/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 01:49:52,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 01:49:52,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 01:49:52,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 01:49:52,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 01:49:52,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 01:49:52,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 01:49:52,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 01:49:52,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 01:49:52,397 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 01:49:52,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 01:49:52,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 01:49:52,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 01:49:52,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 01:49:52,398 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 01:49:52,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 01:49:52,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 01:49:52,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 01:49:52,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 01:49:52,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 01:49:52,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 01:49:52,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 01:49:52,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 01:49:52,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 01:49:52,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 01:49:52,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 01:49:52,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 01:49:52,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 01:49:52,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 01:49:52,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 01:49:52,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 01:49:52,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 01:49:52,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:49:52,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 01:49:52,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 01:49:52,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 01:49:52,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 01:49:52,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 01:49:52,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 01:49:52,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 01:49:52,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 01:49:52,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 01:49:52,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 01:49:52,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 01:49:52,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 01:49:52,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 01:49:52,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 01:49:52,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 01:49:52,587 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 01:49:52,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label12.c [2023-12-16 01:49:53,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 01:49:53,834 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 01:49:53,835 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label12.c [2023-12-16 01:49:53,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/090b9f6c4/4f7a2b7e6f8a40caad863d119b3578a8/FLAG656800525 [2023-12-16 01:49:53,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/090b9f6c4/4f7a2b7e6f8a40caad863d119b3578a8 [2023-12-16 01:49:53,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 01:49:53,867 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 01:49:53,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 01:49:53,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 01:49:53,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 01:49:53,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:49:53" (1/1) ... [2023-12-16 01:49:53,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352e94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:53, skipping insertion in model container [2023-12-16 01:49:53,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:49:53" (1/1) ... [2023-12-16 01:49:53,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 01:49:54,085 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/Problem11_label12.c[3684,3697] [2023-12-16 01:49:54,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:49:54,314 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 01:49:54,326 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/Problem11_label12.c[3684,3697] [2023-12-16 01:49:54,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 01:49:54,456 INFO L206 MainTranslator]: Completed translation [2023-12-16 01:49:54,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54 WrapperNode [2023-12-16 01:49:54,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 01:49:54,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 01:49:54,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 01:49:54,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 01:49:54,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,546 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-16 01:49:54,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 01:49:54,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 01:49:54,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 01:49:54,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 01:49:54,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,609 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]. [2023-12-16 01:49:54,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 01:49:54,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 01:49:54,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 01:49:54,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 01:49:54,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (1/1) ... [2023-12-16 01:49:54,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 01:49:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:49:54,713 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) [2023-12-16 01:49:54,736 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 [2023-12-16 01:49:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 01:49:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 01:49:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 01:49:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 01:49:54,789 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 01:49:54,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 01:49:55,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 01:49:55,915 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 01:49:55,916 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 01:49:55,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:49:55 BoogieIcfgContainer [2023-12-16 01:49:55,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 01:49:55,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 01:49:55,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 01:49:55,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 01:49:55,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:49:53" (1/3) ... [2023-12-16 01:49:55,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c11eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:49:55, skipping insertion in model container [2023-12-16 01:49:55,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:49:54" (2/3) ... [2023-12-16 01:49:55,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c11eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:49:55, skipping insertion in model container [2023-12-16 01:49:55,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:49:55" (3/3) ... [2023-12-16 01:49:55,922 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label12.c [2023-12-16 01:49:55,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 01:49:55,935 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 01:49:55,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 01:49:55,991 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;@110c706c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 01:49:55,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 01:49:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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) [2023-12-16 