/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/eca-rers2012/Problem10_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 22:15:13,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 22:15:13,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 22:15:13,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 22:15:13,581 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 [2023-04-01 22:15:13,613 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 22:15:13,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 22:15:13,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 22:15:13,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 22:15:13,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 22:15:13,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 22:15:13,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 22:15:13,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 22:15:13,617 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 22:15:13,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 22:15:13,618 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 22:15:13,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 22:15:13,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 22:15:13,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 22:15:13,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 22:15:13,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 22:15:13,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 22:15:13,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 22:15:13,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:15:13,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 22:15:13,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 22:15:13,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 22:15:13,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 22:15:13,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 22:15:13,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 22:15:13,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 22:15:13,621 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 22:15:13,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 22:15:13,622 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 22:15:13,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 22:15:13,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 22:15:13,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 22:15:13,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 22:15:13,913 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 22:15:13,913 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 22:15:13,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2023-04-01 22:15:15,127 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 22:15:15,378 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 22:15:15,380 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2023-04-01 22:15:15,395 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97380b71b/1d661ee514884c0fbd92ff6c23ffb60a/FLAGfe55fe9d3 [2023-04-01 22:15:15,412 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97380b71b/1d661ee514884c0fbd92ff6c23ffb60a [2023-04-01 22:15:15,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 22:15:15,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 22:15:15,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 22:15:15,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 22:15:15,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 22:15:15,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:15,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2178ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15, skipping insertion in model container [2023-04-01 22:15:15,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:15,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 22:15:15,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 22:15:15,674 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/eca-rers2012/Problem10_label59.c[7385,7398] [2023-04-01 22:15:15,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:15:15,819 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 22:15:15,856 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/eca-rers2012/Problem10_label59.c[7385,7398] [2023-04-01 22:15:15,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 22:15:15,944 INFO L208 MainTranslator]: Completed translation [2023-04-01 22:15:15,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15 WrapperNode [2023-04-01 22:15:15,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 22:15:15,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 22:15:15,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 22:15:15,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 22:15:15,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:15,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:15,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:15,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,035 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 22:15:16,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 22:15:16,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 22:15:16,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 22:15:16,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (1/1) ... [2023-04-01 22:15:16,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 22:15:16,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:16,135 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) [2023-04-01 22:15:16,151 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 [2023-04-01 22:15:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 22:15:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 22:15:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 22:15:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 22:15:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 22:15:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 22:15:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 22:15:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 22:15:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 22:15:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 22:15:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 22:15:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 22:15:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 22:15:16,238 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 22:15:16,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 22:15:17,323 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 22:15:17,335 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 22:15:17,335 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 22:15:17,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:15:17 BoogieIcfgContainer [2023-04-01 22:15:17,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 22:15:17,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 22:15:17,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 22:15:17,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 22:15:17,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 10:15:15" (1/3) ... [2023-04-01 22:15:17,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18622aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:15:17, skipping insertion in model container [2023-04-01 22:15:17,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 10:15:15" (2/3) ... [2023-04-01 22:15:17,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18622aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 10:15:17, skipping insertion in model container [2023-04-01 22:15:17,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 10:15:17" (3/3) ... [2023-04-01 22:15:17,350 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2023-04-01 22:15:17,370 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 22:15:17,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 22:15:17,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 22:15:17,437 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;@795c9926, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 22:15:17,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 22:15:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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) [2023-04-01 22:15:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-01 22:15:17,454 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:17,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:17,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:17,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:17,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1153698034, now seen corresponding path program 1 times [2023-04-01 22:15:17,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:17,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335744472] [2023-04-01 