtils]: 89: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:04,728 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 08:51:04,728 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 08:51:05,182 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 08:51:05,183 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 08:51:05,183 INFO L290 TraceCheckUtils]: 84: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,183 INFO L290 TraceCheckUtils]: 83: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,183 INFO L290 TraceCheckUtils]: 82: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,183 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 08:51:05,184 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 08:51:05,184 INFO L290 TraceCheckUtils]: 79: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,184 INFO L290 TraceCheckUtils]: 78: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,184 INFO L290 TraceCheckUtils]: 77: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,184 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 08:51:05,185 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 08:51:05,185 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 08:51:05,185 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 08:51:05,186 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 08:51:05,186 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 08:51:05,186 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 08:51:05,187 INFO L290 TraceCheckUtils]: 69: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,187 INFO L290 TraceCheckUtils]: 68: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,187 INFO L290 TraceCheckUtils]: 67: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,187 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 08:51:05,187 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 08:51:05,188 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 08:51:05,188 INFO L290 TraceCheckUtils]: 63: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 08:51:05,188 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 08:51:05,188 INFO L290 TraceCheckUtils]: 61: Hoare triple {18162#true} assume !(~c~0 >= ~b~0); {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L284 TraceCheckUtils]: 60: Hoare quadruple {18162#true} {18162#true} #97#return; {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 59: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 58: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 57: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,188 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 08:51:05,188 INFO L284 TraceCheckUtils]: 55: Hoare quadruple {18162#true} {18162#true} #95#return; {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 54: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 53: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,188 INFO L290 TraceCheckUtils]: 52: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,189 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 08:51:05,189 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {18162#true} {18162#true} #93#return; {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 49: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 48: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 47: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,189 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 08:51:05,189 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {18162#true} {18162#true} #91#return; {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 44: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 43: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L290 TraceCheckUtils]: 42: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,189 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 08:51:05,189 INFO L290 TraceCheckUtils]: 40: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 08:51:05,189 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 08:51:05,189 INFO L290 TraceCheckUtils]: 38: Hoare triple {18162#true} assume !false; {18162#true} is VALID [2022-04-15 08:51:05,189 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {18162#true} {18162#true} #89#return; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 36: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 35: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 34: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,190 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 08:51:05,190 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {18162#true} {18162#true} #87#return; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 31: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 30: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 29: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,190 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 08:51:05,190 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 08:51:05,190 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {18162#true} {18162#true} #85#return; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 25: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 24: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,190 INFO L290 TraceCheckUtils]: 23: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,190 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 08:51:05,191 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {18162#true} {18162#true} #83#return; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 20: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 19: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 18: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,191 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 08:51:05,191 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {18162#true} {18162#true} #81#return; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 15: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 14: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 13: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,191 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 08:51:05,191 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 08:51:05,191 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {18162#true} {18162#true} #79#return; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 9: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,191 INFO L290 TraceCheckUtils]: 8: Hoare triple {18162#true} assume !(0 == ~cond); {18162#true} is VALID [2022-04-15 08:51:05,192 INFO L290 TraceCheckUtils]: 7: Hoare triple {18162#true} ~cond := #in~cond; {18162#true} is VALID [2022-04-15 08:51:05,192 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 08:51:05,192 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 08:51:05,192 INFO L272 TraceCheckUtils]: 4: Hoare triple {18162#true} call #t~ret6 := main(); {18162#true} is VALID [2022-04-15 08:51:05,192 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18162#true} {18162#true} #103#return; {18162#true} is VALID [2022-04-15 08:51:05,192 INFO L290 TraceCheckUtils]: 2: Hoare triple {18162#true} assume true; {18162#true} is VALID [2022-04-15 08:51:05,192 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 08:51:05,192 INFO L272 TraceCheckUtils]: 0: Hoare triple {18162#true} call ULTIMATE.init(); {18162#true} is VALID [2022-04-15 08:51:05,192 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 08:51:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:51:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004837099] [2022-04-15 08:51:05,193 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:51:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896232951] [2022-04-15 08:51:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896232951] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:51:05,193 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:51:05,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 22 [2022-04-15 08:51:05,193 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:51:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1146156337] [2022-04-15 08:51:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1146156337] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:51:05,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:51:05,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 08:51:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337098170] [2022-04-15 08:51:05,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:51:05,194 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 08:51:05,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:51:05,194 