01:49:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 01:49:56,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:56,003 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] [2023-12-16 01:49:56,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:56,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash -278545201, now seen corresponding path program 1 times [2023-12-16 01:49:56,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:56,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155114770] [2023-12-16 01:49:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:56,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:56,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155114770] [2023-12-16 01:49:56,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155114770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:56,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:56,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:56,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270393494] [2023-12-16 01:49:56,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:56,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 01:49:56,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:56,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 01:49:56,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 01:49:56,175 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-12-16 01:49:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:56,227 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-16 01:49:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 01:49:56,232 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2023-12-16 01:49:56,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:56,242 INFO L225 Difference]: With dead ends: 441 [2023-12-16 01:49:56,242 INFO L226 Difference]: Without dead ends: 219 [2023-12-16 01:49:56,246 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 [2023-12-16 01:49:56,251 INFO L413 NwaCegarLoop]: 355 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, 355 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 [2023-12-16 01:49:56,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 01:49:56,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-16 01:49:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-16 01:49:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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) [2023-12-16 01:49:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-16 01:49:56,299 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 24 [2023-12-16 01:49:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:56,299 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-16 01:49:56,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-12-16 01:49:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-16 01:49:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 01:49:56,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:56,300 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] [2023-12-16 01:49:56,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 01:49:56,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:56,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:56,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1393381098, now seen corresponding path program 1 times [2023-12-16 01:49:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:56,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83394487] [2023-12-16 01:49:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:56,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:56,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:56,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83394487] [2023-12-16 01:49:56,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83394487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:56,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:56,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:56,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828138826] [2023-12-16 01:49:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:56,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:56,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:56,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:56,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:56,459 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-12-16 01:49:57,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:57,132 INFO L93 Difference]: Finished difference Result 639 states and 1042 transitions. [2023-12-16 01:49:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:57,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2023-12-16 01:49:57,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:57,135 INFO L225 Difference]: With dead ends: 639 [2023-12-16 01:49:57,135 INFO L226 Difference]: Without dead ends: 421 [2023-12-16 01:49:57,136 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 [2023-12-16 01:49:57,136 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 187 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:57,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 120 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-12-16 01:49:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411. [2023-12-16 01:49:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.524390243902439) internal successors, (625), 410 states have internal predecessors, (625), 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) [2023-12-16 01:49:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 625 transitions. [2023-12-16 01:49:57,151 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 625 transitions. Word has length 24 [2023-12-16 01:49:57,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:57,152 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 625 transitions. [2023-12-16 01:49:57,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-12-16 01:49:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 625 transitions. [2023-12-16 01:49:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-16 01:49:57,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:57,154 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:57,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 01:49:57,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:57,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:57,154 INFO L85 PathProgramCache]: Analyzing trace with hash -544629032, now seen corresponding path program 1 times [2023-12-16 01:49:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:57,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096191759] [2023-12-16 01:49:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:57,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096191759] [2023-12-16 01:49:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096191759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:57,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:57,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:57,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146902749] [2023-12-16 01:49:57,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:57,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:57,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:57,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:57,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:57,270 INFO L87 Difference]: Start difference. First operand 411 states and 625 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-16 01:49:57,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:57,901 INFO L93 Difference]: Finished difference Result 1193 states and 1820 transitions. [2023-12-16 01:49:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:57,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 90 [2023-12-16 01:49:57,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:57,904 INFO L225 Difference]: With dead ends: 1193 [2023-12-16 01:49:57,904 INFO L226 Difference]: Without dead ends: 783 [2023-12-16 01:49:57,904 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 [2023-12-16 01:49:57,905 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:57,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 152 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:49:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-12-16 01:49:57,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2023-12-16 