22:15:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:17,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:18,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:18,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335744472] [2023-04-01 22:15:18,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335744472] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:18,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:18,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 22:15:18,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726486302] [2023-04-01 22:15:18,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:18,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 22:15:18,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 22:15:18,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 22:15:18,108 INFO L87 Difference]: Start difference. First operand has 215 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 208 states have internal predecessors, (347), 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 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:15:19,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:19,261 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2023-04-01 22:15:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 22:15:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (3), 2 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 71 [2023-04-01 22:15:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:19,273 INFO L225 Difference]: With dead ends: 596 [2023-04-01 22:15:19,274 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 22:15:19,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 22:15:19,282 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 538 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:19,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 21 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 22:15:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 22:15:19,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2023-04-01 22:15:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 287 states have (on average 1.5261324041811846) internal successors, (438), 288 states have internal predecessors, (438), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 22:15:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2023-04-01 22:15:19,336 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 71 [2023-04-01 22:15:19,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:19,337 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2023-04-01 22:15:19,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 22:15:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2023-04-01 22:15:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-01 22:15:19,342 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:19,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:15:19,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 22:15:19,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:19,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:19,343 INFO L85 PathProgramCache]: Analyzing trace with hash -549983154, now seen corresponding path program 1 times [2023-04-01 22:15:19,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:19,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306434168] [2023-04-01 22:15:19,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:19,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:19,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:19,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306434168] [2023-04-01 22:15:19,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306434168] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202721354] [2023-04-01 22:15:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:19,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:19,593 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) [2023-04-01 22:15:19,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 22:15:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:19,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:19,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:19,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:19,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202721354] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:19,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:19,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:15:19,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531975780] [2023-04-01 22:15:19,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:19,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:15:19,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:19,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:15:19,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:15:19,921 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:15:20,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:20,406 INFO L93 Difference]: Finished difference Result 874 states and 1344 transitions. [2023-04-01 22:15:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:15:20,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 141 [2023-04-01 22:15:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:20,413 INFO L225 Difference]: With dead ends: 874 [2023-04-01 22:15:20,413 INFO L226 Difference]: Without dead ends: 584 [2023-04-01 22:15:20,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:15:20,415 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 77 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:20,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 248 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:15:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-04-01 22:15:20,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2023-04-01 22:15:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 570 states have (on average 1.3701754385964913) internal successors, (781), 572 states have internal predecessors, (781), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2023-04-01 22:15:20,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2023-04-01 22:15:20,465 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 141 [2023-04-01 22:15:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:20,467 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2023-04-01 22:15:20,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-04-01 22:15:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2023-04-01 22:15:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-01 22:15:20,478 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:20,478 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:15:20,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 22:15:20,679 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 [2023-04-01 22:15:20,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:20,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1890099799, now seen corresponding path program 1 times [2023-04-01 22:15:20,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:20,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315859579] [2023-04-01 22:15:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:21,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:21,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315859579] [2023-04-01 22:15:21,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315859579] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:21,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:21,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 22:15:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592731313] [2023-04-01 22:15:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:21,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 22:15:21,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 22:15:21,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 22:15:21,024 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand has 7 states, 6 states have (on average 24.333333333333332) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:15:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:22,036 INFO L93 Difference]: Finished difference Result 1490 states and 2156 transitions. [2023-04-01 22:15:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 22:15:22,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.333333333333332) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 152 [2023-04-01 22:15:22,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:22,048 INFO L225 Difference]: With dead ends: 1490 [2023-04-01 22:15:22,049 INFO L226 Difference]: Without dead ends: 912 [2023-04-01 22:15:22,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:15:22,054 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 468 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:22,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 48 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 