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 08:51:05,266 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 08:51:05,266 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 08:51:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:51:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 08:51:05,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2022-04-15 08:51:05,267 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 08:51:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:51:07,795 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2022-04-15 08:51:07,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-15 08:51:07,795 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 08:51:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:51:07,796 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 08:51:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-15 08:51:07,797 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 08:51:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 135 transitions. [2022-04-15 08:51:07,799 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 135 transitions. [2022-04-15 08:51:07,947 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 08:51:07,951 INFO L225 Difference]: With dead ends: 265 [2022-04-15 08:51:07,951 INFO L226 Difference]: Without dead ends: 263 [2022-04-15 08:51:07,952 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-04-15 08:51:07,952 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 38 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-15 08:51:07,952 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 311 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-15 08:51:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-04-15 08:51:08,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 260. [2022-04-15 08:51:08,452 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:51:08,452 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 08:51:08,452 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 08:51:08,453 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 08:51:08,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:51:08,458 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-15 08:51:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-15 08:51:08,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:51:08,458 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:51:08,459 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 08:51:08,459 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 08:51:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:51:08,464 INFO L93 Difference]: Finished difference Result 263 states and 353 transitions. [2022-04-15 08:51:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 353 transitions. [2022-04-15 08:51:08,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:51:08,465 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:51:08,465 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:51:08,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:51:08,465 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 08:51:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 350 transitions. [2022-04-15 08:51:08,470 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 350 transitions. Word has length 127 [2022-04-15 08:51:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:51:08,471 INFO L478 AbstractCegarLoop]: Abstraction has 260 states and 350 transitions. [2022-04-15 08:51:08,471 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 08:51:08,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 260 states and 350 transitions. [2022-04-15 08:51:09,202 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 08:51:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 350 transitions. [2022-04-15 08:51:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-04-15 08:51:09,206 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:51:09,206 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 08:51:09,223 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 08:51:09,431 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 08:51:09,433 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:51:09,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:51:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 7 times [2022-04-15 08:51:09,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:51:09,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [276959802] [2022-04-15 08:51:09,434 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:51:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2138166692, now seen corresponding path program 8 times [2022-04-15 08:51:09,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:51:09,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105581614] [2022-04-15 08:51:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:51:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:51:09,445 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:51:09,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491475953] [2022-04-15 08:51:09,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:51:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:51:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:51:09,446 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 08:51:09,447 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 08:51:09,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:51:09,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:51:09,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-15 08:51:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:51:09,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:51:18,412 INFO L272 TraceCheckUtils]: 0: Hoare triple {20527#true} call ULTIMATE.init(); {20527#true} is VALID [2022-04-15 08:51:18,412 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 08:51:18,412 INFO L290 TraceCheckUtils]: 2: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,412 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20527#true} {20527#true} #103#return; {20527#true} is VALID [2022-04-15 08:51:18,412 INFO L272 TraceCheckUtils]: 4: Hoare triple {20527#true} call #t~ret6 := main(); {20527#true} is VALID [2022-04-15 08:51:18,412 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 08:51:18,412 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 08:51:18,412 INFO L290 TraceCheckUtils]: 7: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,412 INFO L290 TraceCheckUtils]: 8: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,412 INFO L290 TraceCheckUtils]: 9: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,413 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {20527#true} {20527#true} #79#return; {20527#true} is VALID [2022-04-15 08:51:18,413 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 08:51:18,413 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 08:51:18,413 INFO L290 TraceCheckUtils]: 13: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,413 INFO L290 TraceCheckUtils]: 14: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,413 INFO L290 TraceCheckUtils]: 15: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,413 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {20527#true} {20527#true} #81#return; {20527#true} is VALID [2022-04-15 08:51:18,413 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 08:51:18,413 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 08:51:18,414 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 08:51:18,414 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 08:51:18,414 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 08:51:18,414 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 08:51:18,414 INFO L290 TraceCheckUtils]: 23: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,414 INFO L290 TraceCheckUtils]: 24: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,415 INFO L290 TraceCheckUtils]: 25: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,415 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 08:51:18,415 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 08:51:18,415 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 08:51:18,416 INFO L290 TraceCheckUtils]: 29: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,416 INFO L290 TraceCheckUtils]: 30: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,416 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,416 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 08:51:18,416 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 08:51:18,416 INFO L290 TraceCheckUtils]: 