01:49:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.3746803069053708) internal successors, (1075), 782 states have internal predecessors, (1075), 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) [2023-12-16 01:49:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1075 transitions. [2023-12-16 01:49:57,921 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1075 transitions. Word has length 90 [2023-12-16 01:49:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:57,921 INFO L495 AbstractCegarLoop]: Abstraction has 783 states and 1075 transitions. [2023-12-16 01:49:57,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-16 01:49:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1075 transitions. [2023-12-16 01:49:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-16 01:49:57,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:57,923 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:57,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 01:49:57,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:57,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:57,924 INFO L85 PathProgramCache]: Analyzing trace with hash -533070238, now seen corresponding path program 1 times [2023-12-16 01:49:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:57,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996576524] [2023-12-16 01:49:57,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:57,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:58,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:58,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996576524] [2023-12-16 01:49:58,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996576524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:58,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:58,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:58,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457583006] [2023-12-16 01:49:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:58,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:58,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:58,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:58,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:58,143 INFO L87 Difference]: Start difference. First operand 783 states and 1075 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2023-12-16 01:49:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:58,693 INFO L93 Difference]: Finished difference Result 1935 states and 2598 transitions. [2023-12-16 01:49:58,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:58,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 94 [2023-12-16 01:49:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:58,697 INFO L225 Difference]: With dead ends: 1935 [2023-12-16 01:49:58,697 INFO L226 Difference]: Without dead ends: 1153 [2023-12-16 01:49:58,699 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 [2023-12-16 01:49:58,699 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:58,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:49:58,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-12-16 01:49:58,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1152. [2023-12-16 01:49:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.2701998262380538) internal successors, (1462), 1151 states have internal predecessors, (1462), 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) [2023-12-16 01:49:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1462 transitions. [2023-12-16 01:49:58,740 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1462 transitions. Word has length 94 [2023-12-16 01:49:58,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:58,740 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1462 transitions. [2023-12-16 01:49:58,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2023-12-16 01:49:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1462 transitions. [2023-12-16 01:49:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-16 01:49:58,747 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:58,747 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:58,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 01:49:58,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:58,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1146406823, now seen corresponding path program 1 times [2023-12-16 01:49:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383828883] [2023-12-16 01:49:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 01:49:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383828883] [2023-12-16 01:49:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383828883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:58,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 01:49:58,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481709818] [2023-12-16 01:49:58,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:58,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:58,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:58,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:58,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:58,899 INFO L87 Difference]: Start difference. First operand 1152 states and 1462 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 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) [2023-12-16 01:49:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:49:59,423 INFO L93 Difference]: Finished difference Result 2493 states and 3188 transitions. [2023-12-16 01:49:59,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:49:59,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 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 136 [2023-12-16 01:49:59,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:49:59,428 INFO L225 Difference]: With dead ends: 2493 [2023-12-16 01:49:59,429 INFO L226 Difference]: Without dead ends: 1526 [2023-12-16 01:49:59,430 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 [2023-12-16 01:49:59,430 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 106 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:49:59,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 152 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:49:59,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2023-12-16 01:49:59,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1525. [2023-12-16 01:49:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1524 states have (on average 1.2559055118110236) internal successors, (1914), 1524 states have internal predecessors, (1914), 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) [2023-12-16 01:49:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1914 transitions. [2023-12-16 01:49:59,452 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1914 transitions. Word has length 136 [2023-12-16 01:49:59,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:49:59,452 INFO L495 AbstractCegarLoop]: Abstraction has 1525 states and 1914 transitions. [2023-12-16 01:49:59,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 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) [2023-12-16 01:49:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1914 transitions. [2023-12-16 01:49:59,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-16 01:49:59,454 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:49:59,454 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:49:59,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 01:49:59,454 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:49:59,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:49:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1910011112, now seen corresponding path program 1 times [2023-12-16 01:49:59,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:49:59,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723798663] [2023-12-16 01:49:59,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:49:59,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:49:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:49:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:49:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:49:59,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723798663] [2023-12-16 