22:15:22,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2023-04-01 22:15:22,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 894. [2023-04-01 22:15:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 864 states have (on average 1.2916666666666667) internal successors, (1116), 878 states have internal predecessors, (1116), 8 states have call successors, (8), 8 states have call predecessors, (8), 21 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2023-04-01 22:15:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1184 transitions. [2023-04-01 22:15:22,102 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1184 transitions. Word has length 152 [2023-04-01 22:15:22,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:22,104 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1184 transitions. [2023-04-01 22:15:22,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.333333333333332) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:15:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1184 transitions. [2023-04-01 22:15:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-01 22:15:22,107 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:22,108 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:22,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 22:15:22,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:22,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:22,109 INFO L85 PathProgramCache]: Analyzing trace with hash 870476235, now seen corresponding path program 1 times [2023-04-01 22:15:22,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:22,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263126751] [2023-04-01 22:15:22,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:22,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:22,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:22,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263126751] [2023-04-01 22:15:22,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263126751] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:22,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 22:15:22,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 22:15:22,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14728412] [2023-04-01 22:15:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:22,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 22:15:22,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 22:15:22,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:15:22,468 INFO L87 Difference]: Start difference. First operand 894 states and 1184 transitions. Second operand has 8 states, 7 states have (on average 22.285714285714285) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:15:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:23,408 INFO L93 Difference]: Finished difference Result 2279 states and 3260 transitions. [2023-04-01 22:15:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 22:15:23,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.285714285714285) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 162 [2023-04-01 22:15:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:23,416 INFO L225 Difference]: With dead ends: 2279 [2023-04-01 22:15:23,416 INFO L226 Difference]: Without dead ends: 1391 [2023-04-01 22:15:23,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:15:23,419 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1026 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:23,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 41 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 22:15:23,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2023-04-01 22:15:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1345. [2023-04-01 22:15:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1298 states have (on average 1.2727272727272727) internal successors, (1652), 1323 states have internal predecessors, (1652), 11 states have call successors, (11), 11 states have call predecessors, (11), 35 states have return successors, (119), 10 states have call predecessors, (119), 10 states have call successors, (119) [2023-04-01 22:15:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1782 transitions. [2023-04-01 22:15:23,469 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1782 transitions. Word has length 162 [2023-04-01 22:15:23,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:23,469 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1782 transitions. [2023-04-01 22:15:23,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.285714285714285) internal successors, (156), 5 states have internal predecessors, (156), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 22:15:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1782 transitions. [2023-04-01 22:15:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-01 22:15:23,472 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:23,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:15:23,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 22:15:23,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:23,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash 447106178, now seen corresponding path program 1 times [2023-04-01 22:15:23,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:23,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483411230] [2023-04-01 22:15:23,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:15:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:15:23,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:23,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483411230] [2023-04-01 22:15:23,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483411230] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:23,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283407944] [2023-04-01 22:15:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:23,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:23,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:23,906 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) [2023-04-01 22:15:23,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 22:15:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:24,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:24,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:24,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:24,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283407944] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:24,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:24,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-04-01 22:15:24,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899132204] [2023-04-01 22:15:24,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:24,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:15:24,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:24,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:15:24,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:15:24,470 INFO L87 Difference]: Start difference. First operand 1345 states and 1782 transitions. Second operand has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 10 states have internal predecessors, (380), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:25,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:25,865 INFO L93 Difference]: Finished difference Result 3300 states and 4399 transitions. [2023-04-01 22:15:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-01 22:15:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 10 states have internal predecessors, (380), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) Word has length 223 [2023-04-01 22:15:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:25,874 INFO L225 Difference]: With dead ends: 3300 [2023-04-01 22:15:25,874 INFO L226 Difference]: Without dead ends: 1961 [2023-04-01 22:15:25,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2023-04-01 22:15:25,879 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1568 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:25,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 84 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 22:15:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2023-04-01 22:15:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1943. [2023-04-01 22:15:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1943 states, 1875 states have (on average 1.1781333333333333) internal successors, (2209), 1913 states have internal predecessors, (2209), 15 states have call successors, (15), 15 states have call predecessors, (15), 52 states have return successors, (167), 14 states have call predecessors, (167), 14 states have call successors, (167) [2023-04-01 22:15:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1943 states and 2391 transitions. [2023-04-01 22:15:25,932 INFO L78 Accepts]: Start accepts. Automaton has 1943 states and 2391 transitions. Word has length 223 [2023-04-01 22:15:25,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:25,933 INFO L495 AbstractCegarLoop]: Abstraction has 1943 states and 2391 transitions. [2023-04-01 22:15:25,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 31.666666666666668) internal successors, (380), 10 states have internal predecessors, (380), 5 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2391 transitions. [2023-04-01 22:15:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-04-01 22:15:25,937 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:25,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-01 22:15:25,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:26,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:26,148 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:26,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1852856374, now seen corresponding path program 1 times [2023-04-01 22:15:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829489320] [2023-04-01 22:15:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:26,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-01 22:15:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 9 proven. 