/usr/lib/jvm/java-1.11.0-openjdk-amd64/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 --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 18:13:41,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 18:13:41,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 18:13:41,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 18:13:41,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 18:13:41,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 18:13:41,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 18:13:41,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 18:13:41,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 18:13:41,706 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 18:13:41,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 18:13:41,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 18:13:41,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 18:13:41,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 18:13:41,708 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 18:13:41,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 18:13:41,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 18:13:41,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 18:13:41,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 18:13:41,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 18:13:41,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 18:13:41,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 18:13:41,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 18:13:41,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 18:13:41,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 18:13:41,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 18:13:41,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 18:13:41,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 18:13:41,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 18:13:41,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 18:13:41,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 18:13:41,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 18:13:41,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 18:13:41,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 18:13:41,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 18:13:41,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 18:13:41,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 18:13:41,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 18:13:41,714 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 18:13:41,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 18:13:41,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 18:13:41,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 18:13:41,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 18:13:41,920 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 18:13:41,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2023-12-15 18:13:42,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 18:13:43,199 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 18:13:43,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2023-12-15 18:13:43,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc14c26c5/2260d7a5443d4402a1bac5e05c360b6e/FLAGe56156138 [2023-12-15 18:13:43,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc14c26c5/2260d7a5443d4402a1bac5e05c360b6e [2023-12-15 18:13:43,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 18:13:43,229 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 18:13:43,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 18:13:43,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 18:13:43,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 18:13:43,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab1cfa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43, skipping insertion in model container [2023-12-15 18:13:43,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 18:13:43,490 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c[15650,15663] [2023-12-15 18:13:43,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 18:13:43,517 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 18:13:43,561 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c[15650,15663] [2023-12-15 18:13:43,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 18:13:43,592 INFO L206 MainTranslator]: Completed translation [2023-12-15 18:13:43,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43 WrapperNode [2023-12-15 18:13:43,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 18:13:43,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 18:13:43,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 18:13:43,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 18:13:43,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,667 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-12-15 18:13:43,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 18:13:43,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 18:13:43,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 18:13:43,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 18:13:43,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,688 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,710 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 18:13:43,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 18:13:43,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 18:13:43,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 18:13:43,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 18:13:43,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (1/1) ... [2023-12-15 18:13:43,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 18:13:43,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:13:43,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 18:13:43,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 18:13:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 18:13:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 18:13:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 18:13:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 18:13:43,874 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 18:13:43,876 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 18:13:44,533 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 18:13:44,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 18:13:44,581 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 18:13:44,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 06:13:44 BoogieIcfgContainer [2023-12-15 18:13:44,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 18:13:44,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 18:13:44,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 18:13:44,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 18:13:44,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 06:13:43" (1/3) ... [2023-12-15 18:13:44,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 06:13:44, skipping insertion in model container [2023-12-15 18:13:44,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 06:13:43" (2/3) ... [2023-12-15 18:13:44,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 06:13:44, skipping insertion in model container [2023-12-15 18:13:44,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 06:13:44" (3/3) ... [2023-12-15 18:13:44,588 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2023-12-15 18:13:44,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 18:13:44,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 18:13:44,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 18:13:44,653 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=LoopHeads, 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;@77370522, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 18:13:44,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 18:13:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 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) [2023-12-15 18:13:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 18:13:44,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:44,666 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] [2023-12-15 