/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/Problem02_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 20:22:30,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 20:22:30,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 20:22:30,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-04-01 20:22:30,228 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 20:22:30,257 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 20:22:30,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 20:22:30,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 20:22:30,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 20:22:30,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 20:22:30,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 20:22:30,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-01 20:22:30,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-01 20:22:30,260 INFO L138 SettingsManager]: * Use SBE=true [2023-04-01 20:22:30,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 20:22:30,261 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 20:22:30,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 20:22:30,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 20:22:30,263 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 20:22:30,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 20:22:30,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 20:22:30,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-01 20:22:30,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:22:30,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 20:22:30,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-01 20:22:30,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 20:22:30,265 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-01 20:22:30,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-01 20:22:30,265 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-01 20:22:30,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-01 20:22:30,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 20:22:30,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 20:22:30,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 20:22:30,531 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 20:22:30,532 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 20:22:30,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2023-04-01 20:22:31,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 20:22:32,069 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 20:22:32,070 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2023-04-01 20:22:32,080 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50670690e/040587489229401f98b0f4c011fdb43a/FLAG7768a275d [2023-04-01 20:22:32,093 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50670690e/040587489229401f98b0f4c011fdb43a [2023-04-01 20:22:32,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 20:22:32,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 20:22:32,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 20:22:32,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 20:22:32,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 20:22:32,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e07e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32, skipping insertion in model container [2023-04-01 20:22:32,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 20:22:32,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 20:22:32,419 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/Problem02_label39.c[18036,18049] [2023-04-01 20:22:32,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:22:32,455 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 20:22:32,543 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/Problem02_label39.c[18036,18049] [2023-04-01 20:22:32,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 20:22:32,566 INFO L208 MainTranslator]: Completed translation [2023-04-01 20:22:32,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32 WrapperNode [2023-04-01 20:22:32,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 20:22:32,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 20:22:32,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 20:22:32,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 20:22:32,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 20:22:32,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 20:22:32,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 20:22:32,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 20:22:32,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (1/1) ... [2023-04-01 20:22:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 20:22:32,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:32,694 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 20:22:32,715 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 20:22:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 20:22:32,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 20:22:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 20:22:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-04-01 20:22:32,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 20:22:32,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 20:22:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 20:22:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 20:22:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 20:22:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 20:22:32,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 20:22:32,821 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 20:22:32,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 20:22:33,797 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 20:22:33,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 20:22:33,806 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 20:22:33,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:33 BoogieIcfgContainer [2023-04-01 20:22:33,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 20:22:33,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 20:22:33,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 20:22:33,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 20:22:33,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 08:22:32" (1/3) ... [2023-04-01 20:22:33,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3015eda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:33, skipping insertion in model container [2023-04-01 20:22:33,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 08:22:32" (2/3) ... [2023-04-01 20:22:33,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3015eda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 08:22:33, skipping insertion in model container [2023-04-01 20:22:33,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 08:22:33" (3/3) ... [2023-04-01 20:22:33,824 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label39.c [2023-04-01 20:22:33,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 20:22:33,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 20:22:33,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 20:22:33,914 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;@372c08db, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-01 20:22:33,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 20:22:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 20:22:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-01 20:22:33,930 