125 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 22:15:26,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:26,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829489320] [2023-04-01 22:15:26,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829489320] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:26,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544698251] [2023-04-01 22:15:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:26,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:26,925 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) [2023-04-01 22:15:26,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 22:15:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:27,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 22:15:27,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 131 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:27,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 131 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544698251] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:27,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:27,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 17 [2023-04-01 22:15:27,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026373530] [2023-04-01 22:15:27,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:27,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-01 22:15:27,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-01 22:15:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-04-01 22:15:27,837 INFO L87 Difference]: Start difference. First operand 1943 states and 2391 transitions. Second operand has 17 states, 17 states have (on average 30.529411764705884) internal successors, (519), 15 states have internal predecessors, (519), 7 states have call successors, (12), 9 states have call predecessors, (12), 7 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:32,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:32,174 INFO L93 Difference]: Finished difference Result 5839 states and 7547 transitions. [2023-04-01 22:15:32,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-04-01 22:15:32,174 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 30.529411764705884) internal successors, (519), 15 states have internal predecessors, (519), 7 states have call successors, (12), 9 states have call predecessors, (12), 7 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) Word has length 227 [2023-04-01 22:15:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:32,194 INFO L225 Difference]: With dead ends: 5839 [2023-04-01 22:15:32,195 INFO L226 Difference]: Without dead ends: 3902 [2023-04-01 22:15:32,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 471 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=840, Invalid=2820, Unknown=0, NotChecked=0, Total=3660 [2023-04-01 22:15:32,203 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 2854 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 4349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:32,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 214 Invalid, 4349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-04-01 22:15:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2023-04-01 22:15:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 3415. [2023-04-01 22:15:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 3306 states have (on average 1.1660617059891107) internal successors, (3855), 3365 states have internal predecessors, (3855), 25 states have call successors, (25), 25 states have call predecessors, (25), 83 states have return successors, (392), 24 states have call predecessors, (392), 24 states have call successors, (392) [2023-04-01 22:15:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4272 transitions. [2023-04-01 22:15:32,314 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4272 transitions. Word has length 227 [2023-04-01 22:15:32,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:32,314 INFO L495 AbstractCegarLoop]: Abstraction has 3415 states and 4272 transitions. [2023-04-01 22:15:32,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 30.529411764705884) internal successors, (519), 15 states have internal predecessors, (519), 7 states have call successors, (12), 9 states have call predecessors, (12), 7 states have return successors, (7), 7 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 22:15:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4272 transitions. [2023-04-01 22:15:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-01 22:15:32,320 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:32,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:32,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:32,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:32,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:32,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1339261686, now seen corresponding path program 1 times [2023-04-01 22:15:32,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:32,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16812591] [2023-04-01 22:15:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-01 22:15:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 22:15:33,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16812591] [2023-04-01 22:15:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16812591] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612307063] [2023-04-01 22:15:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:33,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:33,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:33,026 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) [2023-04-01 22:15:33,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-01 22:15:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:33,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:33,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:33,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 22:15:33,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612307063] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:33,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:33,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2023-04-01 22:15:33,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886620185] [2023-04-01 22:15:33,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:33,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 22:15:33,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:33,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 22:15:33,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-04-01 22:15:33,522 INFO L87 Difference]: Start difference. First operand 3415 states and 4272 transitions. Second operand has 12 states, 12 states have (on average 32.083333333333336) internal successors, (385), 10 states have internal predecessors, (385), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:15:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:35,387 INFO L93 Difference]: Finished difference Result 8840 states and 11043 transitions. [2023-04-01 22:15:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 22:15:35,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 32.083333333333336) internal successors, (385), 10 states have internal predecessors, (385), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 231 [2023-04-01 22:15:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:35,405 INFO L225 Difference]: With dead ends: 8840 [2023-04-01 22:15:35,405 INFO L226 Difference]: Without dead ends: 3822 [2023-04-01 22:15:35,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 468 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2023-04-01 