/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:06:24,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:06:24,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 19:06:24,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:06:24,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:06:24,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:06:24,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:06:24,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:06:24,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:06:24,587 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:06:24,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:06:24,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:06:24,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:06:24,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:06:24,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:06:24,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:06:24,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:06:24,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:06:24,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:06:24,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:06:24,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:06:24,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:06:24,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:06:24,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:06:24,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:06:24,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:06:24,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:06:24,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:06:24,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:06:24,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:06:24,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:06:24,596 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:06:24,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:06:24,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:06:24,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:06:24,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:06:24,824 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:06:24,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label40.c [2023-12-15 19:06:25,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:06:26,124 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:06:26,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label40.c [2023-12-15 19:06:26,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/554068ca7/0b9222a32a9d4ebb907f8e6b78fd6457/FLAGc69e2ed50 [2023-12-15 19:06:26,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/554068ca7/0b9222a32a9d4ebb907f8e6b78fd6457 [2023-12-15 19:06:26,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:06:26,147 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:06:26,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:06:26,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:06:26,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:06:26,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101a4f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26, skipping insertion in model container [2023-12-15 19:06:26,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:06:26,360 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/Problem16_label40.c[6583,6596] [2023-12-15 19:06:26,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:06:26,624 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:06:26,647 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/Problem16_label40.c[6583,6596] [2023-12-15 19:06:26,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:06:26,772 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:06:26,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26 WrapperNode [2023-12-15 19:06:26,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:06:26,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:06:26,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:06:26,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:06:26,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,883 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1770 [2023-12-15 19:06:26,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:06:26,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:06:26,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:06:26,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:06:26,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,960 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 19:06:26,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:26,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:06:27,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:06:27,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:06:27,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:06:27,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (1/1) ... [2023-12-15 19:06:27,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:06:27,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:06:27,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 19:06:27,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 19:06:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:06:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:06:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:06:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:06:27,152 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:06:27,154 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:06:28,514 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:06:28,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:06:28,555 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:06:28,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:06:28 BoogieIcfgContainer [2023-12-15 19:06:28,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:06:28,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:06:28,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:06:28,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:06:28,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:06:26" (1/3) ... [2023-12-15 19:06:28,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1de5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:06:28, skipping insertion in model container [2023-12-15 19:06:28,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:06:26" (2/3) ... [2023-12-15 19:06:28,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1de5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:06:28, skipping insertion in model container [2023-12-15 19:06:28,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:06:28" (3/3) ... [2023-12-15 19:06:28,562 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label40.c [2023-12-15 19:06:28,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:06:28,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:06:28,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:06:28,628 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;@36b015aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:06:28,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:06:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-15 19:06:28,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:28,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:28,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:28,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 715452681, now seen corresponding path program 1 times [2023-12-15 19:06:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:28,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467376372] [2023-12-15 19:06:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:06:28,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:28,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467376372] [2023-12-15 19:06:28,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467376372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:28,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:28,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:28,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382308896] [2023-12-15 19:06:28,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:28,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:06:28,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:28,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:06:28,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:06:28,848 INFO L87 Difference]: Start difference. First operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:28,894 INFO L93 Difference]: Finished difference Result 667 states and 1321 transitions. [2023-12-15 19:06:28,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:06:28,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 62 [2023-12-15 19:06:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:28,905 INFO L225 Difference]: With dead ends: 667 [2023-12-15 19:06:28,905 INFO L226 Difference]: Without dead ends: 332 [2023-12-15 19:06:28,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:06:28,910 INFO L413 NwaCegarLoop]: 596 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, 596 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:28,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:06:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-15 19:06:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-12-15 19:06:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.8006042296072509) internal successors, (596), 331 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 596 transitions. [2023-12-15 19:06:28,959 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 596 transitions. Word has length 62 [2023-12-15 19:06:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:28,960 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 596 transitions. [2023-12-15 19:06:28,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 596 transitions. [2023-12-15 19:06:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-15 19:06:28,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:28,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:28,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 19:06:28,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:28,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash 504206124, now seen corresponding path program 1 times [2023-12-15 19:06:28,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:28,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965266651] [2023-12-15 