34: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,416 INFO L290 TraceCheckUtils]: 35: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,417 INFO L290 TraceCheckUtils]: 36: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,417 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 08:51:18,418 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 08:51:18,418 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 08:51:18,418 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 08:51:18,418 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 08:51:18,419 INFO L290 TraceCheckUtils]: 42: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,419 INFO L290 TraceCheckUtils]: 43: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,419 INFO L290 TraceCheckUtils]: 44: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,419 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 08:51:18,419 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 08:51:18,420 INFO L290 TraceCheckUtils]: 47: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,420 INFO L290 TraceCheckUtils]: 48: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,420 INFO L290 TraceCheckUtils]: 49: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,420 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 08:51:18,420 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 08:51:18,420 INFO L290 TraceCheckUtils]: 52: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,421 INFO L290 TraceCheckUtils]: 53: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,421 INFO L290 TraceCheckUtils]: 54: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,421 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 08:51:18,421 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 08:51:18,421 INFO L290 TraceCheckUtils]: 57: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,421 INFO L290 TraceCheckUtils]: 58: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,422 INFO L290 TraceCheckUtils]: 59: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,422 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 08:51:18,423 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 08:51:18,424 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 08:51:18,424 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 08:51:18,424 INFO L290 TraceCheckUtils]: 64: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:51:18,424 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 08:51:18,425 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 08:51:18,425 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 08:51:18,425 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 08:51:18,426 INFO L290 TraceCheckUtils]: 69: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,426 INFO L290 TraceCheckUtils]: 70: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,426 INFO L290 TraceCheckUtils]: 71: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,426 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 08:51:18,426 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 08:51:18,426 INFO L290 TraceCheckUtils]: 74: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,427 INFO L290 TraceCheckUtils]: 75: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,427 INFO L290 TraceCheckUtils]: 76: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,427 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 08:51:18,427 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 08:51:18,427 INFO L290 TraceCheckUtils]: 79: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,427 INFO L290 TraceCheckUtils]: 80: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,427 INFO L290 TraceCheckUtils]: 81: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,428 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 08:51:18,429 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 08:51:18,430 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 08:51:18,430 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 08:51:18,430 INFO L290 TraceCheckUtils]: 86: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:51:18,430 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 08:51:18,430 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 08:51:18,432 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 08:51:18,433 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 08:51:18,433 INFO L290 TraceCheckUtils]: 91: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,433 INFO L290 TraceCheckUtils]: 92: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,433 INFO L290 TraceCheckUtils]: 93: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,433 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 08:51:18,434 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 08:51:18,434 INFO L290 TraceCheckUtils]: 96: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:51:18,434 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 08:51:18,434 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 08:51:18,435 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 08:51:18,435 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 08:51:18,435 INFO L290 TraceCheckUtils]: 101: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:51:18,436 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 08:51:18,436 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 08:51:18,436 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 08:51:18,437 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 08:51:18,439 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 08:51:18,439 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 08:51:18,440 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 08:51:18,440 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 08:51:18,440 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 08:51:18,440 INFO L290 TraceCheckUtils]: 111: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,441 INFO L290 TraceCheckUtils]: 112: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,441 INFO L290 TraceCheckUtils]: 113: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,441 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 08:51:18,441 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 08:51:18,441 INFO L290 TraceCheckUtils]: 116: Hoare triple {20527#true} ~cond := #in~cond; {20527#true} is VALID [2022-04-15 08:51:18,441 INFO L290 TraceCheckUtils]: 117: Hoare triple {20527#true} assume !(0 == ~cond); {20527#true} is VALID [2022-04-15 08:51:18,441 INFO L290 TraceCheckUtils]: 118: Hoare triple {20527#true} assume true; {20527#true} is VALID [2022-04-15 08:51:18,442 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 08:51:18,442 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 08:51:18,442 INFO L290 TraceCheckUtils]: 121: Hoare triple {20527#true} ~cond := #in~cond; {20730#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:51:18,443 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 08:51:18,443 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 08:51:18,443 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 08:51:18,445 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 08:51:18,446 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 08:51:18,446 INFO L290 TraceCheckUtils]: 127: Hoare triple {20923#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {20528#false} is VALID [2022-04-15 08:51:18,446 INFO L290 TraceCheckUtils]: 128: Hoare triple {20528#false} assume !false; {20528#false} is VALID [2022-04-15 08:51:18,447 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 08:51:18,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:53:51,655 WARN L914 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-15 08:53:56,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:53:56,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105581614] [2022-04-15 08:53:56,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:53:56,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491475953] [2022-04-15 08:53:56,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491475953] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 08:53:56,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 08:53:56,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-04-15 08:53:56,682 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:53:56,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [276959802] [2022-04-15 08:53:56,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [276959802] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:53:56,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:53:56,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 