01:49:59,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723798663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:49:59,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:49:59,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:49:59,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643086098] [2023-12-16 01:49:59,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:49:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:49:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:49:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:49:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:49:59,616 INFO L87 Difference]: Start difference. First operand 1525 states and 1914 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2023-12-16 01:50:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:00,144 INFO L93 Difference]: Finished difference Result 2863 states and 3635 transitions. [2023-12-16 01:50:00,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:00,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2023-12-16 01:50:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:00,149 INFO L225 Difference]: With dead ends: 2863 [2023-12-16 01:50:00,149 INFO L226 Difference]: Without dead ends: 1523 [2023-12-16 01:50:00,150 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 [2023-12-16 01:50:00,151 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 210 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:00,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 303 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:50:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2023-12-16 01:50:00,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1523. [2023-12-16 01:50:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.2109067017082786) internal successors, (1843), 1522 states have internal predecessors, (1843), 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) [2023-12-16 01:50:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1843 transitions. [2023-12-16 01:50:00,175 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1843 transitions. Word has length 151 [2023-12-16 01:50:00,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:00,176 INFO L495 AbstractCegarLoop]: Abstraction has 1523 states and 1843 transitions. [2023-12-16 01:50:00,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2023-12-16 01:50:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1843 transitions. [2023-12-16 01:50:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-16 01:50:00,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:00,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:00,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 01:50:00,179 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:00,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:00,179 INFO L85 PathProgramCache]: Analyzing trace with hash -991350939, now seen corresponding path program 1 times [2023-12-16 01:50:00,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:00,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768156339] [2023-12-16 01:50:00,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-16 01:50:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:00,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768156339] [2023-12-16 01:50:00,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768156339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:00,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:00,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:00,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363197405] [2023-12-16 01:50:00,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:00,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:00,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:00,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:00,336 INFO L87 Difference]: Start difference. First operand 1523 states and 1843 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-16 01:50:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:00,982 INFO L93 Difference]: Finished difference Result 3602 states and 4426 transitions. [2023-12-16 01:50:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:00,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 206 [2023-12-16 01:50:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:00,990 INFO L225 Difference]: With dead ends: 3602 [2023-12-16 01:50:00,990 INFO L226 Difference]: Without dead ends: 2264 [2023-12-16 01:50:00,992 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 [2023-12-16 01:50:00,993 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 172 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:00,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 383 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:50:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2023-12-16 01:50:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2075. [2023-12-16 01:50:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 2074 states have (on average 1.1923818707810994) internal successors, (2473), 2074 states have internal predecessors, (2473), 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) [2023-12-16 01:50:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2473 transitions. [2023-12-16 01:50:01,026 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2473 transitions. Word has length 206 [2023-12-16 01:50:01,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:01,027 INFO L495 AbstractCegarLoop]: Abstraction has 2075 states and 2473 transitions. [2023-12-16 01:50:01,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-16 01:50:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2473 transitions. [2023-12-16 01:50:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-16 01:50:01,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:01,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:01,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 01:50:01,029 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:01,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:01,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1073536628, now seen corresponding path program 1 times [2023-12-16 01:50:01,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:01,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955618433] [2023-12-16 01:50:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-16 01:50:01,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:01,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955618433] [2023-12-16 01:50:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955618433] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:01,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:01,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:01,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828428444] [2023-12-16 01:50:01,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:01,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:01,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:01,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:01,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:01,176 INFO L87 Difference]: Start difference. First operand 2075 states and 2473 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-16 01:50:01,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:01,830 INFO L93 Difference]: Finished difference Result 4889 states and 5876 transitions. [2023-12-16 01:50:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:01,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 212 [2023-12-16 01:50:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:01,838 INFO L225 Difference]: With dead ends: 4889 [2023-12-16 01:50:01,838 INFO L226 Difference]: Without dead ends: 2815 [2023-12-16 01:50:01,840 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 [2023-12-16 01:50:01,840 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 171 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:01,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 384 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:50:01,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2023-12-16 01:50:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2810. [2023-12-16 01:50:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 2809 states have (on average 1.1737273050907797) internal successors, (3297), 2809 states have internal predecessors, (3297), 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) [2023-12-16 01:50:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 3297 