/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_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:43:19,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:43:19,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:43:19,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:43:20,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 22:43:20,072 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:43:20,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:43:20,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:43:20,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:43:20,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:43:20,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:43:20,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:43:20,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:43:20,077 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:43:20,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:43:20,078 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:43:20,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:43:20,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:43:20,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:43:20,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:43:20,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:43:20,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:43:20,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:43:20,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:20,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:43:20,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:43:20,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:43:20,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:43:20,081 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:43:20,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:43:20,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:43:20,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:43:20,344 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:43:20,344 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:43:20,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2023-03-30 22:43:21,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:43:21,724 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:43:21,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label37.c [2023-03-30 22:43:21,752 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c86916e9/b9cd18ded0e94ffdbfe9c17e22496d00/FLAG0e8322495 [2023-03-30 22:43:21,765 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c86916e9/b9cd18ded0e94ffdbfe9c17e22496d00 [2023-03-30 22:43:21,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:43:21,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:43:21,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:21,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:43:21,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:43:21,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3121f930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:21, skipping insertion in model container [2023-03-30 22:43:21,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:21" (1/1) ... [2023-03-30 22:43:21,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:43:21,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:43:22,145 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_label37.c[19058,19071] [2023-03-30 22:43:22,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:22,194 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:43:22,268 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_label37.c[19058,19071] [2023-03-30 22:43:22,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:22,292 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:43:22,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22 WrapperNode [2023-03-30 22:43:22,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:22,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:43:22,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:43:22,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:43:22,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:43:22,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:43:22,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:43:22,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:43:22,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (1/1) ... [2023-03-30 22:43:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:22,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:22,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 22:43:22,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 22:43:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:43:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:43:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:43:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:43:22,602 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:43:22,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:43:23,478 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:43:23,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:43:23,486 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:43:23,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:23 BoogieIcfgContainer [2023-03-30 22:43:23,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:43:23,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:43:23,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:43:23,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:43:23,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:43:21" (1/3) ... [2023-03-30 22:43:23,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da5f8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:23, skipping insertion in model container [2023-03-30 22:43:23,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:22" (2/3) ... [2023-03-30 22:43:23,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da5f8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:23, skipping insertion in model container [2023-03-30 22:43:23,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:23" (3/3) ... [2023-03-30 22:43:23,496 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label37.c [2023-03-30 22:43:23,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:43:23,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:43:23,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:43:23,571 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;@63c4715b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:43:23,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:43:23,577 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) [2023-03-30 22:43:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-03-30 22:43:23,590 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:23,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:23,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:23,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:23,596 INFO L85 PathProgramCache]: Analyzing trace with hash -487540639, now seen corresponding path program 1 times [2023-03-30 22:43:23,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:23,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404783283] [2023-03-30 22:43:23,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:23,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:24,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:24,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404783283] [2023-03-30 22:43:24,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404783283] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:24,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 22:43:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988157395] [2023-03-30 22:43:24,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:24,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-30 22:43:24,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:24,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-30 22:43:24,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-30 22:43:24,500 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 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2023-03-30 22:43:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:25,643 INFO L93 Difference]: Finished difference Result 671 states and 1125 transitions. [2023-03-30 22:43:25,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:43:25,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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 126 [2023-03-30 22:43:25,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:25,662 INFO L225 Difference]: With dead ends: 671 [2023-03-30 22:43:25,662 INFO L226 Difference]: Without dead ends: 341 [2023-03-30 22:43:25,668 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 [2023-03-30 22:43:25,673 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 511 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 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 [2023-03-30 22:43:25,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 41 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-30 22:43:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-03-30 22:43:25,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2023-03-30 22:43:25,747 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) [2023-03-30 22:43:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 480 transitions. [2023-03-30 22:43:25,750 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 480 transitions. Word has length 126 [2023-03-30 22:43:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:25,751 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 480 transitions. [2023-03-30 22:43:25,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 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) [2023-03-30 22:43:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 480 transitions. [2023-03-30 22:43:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-03-30 22:43:25,756 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:25,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:25,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:43:25,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:25,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1479037675, now