08:53:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556545746] [2022-04-15 08:53:56,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:53:56,683 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 08:53:56,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:53:56,683 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 08:53:56,770 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 08:53:56,771 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 08:53:56,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:53:56,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 08:53:56,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=437, Unknown=1, NotChecked=0, Total=552 [2022-04-15 08:53:56,771 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 08:54:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:54:02,136 INFO L93 Difference]: Finished difference Result 268 states and 357 transitions. [2022-04-15 08:54:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-15 08:54:02,137 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 08:54:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:54:02,137 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 08:54:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-15 08:54:02,138 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 08:54:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 113 transitions. [2022-04-15 08:54:02,139 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 113 transitions. [2022-04-15 08:54:02,320 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 08:54:02,325 INFO L225 Difference]: With dead ends: 268 [2022-04-15 08:54:02,325 INFO L226 Difference]: Without dead ends: 266 [2022-04-15 08:54:02,326 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=159, Invalid=652, Unknown=1, NotChecked=0, Total=812 [2022-04-15 08:54:02,326 INFO L913 BasicCegarLoop]: 43 mSDtfsCounter, 39 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-15 08:54:02,326 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 193 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-04-15 08:54:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-04-15 08:54:02,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 264. [2022-04-15 08:54:02,894 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:54:02,907 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 08:54:02,908 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 08:54:02,908 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 08:54:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:54:02,913 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-15 08:54:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-15 08:54:02,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:54:02,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:54:02,914 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 08:54:02,915 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 08:54:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:54:02,920 INFO L93 Difference]: Finished difference Result 266 states and 355 transitions. [2022-04-15 08:54:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 355 transitions. [2022-04-15 08:54:02,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:54:02,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:54:02,921 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:54:02,921 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:54:02,922 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 08:54:02,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 353 transitions. [2022-04-15 08:54:02,928 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 353 transitions. Word has length 129 [2022-04-15 08:54:02,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:54:02,928 INFO L478 AbstractCegarLoop]: Abstraction has 264 states and 353 transitions. [2022-04-15 08:54:02,928 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 08:54:02,928 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 264 states and 353 transitions. [2022-04-15 08:54:03,739 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 08:54:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 353 transitions. [2022-04-15 08:54:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-04-15 08:54:03,740 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:54:03,740 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 08:54:03,758 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 08:54:03,941 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 08:54:03,941 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:54:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:54:03,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 9 times [2022-04-15 08:54:03,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:54:03,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [946213418] [2022-04-15 08:54:03,942 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:54:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1899875875, now seen corresponding path program 10 times [2022-04-15 08:54:03,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:54:03,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956453631] [2022-04-15 08:54:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:54:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:54:03,952 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:54:03,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901704732] [2022-04-15 08:54:03,953 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-15 08:54:03,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:54:03,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:54:03,953 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 08:54:03,954 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 08:54:04,020 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-15 08:54:04,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:54:04,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-15 08:54:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:54:04,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:54:06,061 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-15 08:54:06,061 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 08:54:06,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,061 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-15 08:54:06,062 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 08:54:06,062 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 08:54:06,062 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-15 08:54:06,062 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 08:54:06,062 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 08:54:06,062 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,062 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-15 08:54:06,062 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 08:54:06,062 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-15 08:54:06,063 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 08:54:06,063 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,063 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-15 08:54:06,064 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 08:54:06,064 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 08:54:06,064 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,064 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,064 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,064 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 08:54:06,065 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 08:54:06,065 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,065 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,065 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,065 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 08:54:06,066 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 08:54:06,066 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 08:54:06,067 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 08:54:06,067 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 08:54:06,067 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,067 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,067 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,068 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 08:54:06,068 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 08:54:06,068 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,068 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,068 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,069 