transitions. [2023-12-16 01:50:01,869 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 3297 transitions. Word has length 212 [2023-12-16 01:50:01,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:01,869 INFO L495 AbstractCegarLoop]: Abstraction has 2810 states and 3297 transitions. [2023-12-16 01:50:01,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-12-16 01:50:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3297 transitions. [2023-12-16 01:50:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-12-16 01:50:01,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:01,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 01:50:01,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 01:50:01,872 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:01,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash 601380102, now seen corresponding path program 1 times [2023-12-16 01:50:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:01,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862987478] [2023-12-16 01:50:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:50:02,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:02,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862987478] [2023-12-16 01:50:02,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862987478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:02,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:02,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:02,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344194248] [2023-12-16 01:50:02,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:02,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:02,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:02,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:02,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:02,065 INFO L87 Difference]: Start difference. First operand 2810 states and 3297 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 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) [2023-12-16 01:50:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:03,064 INFO L93 Difference]: Finished difference Result 8955 states and 10587 transitions. [2023-12-16 01:50:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:03,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 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 251 [2023-12-16 01:50:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:03,080 INFO L225 Difference]: With dead ends: 8955 [2023-12-16 01:50:03,081 INFO L226 Difference]: Without dead ends: 6146 [2023-12-16 01:50:03,087 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 [2023-12-16 01:50:03,089 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 256 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:03,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 83 Invalid, 1262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 01:50:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6146 states. [2023-12-16 01:50:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6146 to 5960. [2023-12-16 01:50:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5960 states, 5959 states have (on average 1.1758684343010573) internal successors, (7007), 5959 states have internal predecessors, (7007), 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) [2023-12-16 01:50:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5960 states to 5960 states and 7007 transitions. [2023-12-16 01:50:03,163 INFO L78 Accepts]: Start accepts. Automaton has 5960 states and 7007 transitions. Word has length 251 [2023-12-16 01:50:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:03,163 INFO L495 AbstractCegarLoop]: Abstraction has 5960 states and 7007 transitions. [2023-12-16 01:50:03,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 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) [2023-12-16 01:50:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5960 states and 7007 transitions. [2023-12-16 01:50:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 01:50:03,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:03,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:03,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 01:50:03,168 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:03,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:03,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2024043209, now seen corresponding path program 1 times [2023-12-16 01:50:03,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:03,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932174356] [2023-12-16 01:50:03,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-12-16 01:50:03,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932174356] [2023-12-16 01:50:03,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932174356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:03,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:03,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:03,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335402796] [2023-12-16 01:50:03,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:03,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:03,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:03,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:03,348 INFO L87 Difference]: Start difference. First operand 5960 states and 7007 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2023-12-16 01:50:03,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:03,906 INFO L93 Difference]: Finished difference Result 12098 states and 14258 transitions. [2023-12-16 01:50:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:03,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 289 [2023-12-16 01:50:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:03,926 INFO L225 Difference]: With dead ends: 12098 [2023-12-16 01:50:03,927 INFO L226 Difference]: Without dead ends: 7247 [2023-12-16 01:50:03,933 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 [2023-12-16 01:50:03,934 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 196 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:03,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 144 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 01:50:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7247 states. [2023-12-16 01:50:03,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7247 to 4663. [2023-12-16 01:50:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4663 states, 4662 states have (on average 1.17996567996568) internal successors, (5501), 4662 states have internal predecessors, (5501), 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) [2023-12-16 01:50:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4663 states and 5501 transitions. [2023-12-16 01:50:04,007 INFO L78 Accepts]: Start accepts. Automaton has 4663 states and 5501 transitions. Word has length 289 [2023-12-16 01:50:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:04,008 INFO L495 AbstractCegarLoop]: Abstraction has 4663 states and 5501 transitions. [2023-12-16 01:50:04,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2023-12-16 01:50:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4663 states and 5501 transitions. [2023-12-16 01:50:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-12-16 01:50:04,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:04,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-16 01:50:04,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 01:50:04,014 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:04,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:04,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2022272455, now seen corresponding path program 1 times [2023-12-16 01:50:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:04,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675385987] [2023-12-16 01:50:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:04,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 113 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:50:04,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:04,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675385987] [2023-12-16 01:50:04,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675385987] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 01:50:04,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427756482] [2023-12-16 