22:15:35,417 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 1211 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:35,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 51 Invalid, 2269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-04-01 22:15:35,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2023-04-01 22:15:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3103. [2023-04-01 22:15:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 3011 states have (on average 1.1401527731650614) internal successors, (3433), 3057 states have internal predecessors, (3433), 23 states have call successors, (23), 23 states have call predecessors, (23), 68 states have return successors, (299), 22 states have call predecessors, (299), 22 states have call successors, (299) [2023-04-01 22:15:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 3755 transitions. [2023-04-01 22:15:35,521 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 3755 transitions. Word has length 231 [2023-04-01 22:15:35,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:35,521 INFO L495 AbstractCegarLoop]: Abstraction has 3103 states and 3755 transitions. [2023-04-01 22:15:35,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 32.083333333333336) internal successors, (385), 10 states have internal predecessors, (385), 5 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-04-01 22:15:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 3755 transitions. [2023-04-01 22:15:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-04-01 22:15:35,527 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:35,527 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:35,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:35,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:35,740 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:35,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:35,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1598554047, now seen corresponding path program 1 times [2023-04-01 22:15:35,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:35,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851098154] [2023-04-01 22:15:35,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-01 22:15:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 128 proven. 81 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 22:15:36,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:36,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851098154] [2023-04-01 22:15:36,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851098154] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:36,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001437656] [2023-04-01 22:15:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:36,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:36,472 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) [2023-04-01 22:15:36,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-01 22:15:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:36,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-01 22:15:36,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-01 22:15:36,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:36,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001437656] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:36,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:36,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-04-01 22:15:36,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508443341] [2023-04-01 22:15:36,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:36,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 22:15:36,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:36,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 22:15:36,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-04-01 22:15:36,720 INFO L87 Difference]: Start difference. First operand 3103 states and 3755 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 3 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) [2023-04-01 22:15:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:37,265 INFO L93 Difference]: Finished difference Result 6355 states and 7694 transitions. [2023-04-01 22:15:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 22:15:37,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 3 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) Word has length 244 [2023-04-01 22:15:37,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:37,330 INFO L225 Difference]: With dead ends: 6355 [2023-04-01 22:15:37,330 INFO L226 Difference]: Without dead ends: 3258 [2023-04-01 22:15:37,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-04-01 22:15:37,336 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 271 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:37,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 46 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 22:15:37,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2023-04-01 22:15:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3250. [2023-04-01 22:15:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3154 states have (on average 1.1350665821179455) internal successors, (3580), 3202 states have internal predecessors, (3580), 24 states have call successors, (24), 24 states have call predecessors, (24), 71 states have return successors, (313), 23 states have call predecessors, (313), 23 states have call successors, (313) [2023-04-01 22:15:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 3917 transitions. [2023-04-01 22:15:37,433 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 3917 transitions. Word has length 244 [2023-04-01 22:15:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:37,433 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 3917 transitions. [2023-04-01 22:15:37,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 3 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) [2023-04-01 22:15:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3917 transitions. [2023-04-01 22:15:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-04-01 22:15:37,439 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:37,439 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:37,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:37,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:37,648 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:37,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:37,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1286895778, now seen corresponding path program 1 times [2023-04-01 22:15:37,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:37,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096111552] [2023-04-01 22:15:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:37,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-01 22:15:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 126 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-04-01 22:15:38,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:38,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096111552] [2023-04-01 22:15:38,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096111552] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:38,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258649955] [2023-04-01 22:15:38,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:38,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:38,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:38,096 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) [2023-04-01 22:15:38,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-01 22:15:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:38,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:38,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-04-01 22:15:38,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:15:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258649955] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:15:38,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:15:38,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-04-01 22:15:38,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96173025] [2023-04-01 22:15:38,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:15:38,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:15:38,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:38,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:15:38,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:15:38,298 INFO L87 Difference]: Start difference. First operand 3250 states and 3917 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:15:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:38,739 INFO L93 Difference]: Finished difference Result 6351 states and 7677 transitions. [2023-04-01 22:15:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:15:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 