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 08:54:06,069 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 08:54:06,069 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:54:06,069 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 08:54:06,070 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 08:54:06,070 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 08:54:06,070 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 08:54:06,071 INFO L290 TraceCheckUtils]: 57: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:54:06,077 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 08:54:06,077 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 08:54:06,079 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 08:54:06,079 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 08:54:06,080 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 08:54:06,081 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 08:54:06,081 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 08:54:06,082 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 08:54:06,082 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 08:54:06,082 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,082 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,082 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,083 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 08:54:06,083 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 08:54:06,083 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,083 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,083 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,084 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 08:54:06,084 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 08:54:06,085 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,085 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,085 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,086 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 08:54:06,086 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 08:54:06,086 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,086 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,086 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,087 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 08:54:06,089 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 08:54:06,090 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 08:54:06,090 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 08:54:06,090 INFO L290 TraceCheckUtils]: 89: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:54:06,091 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 08:54:06,091 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 08:54:06,092 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 08:54:06,092 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 08:54:06,092 INFO L290 TraceCheckUtils]: 94: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:54:06,093 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 08:54:06,093 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 08:54:06,097 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 08:54:06,097 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 08:54:06,097 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,097 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,097 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,098 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 08:54:06,098 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 08:54:06,098 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,098 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,098 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,099 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 08:54:06,100 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 08:54:06,102 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 08:54:06,103 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 08:54:06,104 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 08:54:06,104 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 08:54:06,104 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 08:54:06,104 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,104 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,104 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,105 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 08:54:06,105 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 08:54:06,105 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:54:06,105 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:54:06,106 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:54:06,106 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 08:54:06,106 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 08:54:06,107 INFO L290 TraceCheckUtils]: 124: Hoare triple {22663#true} ~cond := #in~cond; {22826#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:54:06,107 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 08:54:06,107 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 08:54:06,108 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 08:54:06,111 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 08:54:06,111 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 08:54:06,111 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-15 08:54:06,111 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-15 08:54:06,112 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 08:54:06,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 08:56:30,302 INFO L290 TraceCheckUtils]: 131: Hoare triple {22664#false} assume !false; {22664#false} is VALID [2022-04-15 08:56:30,303 INFO L290 TraceCheckUtils]: 130: Hoare triple {23068#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {22664#false} is VALID [2022-04-15 08:56:30,304 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 08:56:30,304 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 08:56:30,305 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 08:56:30,305 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 08:56:30,306 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 08:56:30,306 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 08:56:30,306 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 08:56:30,307 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 08:56:30,307 INFO L290 TraceCheckUtils]: 121: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:30,307 INFO L290 TraceCheckUtils]: 120: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:30,307 INFO L290 TraceCheckUtils]: 119: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:30,307 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 08:56:30,308 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 08:56:30,308 INFO L290 TraceCheckUtils]: 116: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:30,308 INFO L290 TraceCheckUtils]: 115: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:30,308 INFO L290 TraceCheckUtils]: 114: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:30,308 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 08:56:30,308 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 08:56:30,309 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 08:56:30,309 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 08:56:32,313 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 08:56:32,314 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 08:56:32,314 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 08:56:32,314 INFO L290 TraceCheckUtils]: 106: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,314 INFO L290 TraceCheckUtils]: 105: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,315 INFO L290 TraceCheckUtils]: 104: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,315 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 08:56:32,315 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 08:56:32,315 INFO L290 TraceCheckUtils]: 101: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,315 INFO L290 TraceCheckUtils]: 100: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,316 INFO L290 TraceCheckUtils]: 99: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,316 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 08:56:32,317 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 08:56:32,317 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 08:56:32,317 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 08:56:32,317 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 08:56:32,318 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 