/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/bitvector/jain_5-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:37:37,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:37:37,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:37:37,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:37:37,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:37:37,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:37:37,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:37:37,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 22:37:37,891 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:37:37,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:37:37,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:37:37,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:37:37,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:37:37,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:37:37,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:37:37,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:37:37,893 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:37:37,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:37:37,894 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:37:37,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:37:37,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:37:37,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:37:37,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:37:37,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:37:37,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:37:37,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:37:37,896 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:37:37,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:37:37,897 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:37:37,897 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:37:38,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:37:38,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:37:38,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:37:38,111 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:37:38,112 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:37:38,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_5-2.c [2023-03-30 22:37:39,105 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:37:39,244 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:37:39,244 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_5-2.c [2023-03-30 22:37:39,248 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fbf6f92/e330ab8f7c024dfa84911de288b05536/FLAGe0df6c9f8 [2023-03-30 22:37:39,262 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fbf6f92/e330ab8f7c024dfa84911de288b05536 [2023-03-30 22:37:39,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:37:39,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:37:39,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:37:39,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:37:39,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:37:39,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f0e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39, skipping insertion in model container [2023-03-30 22:37:39,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:37:39,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:37:39,373 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_5-2.c[665,678] [2023-03-30 22:37:39,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:37:39,391 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:37:39,399 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_5-2.c[665,678] [2023-03-30 22:37:39,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:37:39,410 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:37:39,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39 WrapperNode [2023-03-30 22:37:39,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:37:39,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:37:39,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:37:39,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:37:39,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,435 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:37:39,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:37:39,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:37:39,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:37:39,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (1/1) ... [2023-03-30 22:37:39,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:37:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:37:39,466 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) [2023-03-30 22:37:39,481 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 [2023-03-30 22:37:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:37:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:37:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:37:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-30 22:37:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:37:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:37:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:37:39,541 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:37:39,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:37:39,660 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:37:39,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:37:39,663 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:37:39,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:37:39 BoogieIcfgContainer [2023-03-30 22:37:39,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:37:39,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:37:39,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:37:39,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:37:39,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:37:39" (1/3) ... [2023-03-30 22:37:39,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b59962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:37:39, skipping insertion in model container [2023-03-30 22:37:39,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:37:39" (2/3) ... [2023-03-30 22:37:39,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b59962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:37:39, skipping insertion in model container [2023-03-30 22:37:39,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:37:39" (3/3) ... [2023-03-30 22:37:39,675 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_5-2.c [2023-03-30 22:37:39,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:37:39,690 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:37:39,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:37:39,739 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e92a31, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:37:39,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:37:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:37:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-03-30 22:37:39,747 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:37:39,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:37:39,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:37:39,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:37:39,751 INFO L85 PathProgramCache]: Analyzing trace with hash 132498341, now seen corresponding path program 1 times [2023-03-30 22:37:39,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:37:39,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592647136] [2023-03-30 22:37:39,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:37:39,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:37:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:37:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:37:40,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:37:40,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592647136] [2023-03-30 22:37:40,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592647136] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:37:40,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:37:40,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:37:40,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146127079] [2023-03-30 22:37:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:37:40,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:37:40,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:37:40,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:37:40,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:37:40,095 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:37:40,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:37:40,234 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2023-03-30 22:37:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-30 22:37:40,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-03-30 22:37:40,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:37:40,240 INFO L225 Difference]: With dead ends: 34 [2023-03-30 22:37:40,240 INFO L226 Difference]: Without dead ends: 21 [2023-03-30 22:37:40,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:37:40,245 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:37:40,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:37:40,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-03-30 22:37:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2023-03-30 22:37:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:37:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-03-30 22:37:40,294 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2023-03-30 