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:33,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:33,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:33,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:33,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1747943428, now seen corresponding path program 1 times [2023-04-01 20:22:33,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153479486] [2023-04-01 20:22:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:34,784 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 20:22:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153479486] [2023-04-01 20:22:34,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153479486] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:34,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:34,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 20:22:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332587863] [2023-04-01 20:22:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:34,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:22:34,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:34,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:22:34,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 20:22:34,829 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 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 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 20:22:36,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:36,009 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2023-04-01 20:22:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 20:22:36,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 117 [2023-04-01 20:22:36,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:36,023 INFO L225 Difference]: With dead ends: 671 [2023-04-01 20:22:36,023 INFO L226 Difference]: Without dead ends: 341 [2023-04-01 20:22:36,033 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 20:22:36,036 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 520 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:36,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 41 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 20:22:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-04-01 20:22:36,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2023-04-01 20:22:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 322 states have (on average 1.4565217391304348) internal successors, (469), 324 states have internal predecessors, (469), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:22:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2023-04-01 20:22:36,100 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 117 [2023-04-01 20:22:36,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:36,101 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2023-04-01 20:22:36,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 20:22:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2023-04-01 20:22:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 20:22:36,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:36,106 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:36,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 20:22:36,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:36,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:36,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2036027184, now seen corresponding path program 1 times [2023-04-01 20:22:36,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:36,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83739267] [2023-04-01 20:22:36,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:36,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:36,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83739267] [2023-04-01 20:22:36,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83739267] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:36,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040933425] [2023-04-01 20:22:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:36,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:36,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:36,865 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 20:22:36,891 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 20:22:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:36,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:37,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:37,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:37,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040933425] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:37,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:37,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:22:37,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278674681] [2023-04-01 20:22:37,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:37,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:37,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:37,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:37,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:37,228 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 20:22:37,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:37,668 INFO L93 Difference]: Finished difference Result 954 states and 1405 transitions. [2023-04-01 20:22:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 125 [2023-04-01 20:22:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:37,673 INFO L225 Difference]: With dead ends: 954 [2023-04-01 20:22:37,673 INFO L226 Difference]: Without dead ends: 628 [2023-04-01 20:22:37,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:37,680 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 49 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:37,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 280 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 20:22:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-04-01 20:22:37,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 627. [2023-04-01 20:22:37,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 611 states have (on average 1.387888707037643) internal successors, (848), 615 states have internal predecessors, (848), 6 states have call successors, (6), 6 states have call predecessors, (6), 9 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2023-04-01 20:22:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 878 transitions. [2023-04-01 20:22:37,731 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 878 transitions. Word has length 125 [2023-04-01 20:22:37,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:37,733 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 878 transitions. [2023-04-01 20:22:37,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 20:22:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 878 transitions. [2023-04-01 20:22:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-01 20:22:37,737 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:37,737 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:37,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 20:22:37,942 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 20:22:37,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:37,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:37,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1183040748, now seen corresponding path program 1 times [2023-04-01 20:22:37,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:37,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096690990] [2023-04-01 