19:06:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:28,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:06:29,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:29,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965266651] [2023-12-15 19:06:29,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965266651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:29,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:29,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:29,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328183002] [2023-12-15 19:06:29,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:29,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:29,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:29,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:29,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:29,118 INFO L87 Difference]: Start difference. First operand 332 states and 596 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:30,358 INFO L93 Difference]: Finished difference Result 992 states and 1785 transitions. [2023-12-15 19:06:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:30,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 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 62 [2023-12-15 19:06:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:30,362 INFO L225 Difference]: With dead ends: 992 [2023-12-15 19:06:30,362 INFO L226 Difference]: Without dead ends: 661 [2023-12-15 19:06:30,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:30,364 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 293 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:30,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 156 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 19:06:30,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-12-15 19:06:30,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2023-12-15 19:06:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.5833333333333333) internal successors, (1045), 660 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1045 transitions. [2023-12-15 19:06:30,391 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1045 transitions. Word has length 62 [2023-12-15 19:06:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:30,391 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1045 transitions. [2023-12-15 19:06:30,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1045 transitions. [2023-12-15 19:06:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-15 19:06:30,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:30,395 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:30,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 19:06:30,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:30,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:30,396 INFO L85 PathProgramCache]: Analyzing trace with hash 227862240, now seen corresponding path program 1 times [2023-12-15 19:06:30,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:30,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769465772] [2023-12-15 19:06:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:06:30,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:30,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769465772] [2023-12-15 19:06:30,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769465772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:30,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:30,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:30,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120698401] [2023-12-15 19:06:30,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:30,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:30,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:30,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:30,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:30,534 INFO L87 Difference]: Start difference. First operand 661 states and 1045 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:31,598 INFO L93 Difference]: Finished difference Result 1650 states and 2538 transitions. [2023-12-15 19:06:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:31,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 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 133 [2023-12-15 19:06:31,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:31,602 INFO L225 Difference]: With dead ends: 1650 [2023-12-15 19:06:31,603 INFO L226 Difference]: Without dead ends: 990 [2023-12-15 19:06:31,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:31,605 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 338 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:31,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 75 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 19:06:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2023-12-15 19:06:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2023-12-15 19:06:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 989 states have (on average 1.3771486349848332) internal successors, (1362), 989 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1362 transitions. [2023-12-15 19:06:31,623 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1362 transitions. Word has length 133 [2023-12-15 19:06:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:31,623 INFO L495 AbstractCegarLoop]: Abstraction has 990 states and 1362 transitions. [2023-12-15 19:06:31,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1362 transitions. [2023-12-15 19:06:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 19:06:31,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:31,625 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:31,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 19:06:31,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:31,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:31,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1412126213, now seen corresponding path program 1 times [2023-12-15 19:06:31,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:31,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211514896] [2023-12-15 19:06:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:06:31,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211514896] [2023-12-15 19:06:31,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211514896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:31,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:31,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:31,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318194141] [2023-12-15 19:06:31,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:31,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:31,759 INFO L87 Difference]: Start difference. First operand 990 states and 1362 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:32,790 INFO L93 Difference]: Finished difference Result 2966 states and 4083 transitions. [2023-12-15 19:06:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2023-12-15 19:06:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:32,796 INFO L225 Difference]: With dead ends: 2966 [2023-12-15 19:06:32,796 INFO L226 Difference]: Without dead ends: 1977 [2023-12-15 19:06:32,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:32,799 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 289 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:32,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 207 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 19:06:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2023-12-15 19:06:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2023-12-15 19:06:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1976 states have (on average 1.2469635627530364) internal successors, (2464), 1976 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2464 transitions. [2023-12-15 19:06:32,829 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2464 transitions. Word has length 134 [2023-12-15 19:06:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:32,829 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2464 transitions. [2023-12-15 19:06:32,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2464 transitions. [2023-12-15 19:06:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-15 19:06:32,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:32,832 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:32,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 19:06:32,832 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:32,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:32,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1888304136, now seen corresponding path program 1 times [2023-12-15 19:06:32,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:32,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472114265] [2023-12-15 19:06:32,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:06:32,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472114265] [2023-12-15 19:06:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472114265] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:32,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:32,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578097938] [2023-12-15 19:06:32,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:32,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:32,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:32,964 INFO L87 Difference]: Start difference. First operand 1977 states and 2464 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:33,962 INFO L93 Difference]: Finished difference Result 4611 states and 5851 transitions. [2023-12-15 19:06:33,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:33,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2023-12-15 19:06:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:33,970 INFO L225 Difference]: With dead ends: 4611 [2023-12-15 19:06:33,971 INFO L226 Difference]: Without dead ends: 2635 [2023-12-15 19:06:33,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:33,978 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 321 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:33,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 536 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 19:06:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2023-12-15 19:06:34,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2635. [2023-12-15 19:06:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2635 states, 2634 states have (on average 1.2171602126044039) internal successors, (3206), 2634 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2635 states and 3206 transitions. [2023-12-15 19:06:34,011 INFO L78 Accepts]: Start