22:37:40,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:37:40,294 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2023-03-30 22:37:40,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:37:40,294 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-03-30 22:37:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-03-30 22:37:40,295 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:37:40,295 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:37:40,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:37:40,295 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:37:40,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:37:40,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1946866940, now seen corresponding path program 1 times [2023-03-30 22:37:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:37:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368238039] [2023-03-30 22:37:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:37:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:37:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:37:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-30 22:37:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:37:40,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:37:40,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368238039] [2023-03-30 22:37:40,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368238039] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:37:40,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103774411] [2023-03-30 22:37:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:37:40,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:37:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:37:40,494 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) [2023-03-30 22:37:40,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:37:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:40,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjunts are in the unsatisfiable core [2023-03-30 22:37:40,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:37:40,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:37:40,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:37:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:37:40,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103774411] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:37:40,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:37:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2023-03-30 22:37:40,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023363487] [2023-03-30 22:37:40,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:37:40,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-30 22:37:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:37:40,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-30 22:37:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2023-03-30 22:37:40,858 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 18 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 7 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-03-30 22:37:41,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:37:41,124 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2023-03-30 22:37:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:37:41,125 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 7 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 17 [2023-03-30 22:37:41,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:37:41,127 INFO L225 Difference]: With dead ends: 32 [2023-03-30 22:37:41,127 INFO L226 Difference]: Without dead ends: 30 [2023-03-30 22:37:41,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2023-03-30 22:37:41,129 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 32 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:37:41,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 42 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:37:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-03-30 22:37:41,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-03-30 22:37:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 19 states have internal predecessors, (19), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-03-30 22:37:41,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2023-03-30 22:37:41,138 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 17 [2023-03-30 22:37:41,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:37:41,139 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2023-03-30 22:37:41,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 7 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-03-30 22:37:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-03-30 22:37:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-03-30 22:37:41,147 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:37:41,147 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:37:41,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 22:37:41,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:37:41,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:37:41,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:37:41,355 INFO L85 PathProgramCache]: Analyzing trace with hash 162893217, now seen corresponding path program 2 times [2023-03-30 22:37:41,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:37:41,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609324360] [2023-03-30 22:37:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:37:41,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:37:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:37:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-30 22:37:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-30 22:37:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:37:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-30 22:37:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:37:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-30 22:37:41,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:37:41,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609324360] [2023-03-30 22:37:41,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609324360] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:37:41,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002820144] [2023-03-30 22:37:41,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-30 22:37:41,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:37:41,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:37:41,651 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) [2023-03-30 22:37:41,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:37:41,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-30 22:37:41,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-30 22:37:41,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 33 conjunts are in the unsatisfiable core [2023-03-30 22:37:41,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:37:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-30 22:37:41,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:37:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-03-30 22:37:42,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002820144] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:37:42,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:37:42,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 27 [2023-03-30 22:37:42,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703733768] [2023-03-30 22:37:42,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:37:42,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-03-30 22:37:42,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:37:42,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-03-30 22:37:42,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2023-03-30 22:37:42,601 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 27 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 16 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-03-30 22:38:02,592 WARN L223 SmtUtils]: Spent 15.23s on a formula simplification. DAG size of input: 54 DAG size of output: 40 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-30 22:38:04,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-30 22:38:14,970 WARN L223 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 41 DAG size of output: 38 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-30 22:38:16,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-03-30 22:38:20,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:38:20,539 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2023-03-30 22:38:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-30 22:38:20,540 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 16 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Word has length 35 [2023-03-30 22:38:20,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:38:20,541 INFO L225 Difference]: With dead ends: 48 [2023-03-30 22:38:20,541 INFO L226 Difference]: Without dead ends: 46 [2023-03-30 22:38:20,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 33.3s TimeCoverageRelationStatistics Valid=283, Invalid=1438, Unknown=1, NotChecked=0, Total=1722 [2023-03-30 22:38:20,542 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:38:20,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 97 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 347 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2023-03-30 22:38:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-03-30 22:38:20,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-03-30 22:38:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 