20:22:37,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:38,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:38,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096690990] [2023-04-01 20:22:38,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096690990] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:38,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 20:22:38,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 20:22:38,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244563309] [2023-04-01 20:22:38,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:38,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 20:22:38,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:38,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 20:22:38,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-01 20:22:38,258 INFO L87 Difference]: Start difference. First operand 627 states and 878 transitions. Second operand has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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 20:22:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:39,472 INFO L93 Difference]: Finished difference Result 1886 states and 2752 transitions. [2023-04-01 20:22:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-01 20:22:39,472 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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 127 [2023-04-01 20:22:39,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:39,482 INFO L225 Difference]: With dead ends: 1886 [2023-04-01 20:22:39,482 INFO L226 Difference]: Without dead ends: 1265 [2023-04-01 20:22:39,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:22:39,487 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 1434 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:39,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 124 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 20:22:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2023-04-01 20:22:39,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1241. [2023-04-01 20:22:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 1199 states have (on average 1.2485404503753128) internal successors, (1497), 1221 states have internal predecessors, (1497), 10 states have call successors, (10), 10 states have call predecessors, (10), 31 states have return successors, (101), 9 states have call predecessors, (101), 9 states have call successors, (101) [2023-04-01 20:22:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1608 transitions. [2023-04-01 20:22:39,551 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1608 transitions. Word has length 127 [2023-04-01 20:22:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:39,552 INFO L495 AbstractCegarLoop]: Abstraction has 1241 states and 1608 transitions. [2023-04-01 20:22:39,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 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 20:22:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1608 transitions. [2023-04-01 20:22:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 20:22:39,558 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:39,558 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:39,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 20:22:39,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:39,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:39,559 INFO L85 PathProgramCache]: Analyzing trace with hash -745494074, now seen corresponding path program 1 times [2023-04-01 20:22:39,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:39,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364308937] [2023-04-01 20:22:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:39,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:39,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-01 20:22:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:22:40,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364308937] [2023-04-01 20:22:40,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364308937] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:40,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250929942] [2023-04-01 20:22:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:40,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:40,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:40,020 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 20:22:40,048 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 20:22:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:40,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:40,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:22:40,221 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:22:40,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250929942] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:40,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:40,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-04-01 20:22:40,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055747137] [2023-04-01 20:22:40,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:40,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 20:22:40,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:40,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 20:22:40,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:22:40,328 INFO L87 Difference]: Start difference. First operand 1241 states and 1608 transitions. Second operand has 13 states, 13 states have (on average 11.538461538461538) internal successors, (150), 11 states have internal predecessors, (150), 4 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 20:22:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:41,918 INFO L93 Difference]: Finished difference Result 2972 states and 4168 transitions. [2023-04-01 20:22:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 20:22:41,918 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.538461538461538) internal successors, (150), 11 states have internal predecessors, (150), 4 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 144 [2023-04-01 20:22:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:41,930 INFO L225 Difference]: With dead ends: 2972 [2023-04-01 20:22:41,930 INFO L226 Difference]: Without dead ends: 1737 [2023-04-01 20:22:41,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2023-04-01 20:22:41,936 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2064 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:41,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 87 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 1549 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-01 20:22:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2023-04-01 20:22:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1679. [2023-04-01 20:22:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1621 states have (on average 1.1752004935225169) internal successors, (1905), 1653 states have internal predecessors, (1905), 13 states have call successors, (13), 13 states have call predecessors, (13), 44 states have return successors, (157), 12 states have call predecessors, (157), 12 states have call successors, (157) [2023-04-01 20:22:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2075 transitions. [2023-04-01 20:22:42,010 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2075 transitions. Word has length 144 [2023-04-01 20:22:42,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:42,014 INFO L495 AbstractCegarLoop]: Abstraction has 1679 states and 2075 transitions. [2023-04-01 20:22:42,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.538461538461538) internal