18:13:44,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:44,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:44,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1377106940, now seen corresponding path program 1 times [2023-12-15 18:13:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:44,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823694543] [2023-12-15 18:13:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:44,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:44,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:44,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823694543] [2023-12-15 18:13:44,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823694543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:44,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:44,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:13:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585591842] [2023-12-15 18:13:44,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:44,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 18:13:44,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:44,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 18:13:44,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 18:13:44,973 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 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) Second operand has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-12-15 18:13:45,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:45,013 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-15 18:13:45,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 18:13:45,014 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) Word has length 89 [2023-12-15 18:13:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:45,024 INFO L225 Difference]: With dead ends: 329 [2023-12-15 18:13:45,024 INFO L226 Difference]: Without dead ends: 163 [2023-12-15 18:13:45,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 18:13:45,029 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:45,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 18:13:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-15 18:13:45,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-15 18:13:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 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) [2023-12-15 18:13:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-15 18:13:45,057 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 89 [2023-12-15 18:13:45,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:45,057 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-15 18:13:45,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-12-15 18:13:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-15 18:13:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 18:13:45,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:45,059 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] [2023-12-15 18:13:45,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 18:13:45,060 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:45,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash 266918181, now seen corresponding path program 1 times [2023-12-15 18:13:45,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:45,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103474405] [2023-12-15 18:13:45,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:45,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:45,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:45,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103474405] [2023-12-15 18:13:45,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103474405] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:45,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:45,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:13:45,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439474966] [2023-12-15 18:13:45,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:45,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:45,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:45,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:45,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:45,241 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-12-15 18:13:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:45,608 INFO L93 Difference]: Finished difference Result 479 states and 731 transitions. [2023-12-15 18:13:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:45,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) Word has length 89 [2023-12-15 18:13:45,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:45,614 INFO L225 Difference]: With dead ends: 479 [2023-12-15 18:13:45,614 INFO L226 Difference]: Without dead ends: 317 [2023-12-15 18:13:45,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:45,618 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 116 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:45,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 72 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-12-15 18:13:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2023-12-15 18:13:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 1.4746835443037976) internal successors, (466), 316 states have internal predecessors, (466), 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) [2023-12-15 18:13:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 466 transitions. [2023-12-15 18:13:45,638 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 466 transitions. Word has length 89 [2023-12-15 18:13:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:45,639 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 466 transitions. [2023-12-15 18:13:45,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-12-15 18:13:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 466 transitions. [2023-12-15 18:13:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 18:13:45,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:45,641 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 18:13:45,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 18:13:45,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:45,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1389216560, now seen corresponding path program 1 times [2023-12-15 18:13:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141540776] [2023-12-15 18:13:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:45,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141540776] [2023-12-15 18:13:45,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141540776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:45,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:45,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:13:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392962565] [2023-12-15 18:13:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:45,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:45,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:45,902 INFO L87 Difference]: Start difference. First operand 317 states and 466 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-12-15 18:13:46,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:46,292 INFO L93 Difference]: Finished difference Result 918 states and 1356 transitions. [2023-12-15 18:13:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:46,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) Word has length 93 [2023-12-15 18:13:46,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:46,295 INFO L225 Difference]: With dead ends: 918 [2023-12-15 18:13:46,295 INFO L226 Difference]: Without dead ends: 602 [2023-12-15 18:13:46,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:46,296 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:46,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 120 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 18:13:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-12-15 18:13:46,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 600. [2023-12-15 18:13:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.2921535893155258) internal successors, (774), 599 states have internal predecessors, (774), 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) [2023-12-15 