289 [2023-04-01 22:15:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:38,754 INFO L225 Difference]: With dead ends: 6351 [2023-04-01 22:15:38,754 INFO L226 Difference]: Without dead ends: 3250 [2023-04-01 22:15:38,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-01 22:15:38,762 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 83 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:38,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 214 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:15:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2023-04-01 22:15:38,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2811. [2023-04-01 22:15:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2726 states have (on average 1.1005135730007336) internal successors, (3000), 2769 states have internal predecessors, (3000), 21 states have call successors, (21), 21 states have call predecessors, (21), 63 states have return successors, (192), 20 states have call predecessors, (192), 20 states have call successors, (192) [2023-04-01 22:15:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3213 transitions. [2023-04-01 22:15:38,839 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3213 transitions. Word has length 289 [2023-04-01 22:15:38,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:38,839 INFO L495 AbstractCegarLoop]: Abstraction has 2811 states and 3213 transitions. [2023-04-01 22:15:38,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:15:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3213 transitions. [2023-04-01 22:15:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2023-04-01 22:15:38,847 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:38,847 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:38,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:39,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:39,053 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:39,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:39,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1021908266, now seen corresponding path program 1 times [2023-04-01 22:15:39,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:39,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268196042] [2023-04-01 22:15:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:39,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-01 22:15:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-01 22:15:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 83 proven. 286 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-01 22:15:40,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:40,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268196042] [2023-04-01 22:15:40,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268196042] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:40,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893299627] [2023-04-01 22:15:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:40,689 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) [2023-04-01 22:15:40,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-01 22:15:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:40,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:15:40,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-01 22:15:41,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-01 22:15:41,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893299627] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:41,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:41,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2023-04-01 22:15:41,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945020301] [2023-04-01 22:15:41,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:41,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-01 22:15:41,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:41,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-01 22:15:41,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-04-01 22:15:41,488 INFO L87 Difference]: Start difference. First operand 2811 states and 3213 transitions. Second operand has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:15:45,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:45,393 INFO L93 Difference]: Finished difference Result 5994 states and 7005 transitions. [2023-04-01 22:15:45,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-01 22:15:45,394 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) Word has length 359 [2023-04-01 22:15:45,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:45,406 INFO L225 Difference]: With dead ends: 5994 [2023-04-01 22:15:45,406 INFO L226 Difference]: Without dead ends: 3332 [2023-04-01 22:15:45,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 746 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=500, Invalid=2152, Unknown=0, NotChecked=0, Total=2652 [2023-04-01 22:15:45,412 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1480 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 5029 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 5538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 5029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:45,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 194 Invalid, 5538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 5029 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-01 22:15:45,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2023-04-01 22:15:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 2825. [2023-04-01 22:15:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2825 states, 2733 states have (on average 1.0819612147822906) internal successors, (2957), 2783 states have internal predecessors, (2957), 21 states have call successors, (21), 21 states have call predecessors, (21), 70 states have return successors, (163), 20 states have call predecessors, (163), 20 states have call successors, (163) [2023-04-01 22:15:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3141 transitions. [2023-04-01 22:15:45,489 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3141 transitions. Word has length 359 [2023-04-01 22:15:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:45,489 INFO L495 AbstractCegarLoop]: Abstraction has 2825 states and 3141 transitions. [2023-04-01 22:15:45,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 34.22222222222222) internal successors, (616), 16 states have internal predecessors, (616), 7 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2023-04-01 22:15:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3141 transitions. [2023-04-01 22:15:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2023-04-01 22:15:45,498 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:45,498 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:15:45,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:45,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:45,705 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:45,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1427378129, now seen corresponding path program 1 times [2023-04-01 22:15:45,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:45,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721838959] [2023-04-01 22:15:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-01 22:15:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-04-01 22:15:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 248 proven. 222 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 22:15:47,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:47,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721838959] [2023-04-01 22:15:47,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721838959] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:47,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901794826] [2023-04-01 22:15:47,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:47,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:47,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:47,196 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) [2023-04-01 22:15:47,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-01 22:15:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:47,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 19 conjunts are in the unsatisfiable core [2023-04-01 22:15:47,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:15:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 166 proven. 