accepts. Automaton has 2635 states and 3206 transitions. Word has length 149 [2023-12-15 19:06:34,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:34,012 INFO L495 AbstractCegarLoop]: Abstraction has 2635 states and 3206 transitions. [2023-12-15 19:06:34,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3206 transitions. [2023-12-15 19:06:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-12-15 19:06:34,016 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:34,017 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:34,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 19:06:34,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:34,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:34,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1659728828, now seen corresponding path program 1 times [2023-12-15 19:06:34,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:34,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789408500] [2023-12-15 19:06:34,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:34,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-15 19:06:34,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:34,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789408500] [2023-12-15 19:06:34,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789408500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:34,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:34,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345416146] [2023-12-15 19:06:34,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:34,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:34,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:34,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:34,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:34,234 INFO L87 Difference]: Start difference. First operand 2635 states and 3206 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:35,187 INFO L93 Difference]: Finished difference Result 6585 states and 8077 transitions. [2023-12-15 19:06:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:35,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 334 [2023-12-15 19:06:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:35,209 INFO L225 Difference]: With dead ends: 6585 [2023-12-15 19:06:35,210 INFO L226 Difference]: Without dead ends: 3293 [2023-12-15 19:06:35,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:35,214 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 358 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:35,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 154 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 19:06:35,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3293 states. [2023-12-15 19:06:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3293 to 3293. [2023-12-15 19:06:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3293 states, 3292 states have (on average 1.0653098420413123) internal successors, (3507), 3292 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 3293 states and 3507 transitions. [2023-12-15 19:06:35,253 INFO L78 Accepts]: Start accepts. Automaton has 3293 states and 3507 transitions. Word has length 334 [2023-12-15 19:06:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:35,253 INFO L495 AbstractCegarLoop]: Abstraction has 3293 states and 3507 transitions. [2023-12-15 19:06:35,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 3507 transitions. [2023-12-15 19:06:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-12-15 19:06:35,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:35,259 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 3, 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] [2023-12-15 19:06:35,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 19:06:35,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:35,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash -793319048, now seen corresponding path program 1 times [2023-12-15 19:06:35,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:35,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669891168] [2023-12-15 19:06:35,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:35,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-12-15 19:06:35,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:35,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669891168] [2023-12-15 19:06:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669891168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:35,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:35,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:06:35,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380347259] [2023-12-15 19:06:35,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:35,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:35,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:35,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:35,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:35,577 INFO L87 Difference]: Start difference. First operand 3293 states and 3507 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:36,289 INFO L93 Difference]: Finished difference Result 9548 states and 10184 transitions. [2023-12-15 19:06:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:36,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 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 500 [2023-12-15 19:06:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:36,304 INFO L225 Difference]: With dead ends: 9548 [2023-12-15 19:06:36,304 INFO L226 Difference]: Without dead ends: 6256 [2023-12-15 19:06:36,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:36,308 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 240 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:36,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 69 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:36,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2023-12-15 19:06:36,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 6254. [2023-12-15 19:06:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 6253 states have (on average 1.060610906764753) internal successors, (6632), 6253 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 6632 transitions. [2023-12-15 19:06:36,380 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 6632 transitions. Word has length 500 [2023-12-15 19:06:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:36,380 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 6632 transitions. [2023-12-15 19:06:36,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 2 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 6632 transitions. [2023-12-15 19:06:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-12-15 19:06:36,387 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:36,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:36,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 19:06:36,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:36,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:36,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1045383553, now seen corresponding path program 1 times [2023-12-15 19:06:36,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:36,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519490036] [2023-12-15 19:06:36,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-15 19:06:36,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:36,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519490036] [2023-12-15 19:06:36,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519490036] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:36,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:36,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:36,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405491917] [2023-12-15 19:06:36,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:36,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:06:36,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:36,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:06:36,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:06:36,975 INFO L87 Difference]: Start difference. First operand 6254 states and 6632 transitions. Second operand has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:37,717 INFO L93 Difference]: Finished difference Result 12195 states and 12948 transitions. [2023-12-15 19:06:37,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:06:37,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 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 524 [2023-12-15 19:06:37,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:37,740 INFO L225 Difference]: With dead ends: 12195 [2023-12-15 19:06:37,741 INFO L226 Difference]: Without dead ends: 6271 [2023-12-15 19:06:37,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:06:37,754 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 173 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:37,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 166 Invalid, 1120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:37,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2023-12-15 19:06:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6254. [2023-12-15 19:06:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 6253 states have (on average 1.0604509835279066) internal successors, (6631), 6253 states have internal predecessors, (6631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 6631 transitions. [2023-12-15 19:06:37,838 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 6631 transitions. Word has length 524 [2023-12-15 19:06:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:37,839 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 6631 transitions. [2023-12-15 19:06:37,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 6631 transitions. [2023-12-15 19:06:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2023-12-15 19:06:37,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:37,849 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:37,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 19:06:37,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:37,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1085605051, now seen corresponding path program 1 times [2023-12-15 19:06:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716156085] [2023-12-15 19:06:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-12-15 19:06:38,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:38,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716156085] [2023-12-15 19:06:38,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716156085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:38,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:38,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:38,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393685381] [2023-12-15 19:06:38,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:38,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:38,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:38,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:38,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:38,204 INFO L87 Difference]: Start difference. First operand 6254 states and 6631 transitions. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:38,981 INFO L93 Difference]: Finished difference Result 15139 states and 16161 transitions. [2023-12-15 19:06:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:38,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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 639 [2023-12-15 19:06:38,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:39,007 INFO L225 Difference]: With dead ends: 15139 [2023-12-15 19:06:39,007 INFO L226 Difference]: Without dead ends: 9215 [2023-12-15 19:06:39,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:39,015 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 219 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:39,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 423 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9215 states. [2023-12-15 19:06:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9215 to 8886. [2023-12-15 19:06:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8886 states, 8885 states have (on average 1.0481710748452449) internal successors, (9313), 8885 states have internal predecessors, (9313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8886 states to 8886 states and 9313 transitions. [2023-12-15 19:06:39,124 INFO L78 Accepts]: Start accepts. Automaton has 8886 states and 9313 transitions. Word has length 639 [2023-12-15 19:06:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:39,124 INFO L495 AbstractCegarLoop]: Abstraction has 8886 states and 9313 transitions. [2023-12-15 19:06:39,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8886 states and 9313 transitions. [2023-12-15 19:06:39,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2023-12-15 19:06:39,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:39,133 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:39,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 19:06:39,133 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:39,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:39,133 INFO L85 PathProgramCache]: Analyzing trace with hash 597945931, now seen corresponding path program 1 times [2023-12-15 19:06:39,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:39,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345170156] [2023-12-15 19:06:39,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:39,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 769 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-12-15 19:06:39,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:39,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345170156] [2023-12-15 19:06:39,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345170156] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:39,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:39,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:39,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825195681] [2023-12-15 19:06:39,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:39,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:39,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:39,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:39,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:39,477 INFO L87 Difference]: Start difference. First operand 8886 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:40,178 INFO L93 Difference]: Finished difference Result 20403 states and 21511 transitions. [2023-12-15 19:06:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:40,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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 702 [2023-12-15 19:06:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:40,204 INFO L225 Difference]: With dead ends: 20403 [2023-12-15 19:06:40,204 INFO L226 Difference]: Without dead ends: 11847 [2023-12-15 19:06:40,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:40,214 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 175 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:40,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 411 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11847 states. [2023-12-15 19:06:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11847 to 10860. [2023-12-15 19:06:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10860 states, 10859 states have (on average 1.0454001289253154) internal successors, (11352), 10859 states have internal predecessors, (11352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10860 states to 10860 states and 11352 transitions. [2023-12-15 19:06:40,320 INFO L78 Accepts]: Start accepts. Automaton has 10860 states and 11352 transitions. Word has length 702 [2023-12-15 19:06:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:40,321 INFO L495 AbstractCegarLoop]: Abstraction has 10860 states and 11352 transitions. [2023-12-15 19:06:40,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 10860 states and 11352 transitions. [2023-12-15 19:06:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2023-12-15 19:06:40,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:40,339 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-15 19:06:40,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 19:06:40,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:40,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash 524843938, now seen corresponding path program 1 times [2023-12-15 19:06:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:40,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698589592] [2023-12-15 19:06:40,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 1450 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-12-15 19:06:40,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698589592] [2023-12-15 19:06:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698589592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:40,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:40,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:40,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997954924] [2023-12-15 19:06:40,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:40,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:40,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:40,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:40,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:40,884 INFO L87 Difference]: Start difference. First operand 10860 states and 11352 transitions. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:41,652 INFO L93 Difference]: Finished difference Result 24351 states and 25602 transitions. [2023-12-15 19:06:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:41,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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 1000 [2023-12-15 19:06:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:41,676 INFO L225 Difference]: With dead ends: 24351 [2023-12-15 19:06:41,676 INFO L226 Difference]: Without dead ends: 13821 [2023-12-15 19:06:41,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:41,686 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 192 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:41,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 431 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13821 states. [2023-12-15 19:06:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13821 to 13163. [2023-12-15 19:06:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13163 states, 13162 states have (on average 1.0420908676492935) internal successors, (13716), 13162 states have internal predecessors, (13716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13163 states to 13163 states and 13716 transitions. [2023-12-15 19:06:41,823 INFO L78 Accepts]: Start accepts. Automaton has 13163 states and 13716 transitions. Word has length 1000 [2023-12-15 19:06:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:41,823 INFO L495 AbstractCegarLoop]: Abstraction has 13163 states and 13716 transitions. [2023-12-15 19:06:41,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13163 states and 13716 transitions. [2023-12-15 19:06:41,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2023-12-15 19:06:41,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:41,840 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-15 19:06:41,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 19:06:41,840 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:41,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:41,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1249681630, now seen corresponding path program 1 times [2023-12-15 19:06:41,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:41,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602982789] [2023-12-15 19:06:41,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2176 backedges. 879 proven. 0 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2023-12-15 19:06:42,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602982789] [2023-12-15 19:06:42,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602982789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:42,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:42,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:42,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837424050] [2023-12-15 19:06:42,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:42,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:42,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:42,872 INFO L87 Difference]: Start difference. First operand 13163 states and 13716 transitions. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:43,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:43,598 INFO L93 Difference]: Finished difference Result 26654 states and 27795 transitions. [2023-12-15 19:06:43,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:43,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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 1025 [2023-12-15 19:06:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:43,617 INFO L225 Difference]: With dead ends: 26654 [2023-12-15 19:06:43,618 INFO L226 Difference]: Without dead ends: 13821 [2023-12-15 19:06:43,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:43,627 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 224 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:43,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 435 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:43,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13821 states. [2023-12-15 19:06:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13821 to 13492. [2023-12-15 19:06:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 13491 states have (on average 1.0397301904973686) internal successors, (14027), 13491 states have internal predecessors, (14027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 14027 transitions. [2023-12-15 19:06:43,745 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 14027 transitions. Word has length 1025 [2023-12-15 19:06:43,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:43,746 INFO L495 AbstractCegarLoop]: Abstraction has 13492 states and 14027 transitions. [2023-12-15 19:06:43,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 14027 transitions. [2023-12-15 19:06:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2023-12-15 19:06:43,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:43,764 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:43,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 19:06:43,764 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:43,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1043567205, now seen corresponding path program 1 times [2023-12-15 19:06:43,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:43,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103478385] [2023-12-15 19:06:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:43,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 883 proven. 824 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-12-15 19:06:45,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:45,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103478385] [2023-12-15 19:06:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103478385] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:06:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946589313] [2023-12-15 19:06:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:45,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:06:45,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:06:45,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:06:45,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 19:06:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:45,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:06:45,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:06:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1290 proven. 0 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2023-12-15 19:06:45,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:06:45,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946589313] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:45,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:06:45,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-15 19:06:45,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458725747] [2023-12-15 19:06:45,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:45,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:45,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:45,747 INFO L87 Difference]: Start difference. First operand 13492 states and 14027 transitions. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:46,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:46,441 INFO L93 Difference]: Finished difference Result 26654 states and 27722 transitions. [2023-12-15 19:06:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:46,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 1079 [2023-12-15 19:06:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:46,490 INFO L225 Difference]: With dead ends: 26654 [2023-12-15 19:06:46,490 INFO L226 Difference]: Without dead ends: 13492 [2023-12-15 19:06:46,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1079 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:46,501 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 117 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:46,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 374 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13492 states. [2023-12-15 19:06:46,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13492 to 13492. [2023-12-15 19:06:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 13491 states have (on average 1.0354310280928025) internal successors, (13969), 13491 states have internal predecessors, (13969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 13969 transitions. [2023-12-15 19:06:46,645 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 13969 transitions. Word has length 1079 [2023-12-15 19:06:46,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:46,646 INFO L495 AbstractCegarLoop]: Abstraction has 13492 states and 13969 transitions. [2023-12-15 19:06:46,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 13969 transitions. [2023-12-15 19:06:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2023-12-15 19:06:46,669 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:46,669 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:46,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 19:06:46,878 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,SelfDestructingSolverStorable12 [2023-12-15 19:06:46,881 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:46,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash 134836086, now seen corresponding path program 1 times [2023-12-15 19:06:46,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:46,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266828425] [2023-12-15 19:06:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:46,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3255 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2023-12-15 19:06:47,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:47,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266828425] [2023-12-15 19:06:47,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266828425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:47,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:47,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:06:47,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614182740] [2023-12-15 19:06:47,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:47,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 19:06:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:47,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 19:06:47,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:47,838 INFO L87 Difference]: Start difference. First operand 13492 states and 13969 transitions. Second operand has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:48,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:48,608 INFO L93 Difference]: Finished difference Result 26420 states and 27360 transitions. [2023-12-15 19:06:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 19:06:48,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 1366 [2023-12-15 19:06:48,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:48,627 INFO L225 Difference]: With dead ends: 26420 [2023-12-15 19:06:48,628 INFO L226 Difference]: Without dead ends: 13163 [2023-12-15 19:06:48,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:48,637 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 33 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:48,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 460 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13163 states. [2023-12-15 19:06:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13163 to 13163. [2023-12-15 19:06:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13163 states, 13162 states have (on average 1.0344932381097098) internal successors, (13616), 13162 states have internal predecessors, (13616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13163 states to 13163 states and 13616 transitions. [2023-12-15 19:06:48,796 INFO L78 Accepts]: Start accepts. Automaton has 13163 states and 13616 transitions. Word has length 1366 [2023-12-15 19:06:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:48,797 INFO L495 AbstractCegarLoop]: Abstraction has 13163 states and 13616 transitions. [2023-12-15 19:06:48,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 13163 states and 13616 transitions. [2023-12-15 19:06:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1398 [2023-12-15 19:06:48,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:48,820 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:48,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 19:06:48,820 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:48,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash -269590048, now seen corresponding path program 1 times [2023-12-15 19:06:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884273006] [2023-12-15 19:06:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 2219 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2023-12-15 19:06:50,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:50,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884273006] [2023-12-15 19:06:50,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884273006] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:50,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:50,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:06:50,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270822269] [2023-12-15 19:06:50,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:50,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:06:50,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:50,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:06:50,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:06:50,209 INFO L87 Difference]: Start difference. First operand 13163 states and 13616 transitions. Second operand has 4 states, 4 states have (on average 204.75) internal successors, (819), 4 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:51,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:51,066 INFO L93 Difference]: Finished difference Result 26005 states and 26909 transitions. [2023-12-15 19:06:51,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:06:51,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 