18:13:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 774 transitions. [2023-12-15 18:13:46,307 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 774 transitions. Word has length 93 [2023-12-15 18:13:46,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:46,307 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 774 transitions. [2023-12-15 18:13:46,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2023-12-15 18:13:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 774 transitions. [2023-12-15 18:13:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-15 18:13:46,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:46,310 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 18:13:46,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 18:13:46,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:46,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash 755775787, now seen corresponding path program 1 times [2023-12-15 18:13:46,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263665451] [2023-12-15 18:13:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:46,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:46,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263665451] [2023-12-15 18:13:46,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263665451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:46,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:46,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:46,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994706280] [2023-12-15 18:13:46,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:46,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:46,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:46,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:46,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:46,412 INFO L87 Difference]: Start difference. First operand 600 states and 774 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2023-12-15 18:13:46,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:46,808 INFO L93 Difference]: Finished difference Result 1485 states and 1973 transitions. [2023-12-15 18:13:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:46,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) Word has length 98 [2023-12-15 18:13:46,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:46,811 INFO L225 Difference]: With dead ends: 1485 [2023-12-15 18:13:46,811 INFO L226 Difference]: Without dead ends: 886 [2023-12-15 18:13:46,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:46,813 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 144 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:46,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 252 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 18:13:46,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2023-12-15 18:13:46,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 884. [2023-12-15 18:13:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 883 states have (on average 1.232163080407701) internal successors, (1088), 883 states have internal predecessors, (1088), 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) [2023-12-15 18:13:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1088 transitions. [2023-12-15 18:13:46,824 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1088 transitions. Word has length 98 [2023-12-15 18:13:46,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:46,825 INFO L495 AbstractCegarLoop]: Abstraction has 884 states and 1088 transitions. [2023-12-15 18:13:46,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2023-12-15 18:13:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1088 transitions. [2023-12-15 18:13:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-15 18:13:46,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:46,827 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 18:13:46,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 18:13:46,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:46,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash -105764447, now seen corresponding path program 1 times [2023-12-15 18:13:46,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:46,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021924833] [2023-12-15 18:13:46,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:46,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:46,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021924833] [2023-12-15 18:13:46,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021924833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:46,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:46,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 18:13:46,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858078730] [2023-12-15 18:13:46,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:46,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:46,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:46,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:46,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:46,874 INFO L87 Difference]: Start difference. First operand 884 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2023-12-15 18:13:47,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:47,180 INFO L93 Difference]: Finished difference Result 2468 states and 3052 transitions. [2023-12-15 18:13:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:47,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) Word has length 99 [2023-12-15 18:13:47,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:47,185 INFO L225 Difference]: With dead ends: 2468 [2023-12-15 18:13:47,185 INFO L226 Difference]: Without dead ends: 1585 [2023-12-15 18:13:47,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:47,189 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:47,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 77 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2023-12-15 18:13:47,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1585. [2023-12-15 18:13:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1584 states have (on average 1.1957070707070707) internal successors, (1894), 1584 states have internal predecessors, (1894), 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) [2023-12-15 18:13:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1894 transitions. [2023-12-15 18:13:47,213 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 1894 transitions. Word has length 99 [2023-12-15 18:13:47,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:47,214 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 1894 transitions. [2023-12-15 18:13:47,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2023-12-15 18:13:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1894 transitions. [2023-12-15 18:13:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-15 18:13:47,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:47,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:47,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 18:13:47,218 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:47,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1546302431, now seen corresponding path program 1 times [2023-12-15 18:13:47,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:47,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545475876] [2023-12-15 18:13:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:47,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:47,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545475876] [2023-12-15 18:13:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545475876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:47,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:47,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:47,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027288345] [2023-12-15 18:13:47,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:47,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:47,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:47,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:47,339 INFO L87 Difference]: Start difference. First operand 1585 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2023-12-15 