204 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-04-01 22:15:48,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 22:15:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 365 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-04-01 22:15:49,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901794826] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 22:15:49,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 22:15:49,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 6] total 27 [2023-04-01 22:15:49,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813343551] [2023-04-01 22:15:49,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 22:15:49,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-04-01 22:15:49,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:15:49,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-04-01 22:15:49,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2023-04-01 22:15:49,902 INFO L87 Difference]: Start difference. First operand 2825 states and 3141 transitions. Second operand has 27 states, 27 states have (on average 30.962962962962962) internal successors, (836), 25 states have internal predecessors, (836), 11 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (12), 11 states have call predecessors, (12), 8 states have call successors, (12) [2023-04-01 22:15:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:15:59,197 INFO L93 Difference]: Finished difference Result 8075 states and 9083 transitions. [2023-04-01 22:15:59,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-04-01 22:15:59,198 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 30.962962962962962) internal successors, (836), 25 states have internal predecessors, (836), 11 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (12), 11 states have call predecessors, (12), 8 states have call successors, (12) Word has length 400 [2023-04-01 22:15:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:15:59,216 INFO L225 Difference]: With dead ends: 8075 [2023-04-01 22:15:59,216 INFO L226 Difference]: Without dead ends: 5399 [2023-04-01 22:15:59,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3922 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2257, Invalid=9515, Unknown=0, NotChecked=0, Total=11772 [2023-04-01 22:15:59,225 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 4421 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 9324 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4421 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 10278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 9324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-01 22:15:59,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4421 Valid, 406 Invalid, 10278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 9324 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-01 22:15:59,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2023-04-01 22:15:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 4158. [2023-04-01 22:15:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4158 states, 4025 states have (on average 1.0809937888198757) internal successors, (4351), 4098 states have internal predecessors, (4351), 30 states have call successors, (30), 30 states have call predecessors, (30), 102 states have return successors, (271), 29 states have call predecessors, (271), 29 states have call successors, (271) [2023-04-01 22:15:59,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 4158 states and 4652 transitions. [2023-04-01 22:15:59,384 INFO L78 Accepts]: Start accepts. Automaton has 4158 states and 4652 transitions. Word has length 400 [2023-04-01 22:15:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:15:59,385 INFO L495 AbstractCegarLoop]: Abstraction has 4158 states and 4652 transitions. [2023-04-01 22:15:59,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 30.962962962962962) internal successors, (836), 25 states have internal predecessors, (836), 11 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (12), 11 states have call predecessors, (12), 8 states have call successors, (12) [2023-04-01 22:15:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4158 states and 4652 transitions. [2023-04-01 22:15:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-04-01 22:15:59,402 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 22:15:59,403 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 22:15:59,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-04-01 22:15:59,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-04-01 22:15:59,609 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 22:15:59,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 22:15:59,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1636281891, now seen corresponding path program 1 times [2023-04-01 22:15:59,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 22:15:59,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829491607] [2023-04-01 22:15:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 22:15:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 22:15:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 22:15:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-01 22:15:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-01 22:15:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:15:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 195 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-04-01 22:15:59,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 22:15:59,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829491607] [2023-04-01 22:15:59,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829491607] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 22:15:59,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956953052] [2023-04-01 22:15:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 22:15:59,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:15:59,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 22:15:59,967 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) [2023-04-01 22:15:59,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-01 22:16:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 22:16:00,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 22:16:00,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 22:16:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-04-01 22:16:00,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 22:16:00,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956953052] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 22:16:00,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 22:16:00,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-04-01 22:16:00,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828870453] [2023-04-01 22:16:00,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 22:16:00,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 22:16:00,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 22:16:00,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 22:16:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:16:00,198 INFO L87 Difference]: Start difference. First operand 4158 states and 4652 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:16:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 22:16:00,526 INFO L93 Difference]: Finished difference Result 8165 states and 9146 transitions. [2023-04-01 22:16:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 22:16:00,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 410 [2023-04-01 22:16:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 22:16:00,528 INFO L225 Difference]: With dead ends: 8165 [2023-04-01 22:16:00,528 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 22:16:00,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 22:16:00,539 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 98 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 22:16:00,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 179 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 22:16:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 22:16:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 22:16:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 22:16:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 22:16:00,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2023-04-01 22:16:00,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 22:16:00,541 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 22:16:00,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 22:16:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 22:16:00,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 22:16:00,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 22:16:00,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-04-01 22:16:00,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 22:16:00,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 22:16:12,546 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 22:16:12,546 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 22:16:12,546 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 22:16:12,546 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L895 garLoopResultBuilder]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (< 