01:50:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:04,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 01:50:04,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 01:50:04,466 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) [2023-12-16 01:50:04,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 01:50:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:04,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 01:50:04,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 01:50:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 113 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:50:05,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 01:50:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 113 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:50:07,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427756482] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 01:50:07,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 01:50:07,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-12-16 01:50:07,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547765005] [2023-12-16 01:50:07,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 01:50:07,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 01:50:07,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:07,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 01:50:07,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-12-16 01:50:07,139 INFO L87 Difference]: Start difference. First operand 4663 states and 5501 transitions. Second operand has 8 states, 8 states have (on average 68.625) internal successors, (549), 7 states have internal predecessors, (549), 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) [2023-12-16 01:50:09,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:09,418 INFO L93 Difference]: Finished difference Result 12126 states and 14279 transitions. [2023-12-16 01:50:09,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 01:50:09,418 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 68.625) internal successors, (549), 7 states have internal predecessors, (549), 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 298 [2023-12-16 01:50:09,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:09,435 INFO L225 Difference]: With dead ends: 12126 [2023-12-16 01:50:09,435 INFO L226 Difference]: Without dead ends: 7832 [2023-12-16 01:50:09,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2023-12-16 01:50:09,439 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 904 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 2969 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 3390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 2969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:09,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 159 Invalid, 3390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 2969 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 01:50:09,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7832 states. [2023-12-16 01:50:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7832 to 4476. [2023-12-16 01:50:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 4475 states have (on average 1.1736312849162012) internal successors, (5252), 4475 states have internal predecessors, (5252), 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) [2023-12-16 01:50:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 5252 transitions. [2023-12-16 01:50:09,498 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 5252 transitions. Word has length 298 [2023-12-16 01:50:09,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:09,498 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 5252 transitions. [2023-12-16 01:50:09,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 68.625) internal successors, (549), 7 states have internal predecessors, (549), 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) [2023-12-16 01:50:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 5252 transitions. [2023-12-16 01:50:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-16 01:50:09,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:09,503 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:09,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 01:50:09,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-16 01:50:09,708 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:09,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1518852129, now seen corresponding path program 1 times [2023-12-16 01:50:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521424549] [2023-12-16 01:50:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-16 01:50:09,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:09,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521424549] [2023-12-16 01:50:09,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521424549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:09,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:09,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:09,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013102441] [2023-12-16 01:50:09,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:09,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:09,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:09,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:09,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:09,913 INFO L87 Difference]: Start difference. First operand 4476 states and 5252 transitions. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2023-12-16 01:50:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:10,527 INFO L93 Difference]: Finished difference Result 11543 states and 13683 transitions. [2023-12-16 01:50:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:10,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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 318 [2023-12-16 01:50:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:10,539 INFO L225 Difference]: With dead ends: 11543 [2023-12-16 01:50:10,539 INFO L226 Difference]: Without dead ends: 7436 [2023-12-16 01:50:10,563 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 [2023-12-16 01:50:10,564 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 134 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:10,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 145 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:50:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2023-12-16 01:50:10,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7433. [2023-12-16 01:50:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7433 states, 7432 states have (on average 1.1590419806243273) internal successors, (8614), 7432 states have internal predecessors, (8614), 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) [2023-12-16 01:50:10,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7433 states to 7433 states and 8614 transitions. [2023-12-16 01:50:10,633 INFO L78 Accepts]: Start accepts. Automaton has 7433 states and 8614 transitions. Word has length 318 [2023-12-16 01:50:10,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:10,633 INFO L495 AbstractCegarLoop]: Abstraction has 7433 states and 8614 transitions. [2023-12-16 01:50:10,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2023-12-16 01:50:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7433 states and 8614 transitions. [2023-12-16 01:50:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-12-16 01:50:10,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:10,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:10,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 01:50:10,641 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:10,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash 67316212, now seen corresponding path program 1 times [2023-12-16 01:50:10,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:10,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821197560] [2023-12-16 01:50:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:10,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 01:50:10,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:10,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821197560] [2023-12-16 01:50:10,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821197560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:10,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:10,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:50:10,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109019866] [2023-12-16 01:50:10,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:10,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:10,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:10,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:10,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:10,884 INFO L87 Difference]: Start difference. First operand 7433 states and 8614 transitions. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 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) [2023-12-16 01:50:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:11,940 INFO L93 Difference]: Finished difference Result 18555 states and 21600 transitions. [2023-12-16 01:50:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 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 329 [2023-12-16 01:50:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:11,960 INFO L225 Difference]: With dead ends: 18555 [2023-12-16 01:50:11,961 INFO L226 Difference]: Without dead ends: 11491 [2023-12-16 01:50:11,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:11,968 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 277 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:11,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 58 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 01:50:11,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2023-12-16 01:50:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 10200. [2023-12-16 01:50:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10200 states, 10199 states have (on average 1.1384449455829002) internal successors, (11611), 10199 states have internal predecessors, (11611), 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) [2023-12-16 01:50:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10200 states to 10200 states and 11611 transitions. [2023-12-16 01:50:12,099 INFO L78 Accepts]: Start accepts. Automaton has 10200 states and 11611 transitions. Word has length 329 [2023-12-16 01:50:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:12,099 INFO L495 AbstractCegarLoop]: Abstraction has 10200 states and 11611 transitions. [2023-12-16 01:50:12,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 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) [2023-12-16 01:50:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10200 states and 11611 transitions. [2023-12-16 01:50:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-12-16 01:50:12,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:12,113 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:12,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 01:50:12,113 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:12,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:12,113 INFO L85 PathProgramCache]: Analyzing trace with hash -290576536, now seen corresponding path program 1 times [2023-12-16 01:50:12,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:12,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244125605] [2023-12-16 01:50:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:12,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-16 01:50:12,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:12,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244125605] [2023-12-16 01:50:12,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244125605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:12,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:12,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 01:50:12,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67546812] [2023-12-16 01:50:12,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:12,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 01:50:12,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:12,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 01:50:12,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:12,498 INFO L87 Difference]: Start difference. First operand 10200 states and 11611 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2023-12-16 01:50:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:13,450 INFO L93 Difference]: Finished difference Result 21874 states and 24944 transitions. [2023-12-16 01:50:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 01:50:13,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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 403 [2023-12-16 01:50:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:13,468 INFO L225 Difference]: With dead ends: 21874 [2023-12-16 01:50:13,468 INFO L226 Difference]: Without dead ends: 12043 [2023-12-16 01:50:13,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 01:50:13,478 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 277 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:13,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 58 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 01:50:13,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12043 states. [2023-12-16 01:50:13,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12043 to 10200. [2023-12-16 01:50:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10200 states, 10199 states have (on average 1.1384449455829002) internal successors, (11611), 10199 states have internal predecessors, (11611), 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) [2023-12-16 01:50:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10200 states to 10200 states and 11611 transitions. [2023-12-16 01:50:13,596 INFO L78 Accepts]: Start accepts. Automaton has 10200 states and 11611 transitions. Word has length 403 [2023-12-16 01:50:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:13,596 INFO L495 AbstractCegarLoop]: Abstraction has 10200 states and 11611 transitions. [2023-12-16 01:50:13,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 4 states have internal predecessors, (300), 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) [2023-12-16 01:50:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 10200 states and 11611 transitions. [2023-12-16 01:50:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2023-12-16 01:50:13,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 01:50:13,615 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-16 01:50:13,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 01:50:13,615 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 01:50:13,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 01:50:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 724217724, now seen corresponding path program 1 times [2023-12-16 01:50:13,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 01:50:13,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656664140] [2023-12-16 01:50:13,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 01:50:13,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 01:50:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 01:50:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-12-16 01:50:13,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 01:50:13,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656664140] [2023-12-16 01:50:13,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656664140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 01:50:13,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 01:50:13,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 01:50:13,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565182268] [2023-12-16 01:50:13,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 01:50:13,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 01:50:13,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 01:50:13,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 01:50:13,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 01:50:13,896 INFO L87 Difference]: Start difference. First operand 10200 states and 11611 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 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) [2023-12-16 01:50:14,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 01:50:14,572 INFO L93 Difference]: Finished difference Result 21684 states and 24758 transitions. [2023-12-16 01:50:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 01:50:14,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 