18:13:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:47,648 INFO L93 Difference]: Finished difference Result 3730 states and 4455 transitions. [2023-12-15 18:13:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:47,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) Word has length 102 [2023-12-15 18:13:47,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:47,654 INFO L225 Difference]: With dead ends: 3730 [2023-12-15 18:13:47,654 INFO L226 Difference]: Without dead ends: 2146 [2023-12-15 18:13:47,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:47,657 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 143 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:47,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 267 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2023-12-15 18:13:47,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2145. [2023-12-15 18:13:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.15625) internal successors, (2479), 2144 states have internal predecessors, (2479), 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) [2023-12-15 18:13:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2479 transitions. [2023-12-15 18:13:47,697 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2479 transitions. Word has length 102 [2023-12-15 18:13:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:47,697 INFO L495 AbstractCegarLoop]: Abstraction has 2145 states and 2479 transitions. [2023-12-15 18:13:47,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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) [2023-12-15 18:13:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2479 transitions. [2023-12-15 18:13:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-15 18:13:47,700 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:47,700 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-12-15 18:13:47,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 18:13:47,700 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:47,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:47,701 INFO L85 PathProgramCache]: Analyzing trace with hash 820278162, now seen corresponding path program 1 times [2023-12-15 18:13:47,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:47,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248277266] [2023-12-15 18:13:47,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:47,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:47,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248277266] [2023-12-15 18:13:47,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248277266] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:47,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:47,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:47,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807363529] [2023-12-15 18:13:47,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:47,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:47,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:47,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:47,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:47,775 INFO L87 Difference]: Start difference. First operand 2145 states and 2479 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2023-12-15 18:13:48,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:48,068 INFO L93 Difference]: Finished difference Result 4290 states and 4959 transitions. [2023-12-15 18:13:48,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:48,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) Word has length 118 [2023-12-15 18:13:48,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:48,073 INFO L225 Difference]: With dead ends: 4290 [2023-12-15 18:13:48,073 INFO L226 Difference]: Without dead ends: 2146 [2023-12-15 18:13:48,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:48,078 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 161 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:48,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 50 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2023-12-15 18:13:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2145. [2023-12-15 18:13:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.1305970149253732) internal successors, (2424), 2144 states have internal predecessors, (2424), 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) [2023-12-15 18:13:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2424 transitions. [2023-12-15 18:13:48,104 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2424 transitions. Word has length 118 [2023-12-15 18:13:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:48,105 INFO L495 AbstractCegarLoop]: Abstraction has 2145 states and 2424 transitions. [2023-12-15 18:13:48,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2023-12-15 18:13:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2424 transitions. [2023-12-15 18:13:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-15 18:13:48,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:48,108 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2023-12-15 18:13:48,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 18:13:48,109 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:48,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1164734344, now seen corresponding path program 1 times [2023-12-15 18:13:48,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:48,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584513542] [2023-12-15 18:13:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:48,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 18:13:48,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:48,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584513542] [2023-12-15 18:13:48,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584513542] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:13:48,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126033364] [2023-12-15 18:13:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:48,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:48,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:13:48,332 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) [2023-12-15 18:13:48,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 18:13:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:48,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:13:48,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:13:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-15 18:13:48,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:13:48,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126033364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:48,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:13:48,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-15 18:13:48,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712331644] [2023-12-15 18:13:48,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:48,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:48,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:48,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:48,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:48,544 INFO L87 Difference]: Start difference. First operand 2145 states and 2424 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-12-15 18:13:48,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:48,868 INFO L93 Difference]: Finished difference Result 4289 states and 4847 transitions. [2023-12-15 18:13:48,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:48,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) Word has length 122 [2023-12-15 18:13:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:48,874 INFO L225 Difference]: With dead ends: 4289 [2023-12-15 18:13:48,874 INFO L226 Difference]: Without dead ends: 2145 [2023-12-15 18:13:48,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:48,877 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 76 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:48,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 245 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:48,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2023-12-15 