seen corresponding path program 1 times [2023-03-30 22:43:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:25,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136167036] [2023-03-30 22:43:25,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136167036] [2023-03-30 22:43:26,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136167036] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:26,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901153920] [2023-03-30 22:43:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:26,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:26,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:26,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:43:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:26,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:26,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:26,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:26,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901153920] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:26,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:26,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:26,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432808604] [2023-03-30 22:43:26,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:26,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:26,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:26,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:26,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:26,854 INFO L87 Difference]: Start difference. First operand 332 states and 480 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2023-03-30 22:43:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:27,283 INFO L93 Difference]: Finished difference Result 951 states and 1399 transitions. [2023-03-30 22:43:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:27,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 134 [2023-03-30 22:43:27,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:27,290 INFO L225 Difference]: With dead ends: 951 [2023-03-30 22:43:27,290 INFO L226 Difference]: Without dead ends: 625 [2023-03-30 22:43:27,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:27,292 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 102 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:27,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 58 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-30 22:43:27,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-03-30 22:43:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 479. [2023-03-30 22:43:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 466 states have (on average 1.4742489270386265) internal successors, (687), 469 states have internal predecessors, (687), 5 states have call successors, (5), 5 states have call predecessors, (5), 7 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2023-03-30 22:43:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 706 transitions. [2023-03-30 22:43:27,327 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 706 transitions. Word has length 134 [2023-03-30 22:43:27,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:27,328 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 706 transitions. [2023-03-30 22:43:27,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2023-03-30 22:43:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 706 transitions. [2023-03-30 22:43:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-03-30 22:43:27,332 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:27,332 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:27,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-30 22:43:27,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:27,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:27,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -852962961, now seen corresponding path program 1 times [2023-03-30 22:43:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:27,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133145027] [2023-03-30 22:43:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:27,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:27,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:27,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133145027] [2023-03-30 22:43:27,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133145027] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:27,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:27,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:43:27,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353978191] [2023-03-30 22:43:27,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:27,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:43:27,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:27,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:43:27,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:43:27,829 INFO L87 Difference]: Start difference. First operand 479 states and 706 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 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) [2023-03-30 22:43:29,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:29,187 INFO L93 Difference]: Finished difference Result 1724 states and 2620 transitions. [2023-03-30 22:43:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:43:29,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 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 141 [2023-03-30 22:43:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:29,194 INFO L225 Difference]: With dead ends: 1724 [2023-03-30 22:43:29,194 INFO L226 Difference]: Without dead ends: 1251 [2023-03-30 22:43:29,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-03-30 22:43:29,197 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 783 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:29,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 96 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-30 22:43:29,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-03-30 22:43:29,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1232. [2023-03-30 22:43:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1199 states have (on average 1.4095079232693912) internal successors, (1690), 1212 states have internal predecessors, (1690), 10 states have call successors, (10), 10 states have call predecessors, (10), 22 states have return successors, (70), 9 states have call predecessors, (70), 9 states have call successors, (70) [2023-03-30 22:43:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2023-03-30 22:43:29,259 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 141 [2023-03-30 22:43:29,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:29,259 INFO L495 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2023-03-30 22:43:29,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 5 states have internal predecessors, (135), 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) [2023-03-30 22:43:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2023-03-30 22:43:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-03-30 22:43:29,263 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:29,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:29,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 22:43:29,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:29,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:29,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2121572805, now seen corresponding path program 1 times [2023-03-30 22:43:29,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:29,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367539666] [2023-03-30 22:43:29,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:29,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:43:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:43:29,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:29,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367539666] [2023-03-30 22:43:29,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367539666] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:29,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696018238] [2023-03-30 22:43:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:29,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:29,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:29,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:29,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:43:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:29,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:29,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:29,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:29,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696018238] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:29,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:29,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457856193] [2023-03-30 22:43:29,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:29,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:29,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:29,874 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:30,759 INFO L93 Difference]: Finished difference Result 2459 states and 3602 transitions. [2023-03-30 22:43:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:30,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 149 [2023-03-30 22:43:30,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:30,768 INFO L225 Difference]: With dead ends: 2459 [2023-03-30 22:43:30,768 INFO L226 Difference]: Without dead ends: 1233 [2023-03-30 22:43:30,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 302 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-03-30 22:43:30,772 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1488 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:30,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 46 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-30 22:43:30,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2023-03-30 22:43:30,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 919. [2023-03-30 22:43:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 896 states have (on average 1.3761160714285714) internal