successors, (150), 11 states have internal predecessors, (150), 4 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-01 20:22:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2075 transitions. [2023-04-01 20:22:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 20:22:42,023 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:42,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:42,033 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 20:22:42,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-04-01 20:22:42,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:42,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 232002939, now seen corresponding path program 1 times [2023-04-01 20:22:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216803556] [2023-04-01 20:22:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:42,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:42,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216803556] [2023-04-01 20:22:42,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216803556] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:42,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787627577] [2023-04-01 20:22:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:42,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:42,733 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 20:22:42,765 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 20:22:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:42,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:42,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:42,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 20:22:42,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787627577] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 20:22:42,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 20:22:42,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-04-01 20:22:42,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936201320] [2023-04-01 20:22:42,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:42,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 20:22:42,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:42,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 20:22:42,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:42,982 INFO L87 Difference]: Start difference. First operand 1679 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 20:22:43,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:43,339 INFO L93 Difference]: Finished difference Result 3942 states and 4907 transitions. [2023-04-01 20:22:43,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 20:22:43,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 143 [2023-04-01 20:22:43,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:43,347 INFO L225 Difference]: With dead ends: 3942 [2023-04-01 20:22:43,347 INFO L226 Difference]: Without dead ends: 1674 [2023-04-01 20:22:43,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 20:22:43,352 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 33 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:43,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 268 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 20:22:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2023-04-01 20:22:43,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2023-04-01 20:22:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1617 states have (on average 1.1484230055658626) internal successors, (1857), 1648 states have internal predecessors, (1857), 13 states have call successors, (13), 13 states have call predecessors, (13), 43 states have return successors, (149), 12 states have call predecessors, (149), 12 states have call successors, (149) [2023-04-01 20:22:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2019 transitions. [2023-04-01 20:22:43,402 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2019 transitions. Word has length 143 [2023-04-01 20:22:43,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:43,402 INFO L495 AbstractCegarLoop]: Abstraction has 1674 states and 2019 transitions. [2023-04-01 20:22:43,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 20:22:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2019 transitions. [2023-04-01 20:22:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 20:22:43,407 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:43,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:43,417 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 20:22:43,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:43,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:43,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:43,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1183545273, now seen corresponding path program 1 times [2023-04-01 20:22:43,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13047856] [2023-04-01 20:22:43,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 20:22:44,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:44,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13047856] [2023-04-01 20:22:44,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13047856] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:44,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135338766] [2023-04-01 20:22:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:44,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:44,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:44,090 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 20:22:44,093 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 20:22:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:44,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 20:22:44,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 20:22:44,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-01 20:22:44,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135338766] provided 1 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:44,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-04-01 20:22:44,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2023-04-01 20:22:44,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292732068] [2023-04-01 20:22:44,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 20:22:44,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 20:22:44,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:44,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 20:22:44,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:44,666 INFO L87 Difference]: Start difference. First operand 1674 states and 2019 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:45,101 INFO L93 Difference]: Finished difference Result 5002 states and 6089 transitions. [2023-04-01 20:22:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 20:22:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 149 [2023-04-01 20:22:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:45,114 INFO L225 Difference]: With dead ends: 5002 [2023-04-01 20:22:45,115 INFO L226 Difference]: Without dead ends: 3334 [2023-04-01 20:22:45,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 295 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:45,119 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 337 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:45,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 48 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 20:22:45,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2023-04-01 20:22:45,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3186. [2023-04-01 