18:13:48,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2023-12-15 18:13:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.091884328358209) internal successors, (2341), 2144 states have internal predecessors, (2341), 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) [2023-12-15 18:13:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2341 transitions. [2023-12-15 18:13:48,903 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2341 transitions. Word has length 122 [2023-12-15 18:13:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:48,903 INFO L495 AbstractCegarLoop]: Abstraction has 2145 states and 2341 transitions. [2023-12-15 18:13:48,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-12-15 18:13:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2341 transitions. [2023-12-15 18:13:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-15 18:13:48,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:48,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:48,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 18:13:49,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:49,110 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:49,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:49,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1792971341, now seen corresponding path program 1 times [2023-12-15 18:13:49,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:49,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121056725] [2023-12-15 18:13:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-15 18:13:49,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:49,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121056725] [2023-12-15 18:13:49,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121056725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:49,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:49,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:49,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737589457] [2023-12-15 18:13:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:49,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 18:13:49,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 18:13:49,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 18:13:49,245 INFO L87 Difference]: Start difference. First operand 2145 states and 2341 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 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) [2023-12-15 18:13:49,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:49,713 INFO L93 Difference]: Finished difference Result 5072 states and 5590 transitions. [2023-12-15 18:13:49,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 18:13:49,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 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) Word has length 123 [2023-12-15 18:13:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:49,720 INFO L225 Difference]: With dead ends: 5072 [2023-12-15 18:13:49,720 INFO L226 Difference]: Without dead ends: 2845 [2023-12-15 18:13:49,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 18:13:49,723 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 143 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:49,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 101 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 18:13:49,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2023-12-15 18:13:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2285. [2023-12-15 18:13:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2285 states, 2284 states have (on average 1.095446584938704) internal successors, (2502), 2284 states have internal predecessors, (2502), 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) [2023-12-15 18:13:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 2502 transitions. [2023-12-15 18:13:49,751 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 2502 transitions. Word has length 123 [2023-12-15 18:13:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:49,752 INFO L495 AbstractCegarLoop]: Abstraction has 2285 states and 2502 transitions. [2023-12-15 18:13:49,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 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) [2023-12-15 18:13:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2502 transitions. [2023-12-15 18:13:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-15 18:13:49,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:49,754 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2023-12-15 18:13:49,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 18:13:49,754 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:49,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash 418124088, now seen corresponding path program 1 times [2023-12-15 18:13:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:49,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187964100] [2023-12-15 18:13:49,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-15 18:13:49,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:49,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187964100] [2023-12-15 18:13:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187964100] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:13:49,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686490171] [2023-12-15 18:13:49,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:13:49,943 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) [2023-12-15 18:13:49,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 18:13:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:50,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:13:50,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:13:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-15 18:13:50,055 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:13:50,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686490171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:50,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:13:50,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-15 18:13:50,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973473143] [2023-12-15 18:13:50,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:50,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:50,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:50,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:50,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:50,056 INFO L87 Difference]: Start difference. First operand 2285 states and 2502 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2023-12-15 18:13:50,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:50,368 INFO L93 Difference]: Finished difference Result 5135 states and 5669 transitions. [2023-12-15 18:13:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:50,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) Word has length 138 [2023-12-15 18:13:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:50,376 INFO L225 Difference]: With dead ends: 5135 [2023-12-15 18:13:50,376 INFO L226 Difference]: Without dead ends: 2851 [2023-12-15 18:13:50,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:50,379 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 133 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:50,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 111 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:50,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2851 states. [2023-12-15 18:13:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2851 to 2568. [2023-12-15 18:13:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 2567 states have (on average 1.0888196338137903) internal successors, (2795), 2567 states have internal predecessors, (2795), 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) [2023-12-15 18:13:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 2795 transitions. [2023-12-15 18:13:50,411 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 2795 transitions. Word has length 138 [2023-12-15 18:13:50,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:50,411 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 2795 transitions. [2023-12-15 18:13:50,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2023-12-15 