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) Word has length 667 [2023-12-16 01:50:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 01:50:14,573 INFO L225 Difference]: With dead ends: 21684 [2023-12-16 01:50:14,573 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 01:50:14,587 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 [2023-12-16 01:50:14,588 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 194 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 01:50:14,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 360 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 01:50:14,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 01:50:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 01:50:14,588 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) [2023-12-16 01:50:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 01:50:14,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 667 [2023-12-16 01:50:14,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 01:50:14,589 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 01:50:14,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 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) [2023-12-16 01:50:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 01:50:14,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 01:50:14,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 01:50:14,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 01:50:14,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 01:50:15,848 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,849 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,850 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,851 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-16 01:50:15,852 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,853 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,854 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,854 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,854 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,856 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a25~0 13)) (.cse6 (= ~a25~0 11)) (.cse7 (<= ~a23~0 312)) (.cse1 (<= ~a29~0 599998)) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15)) (.cse3 (<= ~a29~0 599999)) (.cse2 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 (<= (+ ~a23~0 599772) 0) .cse2 .cse5) (and .cse6 .cse3 .cse4 .cse2 .cse5) (and .cse6 (<= (+ ~a29~0 22) 0) .cse2) (and (= ~a4~0 0) .cse1) (and (<= (+ ~a29~0 21) 0) .cse2 .cse7) (and .cse6 .cse3 .cse2 .cse7) (and (= ~a25~0 12) (<= 307 ~a23~0) .cse1 .cse4 .cse2 .cse5) (and (<= ~a25~0 10) .cse3 .cse2))) [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,857 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,858 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-16 01:50:15,859 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,860 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,861 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-16 01:50:15,862 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 01:50:15,863 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,864 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,865 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-16 01:50:15,865 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-16 01:50:15,865 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,865 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,865 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-16 01:50:15,868 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 01:50:15,869 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 01:50:15,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:50:15 BoogieIcfgContainer [2023-12-16 01:50:15,881 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 01:50:15,882 INFO L158 Benchmark]: Toolchain (without parser) took 22014.87ms. Allocated memory was 184.5MB in the beginning and 599.8MB in the end (delta: 415.2MB). Free memory was 136.1MB in the beginning and 538.7MB in the end (delta: -402.5MB). Peak memory consumption was 372.3MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,882 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 140.5MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 01:50:15,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.12ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 144.5MB in the end (delta: -8.8MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.10ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 127.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,883 INFO L158 Benchmark]: Boogie Preprocessor took 143.78ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 101.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,883 INFO L158 Benchmark]: RCFGBuilder took 1224.60ms. Allocated memory was 184.5MB in the beginning and 273.7MB in the end (delta: 89.1MB). Free memory was 101.6MB in the beginning and 124.0MB in the end (delta: -22.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,883 INFO L158 Benchmark]: TraceAbstraction took 19963.73ms. Allocated memory was 273.7MB in the beginning and 599.8MB in the end (delta: 326.1MB). Free memory was 123.5MB in the beginning and 538.7MB in the end (delta: -415.1MB). Peak memory consumption was 269.4MB. Max. memory is 8.0GB. [2023-12-16 01:50:15,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 184.5MB. Free memory was 140.6MB in the beginning and 140.5MB in the end (delta: 181.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 587.12ms. Allocated memory is still 184.5MB. Free memory was 135.8MB in the beginning and 144.5MB in the end (delta: -8.8MB). Peak memory consumption was 44.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.10ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 127.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 143.78ms. Allocated memory is still 184.5MB. Free memory was 127.2MB in the beginning and 101.6MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1224.60ms. Allocated memory was 184.5MB in the beginning and 273.7MB in the end (delta: 89.1MB). Free memory was 101.6MB in the beginning and 124.0MB in the end (delta: -22.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * TraceAbstraction took 19963.73ms. Allocated memory was 273.7MB in the beginning and 599.8MB in the end (delta: 326.1MB). Free memory was 123.5MB in the beginning and 538.7MB in the end (delta: -415.1MB). Peak memory consumption was 269.4MB. 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: 91]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3378 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3378 mSDsluCounter, 3044 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 1884 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11627 IncrementalHoareTripleChecker+Invalid, 13511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1884 mSolverCounterUnsat, 2664 mSDtfsCounter, 11627 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 644 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10200occurred in iteration=13, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 9469 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 65 NumberOfFragments, 121 HoareAnnotationTreeSize, 1 FormulaSimplifications, 3859 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 1 FormulaSimplificationsInter, 3179 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 3790 NumberOfCodeBlocks, 3790 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4071 ConstructedInterpolants, 0 QuantifiedInterpolants, 15983 SizeOfPredicates, 8 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 3191/3320 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((a25 == 13) && (a29 <= 599998)) && (a4 == 1)) || ((((((a25 == 13) && (a29 <= 599999)) && (a3 == 1)) && ((a23 + 599772) <= 0)) && (a4 == 1)) && (a8 == 15))) || (((((a25 == 11) && (a29 <= 599999)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((a25 == 11) && ((a29 + 22) <= 0)) && (a4 == 1))) || ((a4 == 0) && (a29 <= 599998))) || ((((a29 + 21) <= 0) && (a4 == 1)) && (a23 <= 312))) || ((((a25 == 11) && (a29 <= 599999)) && (a4 == 1)) && (a23 <= 312))) || ((((((a25 == 12) && (307 <= a23)) && (a29 <= 599998)) && (a3 == 1)) && (a4 == 1)) && (a8 == 15))) || (((a25 <= 10) && (a29 <= 599999)) && (a4 == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-16 01:50:15,912 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...