20:22:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3081 states have (on average 1.151249594287569) internal successors, (3547), 3140 states have internal predecessors, (3547), 23 states have call successors, (23), 23 states have call predecessors, (23), 81 states have return successors, (319), 22 states have call predecessors, (319), 22 states have call successors, (319) [2023-04-01 20:22:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3889 transitions. [2023-04-01 20:22:45,198 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3889 transitions. Word has length 149 [2023-04-01 20:22:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:45,198 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 3889 transitions. [2023-04-01 20:22:45,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 20:22:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3889 transitions. [2023-04-01 20:22:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-01 20:22:45,206 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:45,206 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:45,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-01 20:22:45,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:45,413 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:45,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:45,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1859920864, now seen corresponding path program 1 times [2023-04-01 20:22:45,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:45,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791583377] [2023-04-01 20:22:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:45,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-01 20:22:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-01 20:22:45,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:45,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791583377] [2023-04-01 20:22:45,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791583377] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:45,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987255457] [2023-04-01 20:22:45,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:45,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:45,627 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 20:22:45,630 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 20:22:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:45,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:45,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:22:45,791 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-04-01 20:22:45,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987255457] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:45,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:45,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-04-01 20:22:45,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173354667] [2023-04-01 20:22:45,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:45,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:45,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:45,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:45,881 INFO L87 Difference]: Start difference. First operand 3186 states and 3889 transitions. Second operand has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 9 states have internal predecessors, (180), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:22:47,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:47,506 INFO L93 Difference]: Finished difference Result 7488 states and 9480 transitions. [2023-04-01 20:22:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-01 20:22:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 9 states have internal predecessors, (180), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 158 [2023-04-01 20:22:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:47,525 INFO L225 Difference]: With dead ends: 7488 [2023-04-01 20:22:47,525 INFO L226 Difference]: Without dead ends: 4308 [2023-04-01 20:22:47,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2023-04-01 20:22:47,535 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1906 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:47,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 133 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-01 20:22:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2023-04-01 20:22:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4216. [2023-04-01 20:22:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4216 states, 4082 states have (on average 1.0803527682508574) internal successors, (4410), 4156 states have internal predecessors, (4410), 30 states have call successors, (30), 30 states have call predecessors, (30), 103 states have return successors, (274), 29 states have call predecessors, (274), 29 states have call successors, (274) [2023-04-01 20:22:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 4714 transitions. [2023-04-01 20:22:47,664 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 4714 transitions. Word has length 158 [2023-04-01 20:22:47,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:47,665 INFO L495 AbstractCegarLoop]: Abstraction has 4216 states and 4714 transitions. [2023-04-01 20:22:47,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.363636363636363) internal successors, (180), 9 states have internal predecessors, (180), 4 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-04-01 20:22:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 4714 transitions. [2023-04-01 20:22:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-01 20:22:47,674 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:47,675 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:47,684 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 20:22:47,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:47,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:47,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:47,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1392878952, now seen corresponding path program 1 times [2023-04-01 20:22:47,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:47,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654185838] [2023-04-01 20:22:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-01 20:22:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-01 20:22:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 70 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 20:22:48,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:48,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654185838] [2023-04-01 20:22:48,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654185838] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:48,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381861026] [2023-04-01 20:22:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:48,161 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 20:22:48,182 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 20:22:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:48,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-01 20:22:48,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-01 20:22:48,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:48,451 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 71 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-01 20:22:48,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381861026] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:48,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:48,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-04-01 