18:13:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2795 transitions. [2023-12-15 18:13:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-15 18:13:50,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:50,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:50,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-15 18:13:50,620 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,SelfDestructingSolverStorable9 [2023-12-15 18:13:50,620 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:50,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash 528495231, now seen corresponding path program 1 times [2023-12-15 18:13:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:50,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971158943] [2023-12-15 18:13:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-15 18:13:50,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:50,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971158943] [2023-12-15 18:13:50,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971158943] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:13:50,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601344546] [2023-12-15 18:13:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:50,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:13:50,833 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) [2023-12-15 18:13:50,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 18:13:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:50,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:13:50,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:13:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-15 18:13:50,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:13:50,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601344546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:50,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:13:50,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-15 18:13:50,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740159516] [2023-12-15 18:13:50,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:50,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:50,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:50,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:50,998 INFO L87 Difference]: Start difference. First operand 2568 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-12-15 18:13:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:51,311 INFO L93 Difference]: Finished difference Result 5695 states and 6246 transitions. [2023-12-15 18:13:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:51,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) Word has length 149 [2023-12-15 18:13:51,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:51,318 INFO L225 Difference]: With dead ends: 5695 [2023-12-15 18:13:51,318 INFO L226 Difference]: Without dead ends: 2567 [2023-12-15 18:13:51,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:51,321 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:51,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 245 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:51,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2023-12-15 18:13:51,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567. [2023-12-15 18:13:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2566 states have (on average 1.0717069368667187) internal successors, (2750), 2566 states have internal predecessors, (2750), 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) [2023-12-15 18:13:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 2750 transitions. [2023-12-15 18:13:51,351 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 2750 transitions. Word has length 149 [2023-12-15 18:13:51,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:51,352 INFO L495 AbstractCegarLoop]: Abstraction has 2567 states and 2750 transitions. [2023-12-15 18:13:51,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-12-15 18:13:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2750 transitions. [2023-12-15 18:13:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-15 18:13:51,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:51,355 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 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] [2023-12-15 18:13:51,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 18:13:51,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:51,562 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:51,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:51,562 INFO L85 PathProgramCache]: Analyzing trace with hash -2026529998, now seen corresponding path program 1 times [2023-12-15 18:13:51,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:51,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384899457] [2023-12-15 18:13:51,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:51,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 77 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-15 18:13:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:51,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384899457] [2023-12-15 18:13:51,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384899457] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 18:13:51,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686686650] [2023-12-15 18:13:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:51,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 18:13:51,728 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) [2023-12-15 18:13:51,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 18:13:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:51,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 18:13:51,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 18:13:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-15 18:13:51,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 18:13:51,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686686650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:51,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 18:13:51,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-15 18:13:51,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388790884] [2023-12-15 18:13:51,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:51,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:51,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:51,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:51,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:51,857 INFO L87 Difference]: Start difference. First operand 2567 states and 2750 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-12-15 18:13:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:52,193 INFO L93 Difference]: Finished difference Result 6270 states and 6741 transitions. [2023-12-15 18:13:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) Word has length 155 [2023-12-15 18:13:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:52,201 INFO L225 Difference]: With dead ends: 6270 [2023-12-15 18:13:52,202 INFO L226 Difference]: Without dead ends: 3704 [2023-12-15 18:13:52,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 18:13:52,205 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 155 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:52,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 126 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:52,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3704 states. [2023-12-15 18:13:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3704 to 3413. [2023-12-15 18:13:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 3412 states have (on average 1.073856975381008) internal successors, (3664), 3412 states have internal predecessors, (3664), 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) [2023-12-15 18:13:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3664 transitions. [2023-12-15 18:13:52,251 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3664 transitions. Word has length 155 [2023-12-15 18:13:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:52,251 INFO L495 AbstractCegarLoop]: Abstraction has 3413 states and 3664 transitions. [2023-12-15 