13 states have call successors, (13), 6 states have call predecessors, (13), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-03-30 22:38:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2023-03-30 22:38:20,556 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 35 [2023-03-30 22:38:20,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:38:20,556 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2023-03-30 22:38:20,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 16 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-03-30 22:38:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-03-30 22:38:20,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-03-30 22:38:20,558 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:38:20,558 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:38:20,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-30 22:38:20,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-30 22:38:20,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:38:20,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:38:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash -586974437, now seen corresponding path program 3 times [2023-03-30 22:38:20,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:38:20,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018723932] [2023-03-30 22:38:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:38:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:38:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:38:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-30 22:38:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-30 22:38:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-30 22:38:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-30 22:38:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-03-30 22:38:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-30 22:38:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-30 22:38:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-30 22:38:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-30 22:38:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-03-30 22:38:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:38:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 110 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-03-30 22:38:21,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:38:21,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018723932] [2023-03-30 22:38:21,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018723932] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:38:21,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083069470] [2023-03-30 22:38:21,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-30 22:38:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:38:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:38:21,266 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) [2023-03-30 22:38:21,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:38:23,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-03-30 22:38:23,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-30 22:38:23,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 57 conjunts are in the unsatisfiable core [2023-03-30 22:38:23,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:38:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 40 proven. 117 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-03-30 22:38:23,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:38:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 40 proven. 117 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-03-30 22:38:35,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083069470] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:38:35,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:38:35,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 45 [2023-03-30 22:38:35,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365551095] [2023-03-30 22:38:35,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:38:35,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-03-30 22:38:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:38:35,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-03-30 22:38:35,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1695, Unknown=2, NotChecked=0, Total=1980 [2023-03-30 22:38:35,979 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 45 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 42 states have internal predecessors, (51), 34 states have call successors, (36), 4 states have call predecessors, (36), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-30 22:38:38,592 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse3 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse2 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30)) (.cse4 (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30)) (.cse1 (div c_main_~x~0 11))) (and (= |c_#NULL.base| |c_old(#NULL.base)|) (or .cse0 (not (= 30 (mod (+ (* 10 c_main_~y~0) 180 c_main_~x~0) 4294967296)))) (<= 24 .cse1) (not .cse2) (not .cse3) (or (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)) (not (= 30 (mod (+ (* 11 c_main_~y~0) c_main_~x~0 220) 4294967296)))) (or (not (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) .cse3) (or .cse2 (not .cse4)) (or (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296)) (not .cse0)) (or (not (= (mod (+ 144 (* 9 c_main_~y~0) c_main_~x~0) 4294967296) 30)) .cse4) (<= .cse1 24) (not (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296))) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= (mod c_main_~x~0 11) 0))) is different from false [2023-03-30 22:38:40,604 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse4 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse3 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296))) (.cse2 (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30)) (.cse6 (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30)) (.cse5 (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) (.cse1 (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296)))) (and (or (not .cse0) .cse1) (or .cse2 (not (= 30 (mod (+ (* 10 c_main_~y~0) 180 c_main_~x~0) 4294967296)))) (not .cse3) (not .cse4) (or (not .cse5) .cse4) (or .cse3 (not .cse6)) (or .cse0 (not .cse2)) (or (not (= (mod (+ 144 (* 9 c_main_~y~0) c_main_~x~0) 4294967296) 30)) .cse6) (or .cse5 (not (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)))) (not .cse1))) is different from false [2023-03-30 22:38:42,622 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse4 (= 30 (mod c_main_~x~0 4294967296))) (.cse2 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse3 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296))) (.cse6 (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30)) (.cse5 (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) (.cse1 (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296)))) (and (or (not .cse0) .cse1) (not .cse2) (or (not .cse3) .cse4) (not .cse4) (or (not .cse5) .cse2) (or .cse3 (not .cse6)) (or .cse0 (not (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30))) (or (not (= (mod (+ 144 (* 9 c_main_~y~0) c_main_~x~0) 4294967296) 30)) .cse6) (or .cse5 (not (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)))) (not .cse1))) is different from false [2023-03-30 22:38:44,654 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse3 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse2 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296))) (.cse5 (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30)) (.cse4 (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) (.cse1 (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296)))) (and (or (not .cse0) .cse1) (not .cse2) (not .cse3) (or (not .cse4) .cse3) (or .cse2 (not .cse5)) (or .cse0 (not (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30))) (or (not (= (mod (+ 144 (* 9 c_main_~y~0) c_main_~x~0) 4294967296) 30)) .cse5) (or .cse4 (not (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)))) (not .cse1))) is different from false [2023-03-30 22:38:46,665 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse4 (= 30 (mod c_main_~x~0 4294967296))) (.cse2 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse3 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296))) (.cse5 (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) (.cse1 (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296)))) (and (or (not .cse0) .cse1) (not .cse2) (or (not .cse3) .cse4) (not .cse4) (or (not .cse5) .cse2) (or .cse3 (not (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30))) (or .cse0 (not (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30))) (or .cse5 (not (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)))) (not .cse1))) is different from false [2023-03-30 22:38:48,690 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse3 (= (mod (+ (* 2 c_main_~y~0) 4 c_main_~x~0) 4294967296) 30)) (.cse2 (= 30 (mod (+ (* 3 c_main_~y~0) 12 c_main_~x~0) 4294967296))) (.cse0 (= 30 (mod (+ (* 4 c_main_~y~0) c_main_~x~0 24) 4294967296))) (.cse4 (= 30 (mod (+ 40 (* 5 c_main_~y~0) c_main_~x~0) 4294967296))) (.cse1 (= 30 (mod (+ c_main_~x~0 c_main_~y~0) 4294967296)))) (and (or (not .cse0) .cse1) (not .cse2) (not .cse3) (or (not .cse4) .cse3) (or .cse2 (not (= (mod (+ (* 6 c_main_~y~0) 60 c_main_~x~0) 4294967296) 30))) (or .cse0 (not (= (mod (+ 84 (* 7 c_main_~y~0) c_main_~x~0) 4294967296) 30))) (or .cse4 (not (= 30 (mod (+ 112 (* 8 c_main_~y~0) c_main_~x~0) 4294967296)))) (not .cse1))) is different from false