20:22:48,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973058089] [2023-04-01 20:22:48,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:48,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 20:22:48,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:48,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 20:22:48,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-01 20:22:48,454 INFO L87 Difference]: Start difference. First operand 4216 states and 4714 transitions. Second operand has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 9 states have internal predecessors, (223), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:49,278 INFO L93 Difference]: Finished difference Result 8865 states and 9946 transitions. [2023-04-01 20:22:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 20:22:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 9 states have internal predecessors, (223), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 186 [2023-04-01 20:22:49,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:49,297 INFO L225 Difference]: With dead ends: 8865 [2023-04-01 20:22:49,297 INFO L226 Difference]: Without dead ends: 4799 [2023-04-01 20:22:49,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-04-01 20:22:49,307 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 767 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:49,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 58 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 20:22:49,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4799 states. [2023-04-01 20:22:49,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4799 to 4787. [2023-04-01 20:22:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 4645 states have (on average 1.071259418729817) internal successors, (4976), 4719 states have internal predecessors, (4976), 34 states have call successors, (34), 34 states have call predecessors, (34), 107 states have return successors, (274), 33 states have call predecessors, (274), 33 states have call successors, (274) [2023-04-01 20:22:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 5284 transitions. [2023-04-01 20:22:49,457 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 5284 transitions. Word has length 186 [2023-04-01 20:22:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:49,457 INFO L495 AbstractCegarLoop]: Abstraction has 4787 states and 5284 transitions. [2023-04-01 20:22:49,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.272727272727273) internal successors, (223), 9 states have internal predecessors, (223), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-01 20:22:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 5284 transitions. [2023-04-01 20:22:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-01 20:22:49,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:49,468 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 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 20:22:49,479 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 20:22:49,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:49,675 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:49,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash -344489488, now seen corresponding path program 1 times [2023-04-01 20:22:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:49,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204161985] [2023-04-01 20:22:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-01 20:22:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-01 20:22:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 78 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-01 20:22:49,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:49,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204161985] [2023-04-01 20:22:49,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204161985] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:49,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672974608] [2023-04-01 20:22:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:49,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:49,873 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 20:22:49,895 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 20:22:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:49,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:22:50,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-01 20:22:50,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-01 20:22:50,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672974608] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:50,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:50,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-04-01 20:22:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972523111] [2023-04-01 20:22:50,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:50,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 20:22:50,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 20:22:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-04-01 20:22:50,152 INFO L87 Difference]: Start difference. First operand 4787 states and 5284 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 7 states have internal predecessors, (200), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:51,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:51,342 INFO L93 Difference]: Finished difference Result 8425 states and 9286 transitions. [2023-04-01 20:22:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 20:22:51,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 7 states have internal predecessors, (200), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 190 [2023-04-01 20:22:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:51,356 INFO L225 Difference]: With dead ends: 8425 [2023-04-01 20:22:51,357 INFO L226 Difference]: Without dead ends: 3634 [2023-04-01 20:22:51,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:22:51,366 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 842 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:51,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 61 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 20:22:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2023-04-01 20:22:51,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3473. [2023-04-01 20:22:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 3357 states have (on average 1.0628537384569556) internal successors, (3568), 3423 states have internal predecessors, (3568), 25 states have call successors, (25), 25 states have call predecessors, (25), 90 states have return successors, (169), 24 states have call predecessors, (169), 24 states have call successors, (169) [2023-04-01 20:22:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 3762 transitions. [2023-04-01 20:22:51,460 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 3762 transitions. Word has length 190 [2023-04-01 20:22:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:51,460 INFO L495 AbstractCegarLoop]: Abstraction has 3473 states and 3762 transitions. [2023-04-01 20:22:51,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 7 states have internal predecessors, (200), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-04-01 20:22:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 3762 transitions. [2023-04-01 20:22:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-04-01 20:22:51,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 20:22:51,469 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:51,479 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 20:22:51,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:51,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 20:22:51,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 20:22:51,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1533363429, now seen corresponding path program 1 times [2023-04-01 20:22:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-01 20:22:51,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231196575] [2023-04-01 20:22:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 20:22:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-01 20:22:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-01 20:22:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-01 20:22:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-01 20:22:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-01 20:22:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 172 proven. 