18:13:52,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2023-12-15 18:13:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3664 transitions. [2023-12-15 18:13:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-15 18:13:52,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:52,255 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:52,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 18:13:52,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 18:13:52,462 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:52,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:52,463 INFO L85 PathProgramCache]: Analyzing trace with hash -10971734, now seen corresponding path program 1 times [2023-12-15 18:13:52,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:52,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589169867] [2023-12-15 18:13:52,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:52,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-15 18:13:52,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:52,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589169867] [2023-12-15 18:13:52,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589169867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:52,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:52,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:52,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060365455] [2023-12-15 18:13:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:52,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:52,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:52,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:52,519 INFO L87 Difference]: Start difference. First operand 3413 states and 3664 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-12-15 18:13:52,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:52,813 INFO L93 Difference]: Finished difference Result 6826 states and 7329 transitions. [2023-12-15 18:13:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:52,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) Word has length 159 [2023-12-15 18:13:52,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:52,821 INFO L225 Difference]: With dead ends: 6826 [2023-12-15 18:13:52,821 INFO L226 Difference]: Without dead ends: 3134 [2023-12-15 18:13:52,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:52,825 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 134 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:52,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 240 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 18:13:52,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2023-12-15 18:13:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 2704. [2023-12-15 18:13:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2703 states have (on average 1.0640029596744358) internal successors, (2876), 2703 states have internal predecessors, (2876), 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) [2023-12-15 18:13:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 2876 transitions. [2023-12-15 18:13:52,857 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 2876 transitions. Word has length 159 [2023-12-15 18:13:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:52,857 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 2876 transitions. [2023-12-15 18:13:52,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-12-15 18:13:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 2876 transitions. [2023-12-15 18:13:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-15 18:13:52,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:52,861 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-15 18:13:52,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 18:13:52,861 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:52,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1454790496, now seen corresponding path program 1 times [2023-12-15 18:13:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:52,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039039361] [2023-12-15 18:13:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-15 18:13:52,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:52,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039039361] [2023-12-15 18:13:52,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039039361] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:52,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:52,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:52,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504549025] [2023-12-15 18:13:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:52,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:52,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:52,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:52,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:52,936 INFO L87 Difference]: Start difference. First operand 2704 states and 2876 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-12-15 18:13:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:53,193 INFO L93 Difference]: Finished difference Result 5822 states and 6202 transitions. [2023-12-15 18:13:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:53,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) Word has length 193 [2023-12-15 18:13:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:53,200 INFO L225 Difference]: With dead ends: 5822 [2023-12-15 18:13:53,200 INFO L226 Difference]: Without dead ends: 3119 [2023-12-15 18:13:53,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:53,202 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 130 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:53,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 195 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 18:13:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2023-12-15 18:13:53,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3117. [2023-12-15 18:13:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 3116 states have (on average 1.0539152759948651) internal successors, (3284), 3116 states have internal predecessors, (3284), 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) [2023-12-15 18:13:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3284 transitions. [2023-12-15 18:13:53,246 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3284 transitions. Word has length 193 [2023-12-15 18:13:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:53,247 INFO L495 AbstractCegarLoop]: Abstraction has 3117 states and 3284 transitions. [2023-12-15 18:13:53,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-12-15 18:13:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3284 transitions. [2023-12-15 18:13:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-15 18:13:53,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 18:13:53,251 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:53,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 18:13:53,251 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 18:13:53,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 18:13:53,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1666441408, now seen corresponding path program 1 times [2023-12-15 18:13:53,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 18:13:53,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958654154] [2023-12-15 18:13:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 18:13:53,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 18:13:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 18:13:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-15 18:13:53,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 18:13:53,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958654154] [2023-12-15 18:13:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958654154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 18:13:53,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 18:13:53,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 18:13:53,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943702944] [2023-12-15 18:13:53,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 