0 (+ ~a1~0 2247975))) (.cse6 (<= 1 ~a10~0)) (.cse4 (<= 10 ~a19~0)) (.cse2 (= ~a10~0 0)) (.cse1 (< 0 (+ ~a1~0 13))) (.cse5 (= ~a19~0 9)) (.cse0 (<= ~a19~0 8))) (or (and (<= ~a19~0 9) (= ~a10~0 2)) (and .cse0 .cse1) (and .cse2 .cse0) (and .cse2 .cse3 .cse4) (not (= 14 ~a4~0)) (and .cse5 .cse3 .cse6) (and .cse3 .cse6 (<= ~a10~0 2) .cse4) (not (= 23 |old(~a1~0)|)) (and .cse2 .cse1) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= ~a12~0 0)) (and .cse5 (<= 4 ~a10~0)) (and .cse0 (<= 2 ~a10~0)))) [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L600-1(line 600) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (< 0 (+ ~a1~0 2247975))) (.cse6 (<= 1 ~a10~0)) (.cse4 (<= 10 ~a19~0)) (.cse2 (= ~a10~0 0)) (.cse1 (< 0 (+ ~a1~0 13))) (.cse5 (= ~a19~0 9)) (.cse0 (<= ~a19~0 8))) (or (and (<= ~a19~0 9) (= ~a10~0 2)) (and .cse0 .cse1) (and .cse2 .cse0) (and .cse2 .cse3 .cse4) (not (= 14 ~a4~0)) (and .cse5 .cse3 .cse6) (and .cse3 .cse6 (<= ~a10~0 2) .cse4) (not (= 23 |old(~a1~0)|)) (and .cse2 .cse1) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= ~a12~0 0)) (and .cse5 (<= 4 ~a10~0)) (and .cse0 (<= 2 ~a10~0)))) [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L592-3(lines 586 602) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 602) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) (not (= 0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (= ~a12~0 0))) [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~inputE~0 |old(~inputE~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~inputF~0 |old(~inputF~0)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-04-01 22:16:12,547 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-04-01 22:16:12,548 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,549 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-04-01 22:16:12,550 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 209) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-04-01 22:16:12,551 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,552 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,553 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-04-01 22:16:12,554 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 22:16:12,555 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-04-01 22:16:12,556 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,557 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,558 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 30 584) the Hoare annotation is: (let ((.cse13 (= ~a10~0 |old(~a10~0)|)) (.cse3 (= ~a10~0 0)) (.cse16 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a1~0 |old(~a1~0)|)) (.cse14 (= 9 |old(~a19~0)|)) (.cse15 (<= (+ |old(~a1~0)| 2247975) 0))) (let ((.cse9 (< |old(~a10~0)| 1)) (.cse4 (= ~a19~0 9)) (.cse10 (and .cse15 (<= |old(~a10~0)| 3))) (.cse8 (not .cse14)) (.cse11 (and .cse3 .cse16 .cse5)) (.cse7 (not (= 0 |old(~a10~0)|))) (.cse0 (not (= 14 ~a4~0))) (.cse12 (< 8 |old(~a19~0)|)) (.cse1 (and .cse16 .cse5 .cse13)) (.cse6 (<= (+ |old(~a1~0)| 13) 0)) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 (not (= 2 |old(~a10~0)|)) (< 9 |old(~a19~0)|) .cse2) (or .cse0 (and .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse2) (or (< |old(~a19~0)| 10) .cse0 (< 2 |old(~a10~0)|) .cse9 .cse1 .cse10 .cse2) (or .cse11 .cse0 .cse12 .cse7 .cse2) (or .cse0 .cse9 (and .cse4 .cse5 .cse13) .cse10 .cse8 .cse2) (or .cse14 .cse11 .cse0 .cse15 .cse7 .cse2) (or (< |old(~a10~0)| 2) .cse0 .cse12 .cse1 .cse2) (or .cse0 .cse12 .cse1 .cse6 .cse2)))) [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-04-01 22:16:12,559 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-04-01 22:16:12,560 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-04-01 22:16:12,561 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0)) [2023-04-01 22:16:12,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 22:16:12,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 22:16:12,565 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 22:16:12,567 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 22:16:12,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 10:16:12 BoogieIcfgContainer [2023-04-01 22:16:12,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 22:16:12,585 INFO L158 Benchmark]: Toolchain (without parser) took 57168.51ms. Allocated memory was 225.4MB in the beginning and 692.1MB in the end (delta: 466.6MB). Free memory was 163.7MB in the beginning and 386.2MB in the end (delta: -222.5MB). Peak memory consumption was 407.2MB. Max. memory is 8.0GB. [2023-04-01 22:16:12,585 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 225.4MB. Free memory was 178.8MB in the beginning and 178.7MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 22:16:12,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.65ms. Allocated memory was 225.4MB in the beginning and 305.1MB in the end (delta: 79.7MB). Free memory was 163.4MB in the beginning and 264.8MB in the end (delta: -101.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2023-04-01 22:16:12,586 INFO L158 Benchmark]: Boogie Preprocessor took 118.07ms. Allocated memory is still 305.1MB. Free memory was 264.8MB in the beginning and 260.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-01 22:16:12,590 INFO L158 Benchmark]: RCFGBuilder took 1275.71ms. Allocated memory is still 305.1MB. Free memory was 260.1MB in the beginning and 255.5MB in the end (delta: 4.6MB). Peak memory consumption was 69.7MB. Max. memory is 8.0GB. [2023-04-01 22:16:12,591 INFO L158 Benchmark]: TraceAbstraction took 55240.08ms. Allocated memory was 305.1MB in the beginning and 692.1MB in the end (delta: 386.9MB). Free memory was 254.9MB in the beginning and 386.2MB in the end (delta: -131.2MB). Peak memory consumption was 417.7MB. Max. memory is 8.0GB. [2023-04-01 22:16:12,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 225.4MB. Free memory was 178.8MB in the beginning and 178.7MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 518.65ms. Allocated memory was 225.4MB in the beginning and 305.1MB in the end (delta: 79.7MB). Free memory was 163.4MB in the beginning and 264.8MB in the end (delta: -101.4MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 118.07ms. Allocated memory is still 305.1MB. Free memory was 264.8MB in the beginning and 260.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1275.71ms. Allocated memory is still 305.1MB. Free memory was 260.1MB in the beginning and 255.5MB in the end (delta: 4.6MB). Peak memory consumption was 69.7MB. Max. memory is 8.0GB. * TraceAbstraction took 55240.08ms. Allocated memory was 305.1MB in the beginning and 692.1MB in the end (delta: 386.9MB). Free memory was 254.9MB in the beginning and 386.2MB in the end (delta: -131.2MB). Peak memory consumption was 417.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 209]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.2s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14095 SdHoareTripleChecker+Valid, 18.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14095 mSDsluCounter, 1746 SdHoareTripleChecker+Invalid, 15.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 964 mSDsCounter, 3380 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24979 IncrementalHoareTripleChecker+Invalid, 28359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3380 mSolverCounterUnsat, 782 mSDtfsCounter, 24979 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4415 GetRequests, 4098 SyntacticMatches, 6 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5912 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4158occurred in iteration=11, InterpolantAutomatonStates: 262, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 3489 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 208 PreInvPairs, 286 NumberOfFragments, 537 HoareAnnotationTreeSize, 208 FomulaSimplifications, 474407 FormulaSimplificationTreeSizeReduction, 9.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13262 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 5433 NumberOfCodeBlocks, 5433 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 6847 ConstructedInterpolants, 0 QuantifiedInterpolants, 21766 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4362 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 26 InterpolantComputations, 7 PerfectInterpolantSequences, 5549/6631 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && a10 == 2) || (a19 <= 8 && 0 < a1 + 13)) || (a10 == 0 && a19 <= 8)) || ((a10 == 0 && 0 < a1 + 2247975) && 10 <= a19)) || !(14 == a4)) || ((a19 == 9 && 0 < a1 + 2247975) && 1 <= a10)) || (((0 < a1 + 2247975 && 1 <= a10) && a10 <= 2) && 10 <= a19)) || !(23 == \old(a1))) || (a10 == 0 && 0 < a1 + 13)) || !(0 == \old(a10))) || !(9 == \old(a19))) || !(a12 == 0)) || (a19 == 9 && 4 <= a10)) || (a19 <= 8 && 2 <= a10) RESULT: Ultimate proved your program to be correct! [2023-04-01 22:16:12,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...