successors, (1233), 903 states have internal predecessors, (1233), 8 states have call successors, (8), 8 states have call predecessors, (8), 14 states have return successors, (39), 7 states have call predecessors, (39), 7 states have call successors, (39) [2023-03-30 22:43:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1280 transitions. [2023-03-30 22:43:30,816 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1280 transitions. Word has length 149 [2023-03-30 22:43:30,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:30,816 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1280 transitions. [2023-03-30 22:43:30,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 10 states have internal predecessors, (169), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1280 transitions. [2023-03-30 22:43:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-03-30 22:43:30,819 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:30,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:30,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:31,025 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 [2023-03-30 22:43:31,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:31,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:31,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1563993910, now seen corresponding path program 1 times [2023-03-30 22:43:31,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:31,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375894226] [2023-03-30 22:43:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:31,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:31,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:31,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375894226] [2023-03-30 22:43:31,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375894226] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:31,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159170232] [2023-03-30 22:43:31,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:31,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:31,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:31,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:31,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:43:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:31,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:31,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:31,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:31,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159170232] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:31,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:31,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927035445] [2023-03-30 22:43:31,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:31,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:31,966 INFO L87 Difference]: Start difference. First operand 919 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2023-03-30 22:43:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:32,373 INFO L93 Difference]: Finished difference Result 2712 states and 3856 transitions. [2023-03-30 22:43:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:32,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 152 [2023-03-30 22:43:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:32,382 INFO L225 Difference]: With dead ends: 2712 [2023-03-30 22:43:32,382 INFO L226 Difference]: Without dead ends: 1799 [2023-03-30 22:43:32,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:32,386 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 30 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:32,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:32,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2023-03-30 22:43:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1511. [2023-03-30 22:43:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1473 states have (on average 1.2559402579769179) internal successors, (1850), 1487 states have internal predecessors, (1850), 12 states have call successors, (12), 12 states have call predecessors, (12), 25 states have return successors, (91), 11 states have call predecessors, (91), 11 states have call successors, (91) [2023-03-30 22:43:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 1953 transitions. [2023-03-30 22:43:32,436 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 1953 transitions. Word has length 152 [2023-03-30 22:43:32,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:32,437 INFO L495 AbstractCegarLoop]: Abstraction has 1511 states and 1953 transitions. [2023-03-30 22:43:32,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2023-03-30 22:43:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1953 transitions. [2023-03-30 22:43:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-03-30 22:43:32,441 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:32,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:32,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:32,648 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 [2023-03-30 22:43:32,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:32,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1634843620, now seen corresponding path program 1 times [2023-03-30 22:43:32,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:32,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815374553] [2023-03-30 22:43:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:32,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:43:32,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:32,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815374553] [2023-03-30 22:43:32,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815374553] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005566441] [2023-03-30 22:43:32,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:32,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:32,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:32,892 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) [2023-03-30 22:43:32,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:43:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:33,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:33,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:33,084 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:33,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005566441] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:33,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:33,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:43:33,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385946059] [2023-03-30 22:43:33,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:33,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:33,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:33,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:33,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:33,220 INFO L87 Difference]: Start difference. First operand 1511 states and 1953 transitions. Second operand has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:35,898 INFO L93 Difference]: Finished difference Result 6050 states and 8646 transitions. [2023-03-30 22:43:35,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-30 22:43:35,899 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 165 [2023-03-30 22:43:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:35,921 INFO L225 Difference]: With dead ends: 6050 [2023-03-30 22:43:35,921 INFO L226 Difference]: Without dead ends: 4545 [2023-03-30 22:43:35,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 341 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-03-30 22:43:35,929 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 2925 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:35,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 160 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-03-30 22:43:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2023-03-30 22:43:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 4181. [2023-03-30 22:43:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4181 states, 4065 states have (on average 1.1544895448954489) internal successors, (4693), 4121 states have internal predecessors, (4693), 30 states have call successors, (30), 30 states have call predecessors, (30), 85 states have return successors, (382), 29 states have call predecessors, (382), 29 states have call successors, (382) [2023-03-30 22:43:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5105 transitions. [2023-03-30 22:43:36,065 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5105 transitions. Word has length 165 [2023-03-30 22:43:36,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:36,065 INFO L495 AbstractCegarLoop]: Abstraction has 4181 states and 5105 transitions. [2023-03-30 22:43:36,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.833333333333332) internal successors, (214), 10 states have internal predecessors, (214), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5105 transitions. [2023-03-30 22:43:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-03-30 22:43:36,076 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:36,076 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:36,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:36,284 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 [2023-03-30 22:43:36,284 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:36,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:36,284 INFO L85 PathProgramCache]: Analyzing trace with hash 362095847, now seen corresponding path program 1 times [2023-03-30 22:43:36,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:36,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471874878] [2023-03-30 22:43:36,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:36,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-30 22:43:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-30 22:43:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-30 22:43:36,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:36,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471874878] [2023-03-30 