18:13:53,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 18:13:53,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 18:13:53,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 18:13:53,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:53,355 INFO L87 Difference]: Start difference. First operand 3117 states and 3284 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-15 18:13:53,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 18:13:53,612 INFO L93 Difference]: Finished difference Result 6226 states and 6543 transitions. [2023-12-15 18:13:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 18:13:53,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) Word has length 203 [2023-12-15 18:13:53,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 18:13:53,613 INFO L225 Difference]: With dead ends: 6226 [2023-12-15 18:13:53,613 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 18:13:53,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 18:13:53,616 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 129 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 18:13:53,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 217 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 18:13:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 18:13:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 18:13:53,617 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) [2023-12-15 18:13:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 18:13:53,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2023-12-15 18:13:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 18:13:53,617 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 18:13:53,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-15 18:13:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 18:13:53,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 18:13:53,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 18:13:53,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 18:13:53,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-15 18:13:54,000 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,001 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,002 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-15 18:13:54,003 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-15 18:13:54,004 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-15 18:13:54,005 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-15 18:13:54,006 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse10 (= ~a28~0 10)) (.cse5 (= ~a11~0 0)) (.cse9 (<= ~a25~0 0)) (.cse0 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a19~0 1)) (.cse6 (<= ~a28~0 7)) (.cse1 (<= 9 ~a28~0)) (.cse2 (= ~a25~0 1)) (.cse8 (<= ~a28~0 10)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (and .cse6 .cse7) (and .cse1 .cse5 .cse8 .cse4 .cse9) (and .cse8 .cse9 .cse7) (and .cse10 (not .cse2) .cse4) (and .cse2 (= ~a11~0 1) .cse4 .cse6) (and .cse5 .cse9 .cse7) (and .cse2 .cse10 .cse5 .cse7) (and .cse5 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse2 (<= ~a17~0 7) .cse8 .cse7))) [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-15 18:13:54,007 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,008 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-15 18:13:54,009 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-15 18:13:54,011 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 18:13:54,020 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 18:13:54,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 06:13:54 BoogieIcfgContainer [2023-12-15 18:13:54,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 18:13:54,039 INFO L158 Benchmark]: Toolchain (without parser) took 10810.12ms. Allocated memory was 332.4MB in the beginning and 531.6MB in the end (delta: 199.2MB). Free memory was 288.9MB in the beginning and 325.3MB in the end (delta: -36.4MB). Peak memory consumption was 163.4MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,039 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 18:13:54,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.53ms. Allocated memory is still 332.4MB. Free memory was 288.4MB in the beginning and 261.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.94ms. Allocated memory is still 332.4MB. Free memory was 261.6MB in the beginning and 255.9MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,040 INFO L158 Benchmark]: Boogie Preprocessor took 73.40ms. Allocated memory is still 332.4MB. Free memory was 255.9MB in the beginning and 250.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,040 INFO L158 Benchmark]: RCFGBuilder took 839.77ms. Allocated memory is still 332.4MB. Free memory was 250.6MB in the beginning and 170.4MB in the end (delta: 80.2MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,040 INFO L158 Benchmark]: TraceAbstraction took 9454.63ms. Allocated memory was 332.4MB in the beginning and 531.6MB in the end (delta: 199.2MB). Free memory was 169.9MB in the beginning and 325.3MB in the end (delta: -155.4MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. [2023-12-15 18:13:54,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 209.7MB. Free memory is still 155.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 364.53ms. Allocated memory is still 332.4MB. Free memory was 288.4MB in the beginning and 261.6MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.94ms. Allocated memory is still 332.4MB. Free memory was 261.6MB in the beginning and 255.9MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.40ms. Allocated memory is still 332.4MB. Free memory was 255.9MB in the beginning and 250.6MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 839.77ms. Allocated memory is still 332.4MB. Free memory was 250.6MB in the beginning and 170.4MB in the end (delta: 80.2MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9454.63ms. Allocated memory was 332.4MB in the beginning and 531.6MB in the end (delta: 199.2MB). Free memory was 169.9MB in the beginning and 325.3MB in the end (delta: -155.4MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 452]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 15, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1864 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1864 mSDsluCounter, 2566 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 245 mSDsCounter, 825 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5267 IncrementalHoareTripleChecker+Invalid, 6092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 825 mSolverCounterUnsat, 2321 mSDtfsCounter, 5267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 605 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3413occurred in iteration=12, InterpolantAutomatonStates: 45, 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, 15 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 30 NumberOfFragments, 171 HoareAnnotationTreeSize, 1 FormulaSimplifications, 228 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 509 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2494 NumberOfCodeBlocks, 2494 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2475 ConstructedInterpolants, 0 QuantifiedInterpolants, 6944 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 1191/1223 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: (((((((((((((((((a17 == 8) && (9 <= a28)) && (a25 == 1)) && (a21 == 1)) && (a19 == 1)) || (((a25 == 1) && (a11 == 0)) && (a19 == 1))) || ((a28 <= 7) && (a19 <= 0))) || (((((9 <= a28) && (a11 == 0)) && (a28 <= 10)) && (a19 == 1)) && (a25 <= 0))) || (((a28 <= 10) && (a25 <= 0)) && (a19 <= 0))) || (((a28 == 10) && !((a25 == 1))) && (a19 == 1))) || ((((a25 == 1) && (a11 == 1)) && (a19 == 1)) && (a28 <= 7))) || (((a11 == 0) && (a25 <= 0)) && (a19 <= 0))) || ((((a25 == 1) && (a28 == 10)) && (a11 == 0)) && (a19 <= 0))) || ((((a11 == 0) && (a19 == 1)) && (a28 <= 7)) && (a25 <= 0))) || ((((((a17 == 8) && (9 <= a28)) && (a21 == 1)) && (a28 <= 10)) && (a19 == 1)) && (a25 <= 0))) || (((((a17 == 8) && (a25 == 1)) && (a21 == 1)) && (a19 == 1)) && (a28 <= 7))) || (((((9 <= a28) && (a25 == 1)) && (a17 <= 7)) && (a28 <= 10)) && (a19 <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-15 18:13:54,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...