08:56:32,319 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 08:56:32,319 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 08:56:32,319 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 08:56:32,319 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 08:56:32,320 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 08:56:32,320 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 08:56:32,436 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 08:56:32,437 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 08:56:32,438 INFO L290 TraceCheckUtils]: 84: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,438 INFO L290 TraceCheckUtils]: 83: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,438 INFO L290 TraceCheckUtils]: 82: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,438 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 08:56:32,438 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 08:56:32,439 INFO L290 TraceCheckUtils]: 79: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,439 INFO L290 TraceCheckUtils]: 78: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,439 INFO L290 TraceCheckUtils]: 77: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,439 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 08:56:32,441 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 08:56:32,441 INFO L290 TraceCheckUtils]: 74: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,441 INFO L290 TraceCheckUtils]: 73: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,441 INFO L290 TraceCheckUtils]: 72: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,441 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 08:56:32,443 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 08:56:32,443 INFO L290 TraceCheckUtils]: 69: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:32,443 INFO L290 TraceCheckUtils]: 68: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:32,443 INFO L290 TraceCheckUtils]: 67: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:32,444 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 08:56:32,444 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 08:56:32,447 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 08:56:32,448 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 08:56:34,450 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 08:56:34,451 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 08:56:34,453 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 08:56:34,453 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 08:56:34,453 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 08:56:34,454 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 08:56:34,454 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 08:56:34,454 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 08:56:34,455 INFO L290 TraceCheckUtils]: 54: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,455 INFO L290 TraceCheckUtils]: 53: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,455 INFO L290 TraceCheckUtils]: 52: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,455 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 08:56:34,456 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 08:56:34,456 INFO L290 TraceCheckUtils]: 49: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,456 INFO L290 TraceCheckUtils]: 48: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,456 INFO L290 TraceCheckUtils]: 47: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,456 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 08:56:34,457 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 08:56:34,457 INFO L290 TraceCheckUtils]: 44: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,457 INFO L290 TraceCheckUtils]: 43: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,457 INFO L290 TraceCheckUtils]: 42: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,457 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 08:56:34,458 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 08:56:34,459 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 08:56:34,460 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 08:56:34,460 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 08:56:34,461 INFO L290 TraceCheckUtils]: 36: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,461 INFO L290 TraceCheckUtils]: 35: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,461 INFO L290 TraceCheckUtils]: 34: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,461 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 08:56:34,461 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 08:56:34,461 INFO L290 TraceCheckUtils]: 31: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,462 INFO L290 TraceCheckUtils]: 30: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,462 INFO L290 TraceCheckUtils]: 29: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,462 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 08:56:34,463 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 08:56:34,463 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {22663#true} {22663#true} #85#return; {22663#true} is VALID [2022-04-15 08:56:34,463 INFO L290 TraceCheckUtils]: 25: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,463 INFO L290 TraceCheckUtils]: 24: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 23: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,464 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 08:56:34,464 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {22663#true} {22663#true} #83#return; {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 20: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 19: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 18: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,464 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 08:56:34,464 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {22663#true} {22663#true} #81#return; {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 15: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 14: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 13: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,464 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 08:56:34,464 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 08:56:34,464 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {22663#true} {22663#true} #79#return; {22663#true} is VALID [2022-04-15 08:56:34,464 INFO L290 TraceCheckUtils]: 9: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,465 INFO L290 TraceCheckUtils]: 8: Hoare triple {22663#true} assume !(0 == ~cond); {22663#true} is VALID [2022-04-15 08:56:34,465 INFO L290 TraceCheckUtils]: 7: Hoare triple {22663#true} ~cond := #in~cond; {22663#true} is VALID [2022-04-15 08:56:34,465 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 08:56:34,465 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 08:56:34,465 INFO L272 TraceCheckUtils]: 4: Hoare triple {22663#true} call #t~ret6 := main(); {22663#true} is VALID [2022-04-15 08:56:34,465 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22663#true} {22663#true} #103#return; {22663#true} is VALID [2022-04-15 08:56:34,465 INFO L290 TraceCheckUtils]: 2: Hoare triple {22663#true} assume true; {22663#true} is VALID [2022-04-15 08:56:34,465 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 08:56:34,465 INFO L272 TraceCheckUtils]: 0: Hoare triple {22663#true} call ULTIMATE.init(); {22663#true} is VALID [2022-04-15 08:56:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 114 proven. 87 refuted. 1 times theorem prover too weak. 348 trivial. 