22:43:36,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471874878] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:36,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281449902] [2023-03-30 22:43:36,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:36,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:36,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:36,591 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) [2023-03-30 22:43:36,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:43:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:36,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:36,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-30 22:43:36,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-30 22:43:36,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281449902] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:36,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:36,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-03-30 22:43:36,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784864844] [2023-03-30 22:43:36,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:36,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-30 22:43:36,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:36,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-30 22:43:36,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-30 22:43:36,920 INFO L87 Difference]: Start difference. First operand 4181 states and 5105 transitions. Second operand has 11 states, 11 states have (on average 21.454545454545453) internal successors, (236), 9 states have internal predecessors, (236), 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) [2023-03-30 22:43:37,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:37,796 INFO L93 Difference]: Finished difference Result 7804 states and 9562 transitions. [2023-03-30 22:43:37,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.454545454545453) internal successors, (236), 9 states have internal predecessors, (236), 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 214 [2023-03-30 22:43:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:37,797 INFO L225 Difference]: With dead ends: 7804 [2023-03-30 22:43:37,797 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:43:37,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 436 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-30 22:43:37,811 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 505 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:37,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 69 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 22:43:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:43:37,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:43:37,813 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) [2023-03-30 22:43:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:43:37,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-03-30 22:43:37,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:37,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:43:37,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.454545454545453) internal successors, (236), 9 states have internal predecessors, (236), 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) [2023-03-30 22:43:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:43:37,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:43:37,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:43:37,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:38,022 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 [2023-03-30 22:43:38,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:43:40,514 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:43:40,514 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:43:40,514 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:43:40,514 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:40,515 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and (= ~a17~0 8) (= ~a19~0 1) (not (= ~a11~0 1))) (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|))) [2023-03-30 22:43:40,515 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:43:40,515 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:43:40,515 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-03-30 22:43:40,515 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (and (= ~a17~0 8) (= ~a19~0 1) (not (= ~a11~0 1))) (and (<= ~a17~0 8) (<= ~a28~0 10)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|))) [2023-03-30 22:43:40,515 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:40,516 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|)) [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:43:40,516 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:43:40,517 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,518 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:43:40,519 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,520 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:43:40,521 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,522 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:43:40,523 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:43:40,524 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:43:40,525 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,526 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:43:40,527 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:43:40,528 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:43:40,529 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:43:40,530 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,531 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:43:40,532 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|))) (and (or (< 8 |old(~a17~0)|) (and .cse0 (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) .cse1 .cse2) (< 10 |old(~a28~0)|)) (or (and (= ~a17~0 8) .cse0 .cse1 (= ~a19~0 1) .cse2) (= |old(~a11~0)| 1) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|))))) [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,533 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:43:40,534 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:43:40,535 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:40,536 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)) [2023-03-30 22:43:40,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:40,536 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:43:40,539 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:40,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:43:40,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:43:40 BoogieIcfgContainer [2023-03-30 22:43:40,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:43:40,555 INFO L158 Benchmark]: Toolchain (without parser) took 18785.61ms. Allocated memory was 284.2MB in the beginning and 634.4MB in the end (delta: 350.2MB). Free memory was 235.3MB in the beginning and 329.1MB in the end (delta: -93.7MB). Peak memory consumption was 311.0MB. Max. memory is 8.0GB. [2023-03-30 22:43:40,555 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:43:40,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.91ms. Allocated memory is still 284.2MB. Free memory was 235.3MB in the beginning and 209.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:40,556 INFO L158 Benchmark]: Boogie Preprocessor took 99.61ms. Allocated memory is still 284.2MB. Free memory was 209.1MB in the beginning and 204.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:40,556 INFO L158 Benchmark]: RCFGBuilder took 1093.16ms. Allocated memory is still 284.2MB. Free memory was 204.4MB in the beginning and 131.0MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-03-30 22:43:40,556 INFO L158 Benchmark]: TraceAbstraction took 17064.35ms. Allocated memory was 284.2MB in the beginning and 634.4MB in the end (delta: 350.2MB). Free memory was 130.5MB in the beginning and 329.1MB in the end (delta: -198.6MB). Peak memory consumption was 206.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:40,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.91ms. Allocated memory is still 284.2MB. Free memory was 235.3MB in the beginning and 209.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.61ms. Allocated memory is still 284.2MB. Free memory was 209.1MB in the beginning and 204.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1093.16ms. Allocated memory is still 284.2MB. Free memory was 204.4MB in the beginning and 131.0MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 17064.35ms. Allocated memory was 284.2MB in the beginning and 634.4MB in the end (delta: 350.2MB). Free memory was 130.5MB in the beginning and 329.1MB in the end (delta: -198.6MB). Peak memory consumption was 206.2MB. 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: 542]: 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: 17.0s, OverallIterations: 7, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6352 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6344 mSDsluCounter, 571 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 1147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6420 IncrementalHoareTripleChecker+Invalid, 7567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1147 mSolverCounterUnsat, 238 mSDtfsCounter, 6420 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1473 GetRequests, 1377 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4181occurred in iteration=6, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1140 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 148 NumberOfFragments, 236 HoareAnnotationTreeSize, 88 FomulaSimplifications, 26016 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6164 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1895 NumberOfCodeBlocks, 1895 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2408 ConstructedInterpolants, 0 QuantifiedInterpolants, 7612 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2191 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 666/770 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) || 7 < \old(a28)) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || (a17 <= 8 && a28 <= 10)) || !(\old(a19) == 1)) || !(0 == \old(a25))) || !(8 == \old(a17)) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:43:40,572 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...