20 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-04-01 20:22:52,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-01 20:22:52,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231196575] [2023-04-01 20:22:52,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231196575] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 20:22:52,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071928384] [2023-04-01 20:22:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 20:22:52,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 20:22:52,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 20:22:52,122 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 20:22:52,124 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 20:22:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 20:22:52,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 7 conjunts are in the unsatisfiable core [2023-04-01 20:22:52,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 20:22:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:22:52,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 20:22:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 20:22:52,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071928384] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 20:22:52,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 20:22:52,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2023-04-01 20:22:52,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998145922] [2023-04-01 20:22:52,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 20:22:52,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-01 20:22:52,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-01 20:22:52,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-01 20:22:52,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-04-01 20:22:52,474 INFO L87 Difference]: Start difference. First operand 3473 states and 3762 transitions. Second operand has 13 states, 13 states have (on average 19.53846153846154) internal successors, (254), 11 states have internal predecessors, (254), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:22:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 20:22:55,356 INFO L93 Difference]: Finished difference Result 5419 states and 5874 transitions. [2023-04-01 20:22:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-01 20:22:55,357 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 19.53846153846154) internal successors, (254), 11 states have internal predecessors, (254), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 259 [2023-04-01 20:22:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 20:22:55,357 INFO L225 Difference]: With dead ends: 5419 [2023-04-01 20:22:55,357 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 20:22:55,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2023-04-01 20:22:55,364 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 1809 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4110 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 4110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-04-01 20:22:55,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 130 Invalid, 4245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 4110 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-04-01 20:22:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 20:22:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 20:22:55,366 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 20:22:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 20:22:55,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2023-04-01 20:22:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 20:22:55,367 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 20:22:55,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.53846153846154) internal successors, (254), 11 states have internal predecessors, (254), 5 states have call successors, (11), 6 states have call predecessors, (11), 7 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2023-04-01 20:22:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 20:22:55,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 20:22:55,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 20:22:55,378 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 20:22:55,578 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,SelfDestructingSolverStorable9 [2023-04-01 20:22:55,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 20:22:58,453 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-04-01 20:22:58,453 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-04-01 20:22:58,453 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-04-01 20:22:58,453 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:58,454 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse7 (<= ~a17~0 7)) (.cse9 (<= ~a28~0 9)) (.cse2 (= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse8 (= ~a25~0 1)) (.cse0 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10)) (.cse6 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (< 8 |old(~a17~0)|) (and .cse7 .cse3) (and .cse4 .cse8 .cse1 .cse6) (< 7 |old(~a28~0)|) (and .cse4 .cse8 (= ~a28~0 10) .cse1) (not (= |old(~a19~0)| 1)) (and .cse8 .cse1 (<= ~a11~0 0) .cse6 .cse3) (and .cse4 .cse9 (not (= ~a28~0 9)) .cse1 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse10 .cse7) (and .cse10 .cse9 .cse0 .cse1 .cse6 .cse2) (and .cse10 .cse8 .cse0 .cse1 .cse5 .cse6))) [2023-04-01 20:22:58,454 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-04-01 20:22:58,454 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-01 20:22:58,454 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 8 |old(~a17~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-04-01 20:22:58,455 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (<= ~a28~0 7)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse7 (<= ~a17~0 7)) (.cse9 (<= ~a28~0 9)) (.cse2 (= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse8 (= ~a25~0 1)) (.cse0 (= ~a11~0 1)) (.cse1 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10)) (.cse6 (= ~a19~0 1))) (or (< 0 |old(~a11~0)|) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (< 8 |old(~a17~0)|) (and .cse7 .cse3) (and .cse4 .cse8 .cse1 .cse6) (< 7 |old(~a28~0)|) (and .cse4 .cse8 (= ~a28~0 10) .cse1) (not (= |old(~a19~0)| 1)) (and .cse8 .cse1 (<= ~a11~0 0) .cse6 .cse3) (and .cse4 .cse9 (not (= ~a28~0 9)) .cse1 .cse2) (not (= 0 |old(~a25~0)|)) (and .cse10 .cse7) (and .cse10 .cse9 .cse0 .cse1 .cse6 .cse2) (and .cse10 .cse8 .cse0 .cse1 .cse5 .cse6))) [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:58,455 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-04-01 20:22:58,455 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-04-01 20:22:58,456 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,457 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-04-01 20:22:58,458 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-04-01 20:22:58,459 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-04-01 20:22:58,460 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-04-01 20:22:58,461 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-04-01 20:22:58,462 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,463 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,464 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,465 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-04-01 20:22:58,466 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-04-01 20:22:58,467 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse19 (= ~a19~0 |old(~a19~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|))) (let ((.cse14 (and .cse12 .cse19 .cse0 .cse2 (= ~a25~0 |old(~a25~0)|))) (.cse15 (< 7 |old(~a17~0)|)) (.cse18 (< 7 |old(~a28~0)|)) (.cse6 (< 9 |old(~a28~0)|)) (.cse9 (not (= 0 |old(~a25~0)|))) (.cse4 (= ~a25~0 0)) (.cse11 (< 0 |old(~a11~0)|)) (.cse5 (< 8 |old(~a17~0)|)) (.cse16 (not (= |old(~a25~0)| 1))) (.cse20 (= 9 |old(~a28~0)|)) (.cse7 (< |old(~a28~0)| 9)) (.cse17 (= ~a25~0 1)) (.cse1 (= ~a11~0 1)) (.cse21 (= ~a28~0 10)) (.cse3 (= ~a19~0 1)) (.cse8 (not (= |old(~a19~0)| 1))) (.cse10 (not (= |old(~a11~0)| 1))) (.cse13 (< 10 |old(~a28~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse5 .cse8 .cse9 (and .cse12 .cse0 .cse2 .cse3 .cse4) .cse13) (or .cse7 .cse14 .cse15) (or .cse11 .cse5 .cse16 .cse8 (and .cse12 .cse17 .cse0 .cse2 .cse3)) (or (and .cse17 .cse0 .cse1 .cse2 .cse3) .cse5 .cse16 .cse6 .cse7 .cse8 .cse10) (or .cse18 .cse14 .cse15) (or .cse5 .cse18 (and .cse19 .cse0 .cse1 .cse2 .cse4) .cse9 .cse10) (or .cse11 .cse5 .cse20 .cse6 .cse9 (and .cse12 .cse19 .cse0 .cse2 .cse4)) (or .cse11 .cse5 .cse16 .cse20 .cse7 (and .cse12 .cse17 .cse19 .cse0 .cse21) .cse13) (or .cse5 .cse16 .cse20 .cse7 (and .cse17 .cse0 .cse1 .cse21 .cse3) .cse8 .cse10 .cse13)))) [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-04-01 20:22:58,468 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-04-01 20:22:58,469 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-04-01 20:22:58,470 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-04-01 20:22:58,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 20:22:58,472 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-04-01 20:22:58,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 20:22:58,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 20:22:58,475 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 20:22:58,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 20:22:58,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 08:22:58 BoogieIcfgContainer [2023-04-01 20:22:58,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 20:22:58,501 INFO L158 Benchmark]: Toolchain (without parser) took 26405.00ms. Allocated memory was 280.0MB in the beginning and 616.6MB in the end (delta: 336.6MB). Free memory was 227.4MB in the beginning and 303.6MB in the end (delta: -76.2MB). Peak memory consumption was 363.7MB. Max. memory is 8.0GB. [2023-04-01 20:22:58,501 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 191.9MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 20:22:58,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.86ms. Allocated memory is still 280.0MB. Free memory was 227.4MB in the beginning and 200.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:58,502 INFO L158 Benchmark]: Boogie Preprocessor took 95.30ms. Allocated memory is still 280.0MB. Free memory was 200.7MB in the beginning and 196.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:58,502 INFO L158 Benchmark]: RCFGBuilder took 1143.87ms. Allocated memory is still 280.0MB. Free memory was 196.0MB in the beginning and 189.7MB in the end (delta: 6.2MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2023-04-01 20:22:58,502 INFO L158 Benchmark]: TraceAbstraction took 24690.96ms. Allocated memory was 280.0MB in the beginning and 616.6MB in the end (delta: 336.6MB). Free memory was 189.2MB in the beginning and 303.6MB in the end (delta: -114.4MB). Peak memory consumption was 324.9MB. Max. memory is 8.0GB. [2023-04-01 20:22:58,503 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 191.9MB. Free memory was 137.2MB in the beginning and 137.1MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.86ms. Allocated memory is still 280.0MB. Free memory was 227.4MB in the beginning and 200.7MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.30ms. Allocated memory is still 280.0MB. Free memory was 200.7MB in the beginning and 196.0MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1143.87ms. Allocated memory is still 280.0MB. Free memory was 196.0MB in the beginning and 189.7MB in the end (delta: 6.2MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. * TraceAbstraction took 24690.96ms. Allocated memory was 280.0MB in the beginning and 616.6MB in the end (delta: 336.6MB). Free memory was 189.2MB in the beginning and 303.6MB in the end (delta: -114.4MB). Peak memory consumption was 324.9MB. 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: 515]: 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, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9762 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9761 mSDsluCounter, 1230 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 538 mSDsCounter, 1310 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11574 IncrementalHoareTripleChecker+Invalid, 12884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1310 mSolverCounterUnsat, 692 mSDtfsCounter, 11574 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2673 GetRequests, 2522 SyntacticMatches, 9 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4787occurred in iteration=8, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 505 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 163 PreInvPairs, 205 NumberOfFragments, 754 HoareAnnotationTreeSize, 163 FomulaSimplifications, 10956 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3490 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2952 NumberOfCodeBlocks, 2952 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4014 ConstructedInterpolants, 0 QuantifiedInterpolants, 12376 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3700 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 1782/1971 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: 616]: Loop Invariant Derived loop invariant: (((((((((((((0 < \old(a11) || (((a11 == 1 && a17 <= 8) && a25 == 0) && a28 <= 7)) || ((((a11 == \old(a11) && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0)) || 8 < \old(a17)) || (a17 <= 7 && a28 <= 7)) || (((a11 == \old(a11) && a25 == 1) && a17 <= 8) && a19 == 1)) || 7 < \old(a28)) || (((a11 == \old(a11) && a25 == 1) && a28 == 10) && a17 <= 8)) || !(\old(a19) == 1)) || ((((a25 == 1 && a17 <= 8) && a11 <= 0) && a19 == 1) && a28 <= 7)) || ((((a11 == \old(a11) && a28 <= 9) && !(a28 == 9)) && a17 <= 8) && a25 == 0)) || !(0 == \old(a25))) || (9 <= a28 && a17 <= 7)) || (((((9 <= a28 && a28 <= 9) && a11 == 1) && a17 <= 8) && a19 == 1) && a25 == 0)) || (((((9 <= a28 && a25 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2023-04-01 20:22:58,520 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...