0 not checked. [2022-04-15 08:56:34,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 08:56:34,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956453631] [2022-04-15 08:56:34,466 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 08:56:34,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901704732] [2022-04-15 08:56:34,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901704732] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 08:56:34,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 08:56:34,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 29 [2022-04-15 08:56:34,467 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 08:56:34,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [946213418] [2022-04-15 08:56:34,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [946213418] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 08:56:34,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 08:56:34,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-15 08:56:34,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126420464] [2022-04-15 08:56:34,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 08:56:34,467 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 08:56:34,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 08:56:34,468 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 08:56:34,567 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 08:56:34,568 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-15 08:56:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 08:56:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-15 08:56:34,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=630, Unknown=1, NotChecked=0, Total=812 [2022-04-15 08:56:34,568 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 08:56:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:56:41,900 INFO L93 Difference]: Finished difference Result 281 states and 367 transitions. [2022-04-15 08:56:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-15 08:56:41,901 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 08:56:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 08:56:41,901 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 08:56:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-15 08:56:41,902 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 08:56:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 125 transitions. [2022-04-15 08:56:41,904 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 125 transitions. [2022-04-15 08:56:42,096 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 08:56:42,101 INFO L225 Difference]: With dead ends: 281 [2022-04-15 08:56:42,101 INFO L226 Difference]: Without dead ends: 279 [2022-04-15 08:56:42,101 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 232 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=260, Invalid=929, Unknown=1, NotChecked=0, Total=1190 [2022-04-15 08:56:42,102 INFO L913 BasicCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-04-15 08:56:42,102 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 266 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-15 08:56:42,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-04-15 08:56:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 243. [2022-04-15 08:56:42,641 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 08:56:42,641 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 08:56:42,642 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 08:56:42,642 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 08:56:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:56:42,647 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-15 08:56:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-15 08:56:42,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:56:42,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:56:42,648 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 08:56:42,648 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 08:56:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 08:56:42,652 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2022-04-15 08:56:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 365 transitions. [2022-04-15 08:56:42,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 08:56:42,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 08:56:42,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 08:56:42,653 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 08:56:42,653 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 08:56:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 318 transitions. [2022-04-15 08:56:42,658 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 318 transitions. Word has length 132 [2022-04-15 08:56:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 08:56:42,658 INFO L478 AbstractCegarLoop]: Abstraction has 243 states and 318 transitions. [2022-04-15 08:56:42,658 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 08:56:42,658 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 243 states and 318 transitions. [2022-04-15 08:56:43,380 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 08:56:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 318 transitions. [2022-04-15 08:56:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-04-15 08:56:43,381 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 08:56:43,381 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 08:56:43,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-04-15 08:56:43,582 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 08:56:43,582 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 08:56:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 08:56:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 7 times [2022-04-15 08:56:43,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 08:56:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1974464311] [2022-04-15 08:56:43,583 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 08:56:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1068997356, now seen corresponding path program 8 times [2022-04-15 08:56:43,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 08:56:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255095921] [2022-04-15 08:56:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 08:56:43,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 08:56:43,606 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 08:56:43,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206232894] [2022-04-15 08:56:43,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 08:56:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 08:56:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 08:56:43,613 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 08:56:43,615 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 08:56:43,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 08:56:43,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 08:56:43,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-15 08:56:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 08:56:43,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 08:56:44,813 INFO L272 TraceCheckUtils]: 0: Hoare triple {25101#true} call ULTIMATE.init(); {25101#true} is VALID [2022-04-15 08:56:44,813 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 08:56:44,813 INFO L290 TraceCheckUtils]: 2: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,813 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25101#true} {25101#true} #103#return; {25101#true} is VALID [2022-04-15 08:56:44,813 INFO L272 TraceCheckUtils]: 4: Hoare triple {25101#true} call #t~ret6 := main(); {25101#true} is VALID [2022-04-15 08:56:44,813 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 08:56:44,814 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 08:56:44,814 INFO L290 TraceCheckUtils]: 7: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 8: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 9: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {25101#true} {25101#true} #79#return; {25101#true} is VALID [2022-04-15 08:56:44,814 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 08:56:44,814 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 08:56:44,814 INFO L290 TraceCheckUtils]: 13: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 14: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 15: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {25101#true} {25101#true} #81#return; {25101#true} is VALID [2022-04-15 08:56:44,814 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 08:56:44,814 INFO L290 TraceCheckUtils]: 18: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 19: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,814 INFO L290 TraceCheckUtils]: 20: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,815 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {25101#true} {25101#true} #83#return; {25101#true} is VALID [2022-04-15 08:56:44,815 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 08:56:44,815 INFO L290 TraceCheckUtils]: 23: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,815 INFO L290 TraceCheckUtils]: 24: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,815 INFO L290 TraceCheckUtils]: 25: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,815 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {25101#true} {25101#true} #85#return; {25101#true} is VALID [2022-04-15 08:56:44,815 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 08:56:44,815 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 08:56:44,815 INFO L290 