204.75) internal successors, (819), 4 states have internal predecessors, (819), 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 1397 [2023-12-15 19:06:51,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:51,080 INFO L225 Difference]: With dead ends: 26005 [2023-12-15 19:06:51,081 INFO L226 Difference]: Without dead ends: 13172 [2023-12-15 19:06:51,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:06:51,088 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 262 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:51,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 436 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 19:06:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13172 states. [2023-12-15 19:06:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13172 to 12834. [2023-12-15 19:06:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12834 states, 12833 states have (on average 1.0346762253565027) internal successors, (13278), 12833 states have internal predecessors, (13278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12834 states to 12834 states and 13278 transitions. [2023-12-15 19:06:51,197 INFO L78 Accepts]: Start accepts. Automaton has 12834 states and 13278 transitions. Word has length 1397 [2023-12-15 19:06:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:51,197 INFO L495 AbstractCegarLoop]: Abstraction has 12834 states and 13278 transitions. [2023-12-15 19:06:51,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.75) internal successors, (819), 4 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12834 states and 13278 transitions. [2023-12-15 19:06:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2023-12-15 19:06:51,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:51,223 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:51,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 19:06:51,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:51,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1549588929, now seen corresponding path program 1 times [2023-12-15 19:06:51,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:51,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550855890] [2023-12-15 19:06:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3255 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2023-12-15 19:06:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550855890] [2023-12-15 19:06:51,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550855890] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:51,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:51,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:51,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956511499] [2023-12-15 19:06:51,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:51,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:51,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:51,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:51,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:51,959 INFO L87 Difference]: Start difference. First operand 12834 states and 13278 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:52,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:52,639 INFO L93 Difference]: Finished difference Result 27970 states and 28944 transitions. [2023-12-15 19:06:52,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:52,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 1405 [2023-12-15 19:06:52,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:52,662 INFO L225 Difference]: With dead ends: 27970 [2023-12-15 19:06:52,662 INFO L226 Difference]: Without dead ends: 13492 [2023-12-15 19:06:52,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:52,670 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 279 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:52,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 409 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13492 states. [2023-12-15 19:06:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13492 to 11847. [2023-12-15 19:06:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11847 states, 11846 states have (on average 1.0268445044740842) internal successors, (12164), 11846 states have internal predecessors, (12164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11847 states to 11847 states and 12164 transitions. [2023-12-15 19:06:52,812 INFO L78 Accepts]: Start accepts. Automaton has 11847 states and 12164 transitions. Word has length 1405 [2023-12-15 19:06:52,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:52,813 INFO L495 AbstractCegarLoop]: Abstraction has 11847 states and 12164 transitions. [2023-12-15 19:06:52,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11847 states and 12164 transitions. [2023-12-15 19:06:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1627 [2023-12-15 19:06:52,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:52,835 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:52,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 19:06:52,835 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:52,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash -98638685, now seen corresponding path program 1 times [2023-12-15 19:06:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:52,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945299721] [2023-12-15 19:06:52,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5184 backedges. 1229 proven. 0 refuted. 0 times theorem prover too weak. 3955 trivial. 0 not checked. [2023-12-15 19:06:53,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945299721] [2023-12-15 19:06:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945299721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:53,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:53,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559224523] [2023-12-15 19:06:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:53,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:53,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:53,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:53,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:53,676 INFO L87 Difference]: Start difference. First operand 11847 states and 12164 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:54,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:54,330 INFO L93 Difference]: Finished difference Result 23364 states and 23996 transitions. [2023-12-15 19:06:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:54,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 1626 [2023-12-15 19:06:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:54,341 INFO L225 Difference]: With dead ends: 23364 [2023-12-15 19:06:54,341 INFO L226 Difference]: Without dead ends: 11847 [2023-12-15 19:06:54,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:54,352 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:54,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 418 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11847 states. [2023-12-15 19:06:54,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11847 to 11847. [2023-12-15 19:06:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11847 states, 11846 states have (on average 1.0197535032922505) internal successors, (12080), 11846 states have internal predecessors, (12080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:54,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11847 states to 11847 states and 12080 transitions. [2023-12-15 19:06:54,428 INFO L78 Accepts]: Start accepts. Automaton has 11847 states and 12080 transitions. Word has length 1626 [2023-12-15 19:06:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:54,429 INFO L495 AbstractCegarLoop]: Abstraction has 11847 states and 12080 transitions. [2023-12-15 19:06:54,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 11847 states and 12080 transitions. [2023-12-15 19:06:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2023-12-15 19:06:54,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:54,453 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:54,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 19:06:54,453 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:54,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:54,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1741414744, now seen corresponding path program 1 times [2023-12-15 19:06:54,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:54,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462265761] [2023-12-15 19:06:54,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6420 backedges. 4048 proven. 156 refuted. 0 times theorem prover too weak. 2216 trivial. 0 not checked. [2023-12-15 19:06:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462265761] [2023-12-15 19:06:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462265761] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:06:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693473223] [2023-12-15 19:06:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:56,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:06:56,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:06:56,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:06:56,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 19:06:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:57,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:06:57,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:06:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6420 backedges. 2575 proven. 0 refuted. 0 times theorem prover too weak. 3845 trivial. 0 not checked. [2023-12-15 19:06:58,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:06:58,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693473223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:58,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:06:58,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-12-15 19:06:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242110872] [2023-12-15 19:06:58,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:58,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:58,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:58,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:58,090 INFO L87 Difference]: Start difference. First operand 11847 states and 12080 transitions. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 2 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:58,682 INFO L93 Difference]: Finished difference Result 23364 states and 23828 transitions. [2023-12-15 19:06:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:58,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 2 states have internal predecessors, (504), 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 1787 [2023-12-15 19:06:58,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:58,692 INFO L225 Difference]: With dead ends: 23364 [2023-12-15 19:06:58,692 INFO L226 Difference]: Without dead ends: 11847 [2023-12-15 19:06:58,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1794 GetRequests, 1790 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:58,699 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 89 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:58,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 74 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:06:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11847 states. [2023-12-15 19:06:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11847 to 11847. [2023-12-15 19:06:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11847 states, 11846 states have (on average 1.0195846699307782) internal successors, (12078), 11846 states have internal predecessors, (12078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11847 states to 11847 states and 12078 transitions. [2023-12-15 19:06:58,785 INFO L78 Accepts]: Start accepts. Automaton has 11847 states and 12078 transitions. Word has length 1787 [2023-12-15 19:06:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:58,785 INFO L495 AbstractCegarLoop]: Abstraction has 11847 states and 12078 transitions. [2023-12-15 19:06:58,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 2 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 11847 states and 12078 transitions. [2023-12-15 19:06:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2023-12-15 19:06:58,809 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:58,811 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:58,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 19:06:59,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-15 19:06:59,021 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:59,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:59,022 INFO L85 PathProgramCache]: Analyzing trace with hash 312684054, now seen corresponding path program 1 times [2023-12-15 19:06:59,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:59,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325317074] [2023-12-15 19:06:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7270 backedges. 2579 proven. 156 refuted. 0 times theorem prover too weak. 4535 trivial. 0 not checked. [2023-12-15 19:07:01,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:07:01,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325317074] [2023-12-15 19:07:01,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325317074] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:07:01,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529292272] [2023-12-15 19:07:01,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:01,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:01,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:07:01,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:07:01,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 19:07:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:01,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 19:07:01,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:07:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7270 backedges. 2735 proven. 0 refuted. 0 times theorem prover too weak. 4535 trivial. 0 not checked. [2023-12-15 19:07:02,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:07:02,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529292272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:07:02,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:07:02,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-15 19:07:02,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323634350] [2023-12-15 19:07:02,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:07:02,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:07:02,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:07:02,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:07:02,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:07:02,331 INFO L87 Difference]: Start difference. First operand 11847 states and 12078 transitions. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:02,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:07:02,982 INFO L93 Difference]: Finished difference Result 25667 states and 26197 transitions. [2023-12-15 19:07:02,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:07:02,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 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 1817 [2023-12-15 19:07:02,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:07:02,995 INFO L225 Difference]: With dead ends: 25667 [2023-12-15 19:07:02,995 INFO L226 Difference]: Without dead ends: 14150 [2023-12-15 19:07:03,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1821 GetRequests, 1816 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:07:03,002 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 173 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:07:03,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 86 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:07:03,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14150 states. [2023-12-15 19:07:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14150 to 13163. [2023-12-15 19:07:03,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13163 states, 13162 states have (on average 1.0186901686673757) internal successors, (13408), 13162 states have internal predecessors, (13408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13163 states to 13163 states and 13408 transitions. [2023-12-15 19:07:03,113 INFO L78 Accepts]: Start accepts. Automaton has 13163 states and 13408 transitions. Word has length 1817 [2023-12-15 19:07:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:07:03,113 INFO L495 AbstractCegarLoop]: Abstraction has 13163 states and 13408 transitions. [2023-12-15 19:07:03,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 13163 states and 13408 transitions. [2023-12-15 19:07:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1926 [2023-12-15 19:07:03,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:07:03,142 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:07:03,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 19:07:03,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:03,349 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:07:03,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:07:03,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1645844358, now seen corresponding path program 1 times [2023-12-15 19:07:03,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:07:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053603519] [2023-12-15 19:07:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:03,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:07:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 3970 proven. 1581 refuted. 0 times theorem prover too weak. 1739 trivial. 0 not checked. [2023-12-15 19:07:06,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:07:06,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053603519] [2023-12-15 19:07:06,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053603519] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:07:06,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023696307] [2023-12-15 19:07:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:06,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:06,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:07:06,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:07:06,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 19:07:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:06,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 19:07:06,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:07:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 3946 proven. 0 refuted. 0 times theorem prover too weak. 3344 trivial. 0 not checked. [2023-12-15 19:07:06,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:07:06,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023696307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:07:06,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:07:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-15 19:07:06,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677916465] [2023-12-15 19:07:06,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:07:06,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:07:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:07:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:07:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:07:06,724 INFO L87 Difference]: Start difference. First operand 13163 states and 13408 transitions. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:07,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:07:07,395 INFO L93 Difference]: Finished difference Result 26654 states and 27153 transitions. [2023-12-15 19:07:07,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:07:07,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 1925 [2023-12-15 19:07:07,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:07:07,405 INFO L225 Difference]: With dead ends: 26654 [2023-12-15 19:07:07,405 INFO L226 Difference]: Without dead ends: 13821 [2023-12-15 19:07:07,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1930 GetRequests, 1926 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:07:07,410 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 263 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:07:07,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 421 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:07:07,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13821 states. [2023-12-15 19:07:07,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13821 to 13821. [2023-12-15 19:07:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13821 states, 13820 states have (on average 1.0180897250361796) internal successors, (14070), 13820 states have internal predecessors, (14070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13821 states to 13821 states and 14070 transitions. [2023-12-15 19:07:07,506 INFO L78 Accepts]: Start accepts. Automaton has 13821 states and 14070 transitions. Word has length 1925 [2023-12-15 19:07:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:07:07,506 INFO L495 AbstractCegarLoop]: Abstraction has 13821 states and 14070 transitions. [2023-12-15 19:07:07,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13821 states and 14070 transitions. [2023-12-15 19:07:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2010 [2023-12-15 19:07:07,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:07:07,568 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:07:07,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-15 19:07:07,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:07,771 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:07:07,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:07:07,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1164489394, now seen corresponding path program 1 times [2023-12-15 19:07:07,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:07:07,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784662252] [2023-12-15 19:07:07,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:07,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:07:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8435 backedges. 