TraceCheckUtils]: 29: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,816 INFO L290 TraceCheckUtils]: 30: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,816 INFO L290 TraceCheckUtils]: 31: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,816 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 08:56:44,816 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 08:56:44,816 INFO L290 TraceCheckUtils]: 34: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,816 INFO L290 TraceCheckUtils]: 35: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,817 INFO L290 TraceCheckUtils]: 36: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,817 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 08:56:44,817 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 08:56:44,818 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 08:56:44,818 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 08:56:44,818 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 08:56:44,818 INFO L290 TraceCheckUtils]: 42: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,819 INFO L290 TraceCheckUtils]: 43: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,819 INFO L290 TraceCheckUtils]: 44: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,819 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 08:56:44,819 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 08:56:44,819 INFO L290 TraceCheckUtils]: 47: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,820 INFO L290 TraceCheckUtils]: 48: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,820 INFO L290 TraceCheckUtils]: 49: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,820 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 08:56:44,820 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 08:56:44,821 INFO L290 TraceCheckUtils]: 52: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,821 INFO L290 TraceCheckUtils]: 53: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,821 INFO L290 TraceCheckUtils]: 54: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,821 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 08:56:44,821 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 08:56:44,821 INFO L290 TraceCheckUtils]: 57: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,821 INFO L290 TraceCheckUtils]: 58: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,822 INFO L290 TraceCheckUtils]: 59: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,822 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 08:56:44,823 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 08:56:44,823 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 08:56:44,824 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 08:56:44,824 INFO L290 TraceCheckUtils]: 64: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,824 INFO L290 TraceCheckUtils]: 65: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,824 INFO L290 TraceCheckUtils]: 66: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,825 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 08:56:44,825 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 08:56:44,825 INFO L290 TraceCheckUtils]: 69: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,825 INFO L290 TraceCheckUtils]: 70: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,825 INFO L290 TraceCheckUtils]: 71: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,826 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 08:56:44,826 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 08:56:44,826 INFO L290 TraceCheckUtils]: 74: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,826 INFO L290 TraceCheckUtils]: 75: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,826 INFO L290 TraceCheckUtils]: 76: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,827 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 08:56:44,827 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 08:56:44,827 INFO L290 TraceCheckUtils]: 79: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,827 INFO L290 TraceCheckUtils]: 80: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,827 INFO L290 TraceCheckUtils]: 81: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,828 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 08:56:44,829 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 08:56:44,829 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 08:56:44,830 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 08:56:44,830 INFO L290 TraceCheckUtils]: 86: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,830 INFO L290 TraceCheckUtils]: 87: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,830 INFO L290 TraceCheckUtils]: 88: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,830 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 08:56:44,830 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 08:56:44,831 INFO L290 TraceCheckUtils]: 91: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,831 INFO L290 TraceCheckUtils]: 92: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,831 INFO L290 TraceCheckUtils]: 93: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,831 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 08:56:44,831 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 08:56:44,831 INFO L290 TraceCheckUtils]: 96: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,831 INFO L290 TraceCheckUtils]: 97: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,832 INFO L290 TraceCheckUtils]: 98: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,832 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 08:56:44,832 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 08:56:44,832 INFO L290 TraceCheckUtils]: 101: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,832 INFO L290 TraceCheckUtils]: 102: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,832 INFO L290 TraceCheckUtils]: 103: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,833 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 08:56:44,834 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 08:56:44,834 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 08:56:44,834 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 08:56:44,835 INFO L290 TraceCheckUtils]: 108: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:56:44,835 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 08:56:44,835 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 08:56:44,836 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 08:56:44,836 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 08:56:44,836 INFO L290 TraceCheckUtils]: 113: Hoare triple {25101#true} ~cond := #in~cond; {25435#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 08:56:44,837 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 08:56:44,837 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 08:56:44,838 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 08:56:44,838 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 08:56:44,838 INFO L290 TraceCheckUtils]: 118: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,838 INFO L290 TraceCheckUtils]: 119: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,838 INFO L290 TraceCheckUtils]: 120: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,839 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 08:56:44,839 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 08:56:44,839 INFO L290 TraceCheckUtils]: 123: Hoare triple {25101#true} ~cond := #in~cond; {25101#true} is VALID [2022-04-15 08:56:44,839 INFO L290 TraceCheckUtils]: 124: Hoare triple {25101#true} assume !(0 == ~cond); {25101#true} is VALID [2022-04-15 08:56:44,839 INFO L290 TraceCheckUtils]: 125: Hoare triple {25101#true} assume true; {25101#true} is VALID [2022-04-15 08:56:44,840 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 08:56:44,840 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 08:56:44,841 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 08:56:44,841 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 08:56:44,842 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 08:56:44,842 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 08:56:44,843 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 08:56:44,843 INFO L290 TraceCheckUtils]: 133: Hoare triple {25514#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {25102#false} is VALID [2022-04-15 08:56:44,843 INFO L290 TraceCheckUtils]: 134: Hoare triple {25102#false} assume !false; {25102#false} is VALID [2022-04-15 08:56:44,843 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 08:56:44,844 INFO L328 TraceCheckSpWp]: Computing backward predicates...