3698 proven. 956 refuted. 0 times theorem prover too weak. 3781 trivial. 0 not checked. [2023-12-15 19:07:11,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:07:11,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784662252] [2023-12-15 19:07:11,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784662252] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:07:11,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852398603] [2023-12-15 19:07:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:11,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:11,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:07:11,216 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:07:11,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 19:07:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:11,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:07:11,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:07:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 8435 backedges. 4843 proven. 0 refuted. 0 times theorem prover too weak. 3592 trivial. 0 not checked. [2023-12-15 19:07:11,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:07:11,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852398603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:07:11,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:07:11,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-12-15 19:07:11,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795507463] [2023-12-15 19:07:11,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:07:11,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:07:11,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:07:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:07:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 19:07:11,752 INFO L87 Difference]: Start difference. First operand 13821 states and 14070 transitions. Second operand has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:12,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:07:12,497 INFO L93 Difference]: Finished difference Result 30273 states and 30835 transitions. [2023-12-15 19:07:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:07:12,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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 2009 [2023-12-15 19:07:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:07:12,509 INFO L225 Difference]: With dead ends: 30273 [2023-12-15 19:07:12,510 INFO L226 Difference]: Without dead ends: 16782 [2023-12-15 19:07:12,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2017 GetRequests, 2011 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 19:07:12,513 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 221 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:07:12,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 417 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:07:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16782 states. [2023-12-15 19:07:12,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16782 to 16124. [2023-12-15 19:07:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16124 states, 16123 states have (on average 1.0169323326924269) internal successors, (16396), 16123 states have internal predecessors, (16396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16124 states to 16124 states and 16396 transitions. [2023-12-15 19:07:12,619 INFO L78 Accepts]: Start accepts. Automaton has 16124 states and 16396 transitions. Word has length 2009 [2023-12-15 19:07:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:07:12,619 INFO L495 AbstractCegarLoop]: Abstraction has 16124 states and 16396 transitions. [2023-12-15 19:07:12,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 16124 states and 16396 transitions. [2023-12-15 19:07:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2041 [2023-12-15 19:07:12,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:07:12,653 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-15 19:07:12,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 19:07:12,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:12,860 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:07:12,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:07:12,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1892041953, now seen corresponding path program 1 times [2023-12-15 19:07:12,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:07:12,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293908296] [2023-12-15 19:07:12,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:12,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:07:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8811 backedges. 3823 proven. 969 refuted. 0 times theorem prover too weak. 4019 trivial. 0 not checked. [2023-12-15 19:07:16,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:07:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293908296] [2023-12-15 19:07:16,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293908296] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:07:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200135065] [2023-12-15 19:07:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:07:16,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:16,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:07:16,305 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:07:16,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 19:07:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:07:16,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:07:16,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:07:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8811 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 8080 trivial. 0 not checked. [2023-12-15 19:07:16,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:07:16,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200135065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:07:16,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:07:16,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-12-15 19:07:16,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899505955] [2023-12-15 19:07:16,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:07:16,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:07:16,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:07:16,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:07:16,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 19:07:16,872 INFO L87 Difference]: Start difference. First operand 16124 states and 16396 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:17,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:07:17,637 INFO L93 Difference]: Finished difference Result 36522 states and 37148 transitions. [2023-12-15 19:07:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:07:17,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 2040 [2023-12-15 19:07:17,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:07:17,640 INFO L225 Difference]: With dead ends: 36522 [2023-12-15 19:07:17,640 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 19:07:17,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2048 GetRequests, 2042 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 19:07:17,652 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 271 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:07:17,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 403 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:07:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 19:07:17,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 19:07:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 19:07:17,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2040 [2023-12-15 19:07:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:07:17,653 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 19:07:17,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:07:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 19:07:17,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 19:07:17,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 19:07:17,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 19:07:17,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:07:17,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 19:07:18,694 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,694 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,694 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,694 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,694 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,695 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,696 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,697 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,698 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,699 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 19:07:18,700 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L1777(lines 1777 1793) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,701 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,702 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse10 (<= (+ ~a18~0 156) 0)) (.cse7 (= ~a12~0 6)) (.cse0 (= ~a16~0 9)) (.cse2 (= ~a12~0 9)) (.cse4 (<= 7 ~a18~0)) (.cse8 (<= ~a16~0 11)) (.cse6 (<= ~a16~0 8)) (.cse1 (= 7 ~a12~0)) (.cse9 (= ~a12~0 8)) (.cse3 (<= ~a12~0 5)) (.cse5 (<= ~a15~0 3)) (.cse11 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse4 .cse5) (and .cse6 .cse2) (and .cse7 .cse8) (and .cse5 .cse9 .cse10) (and .cse0 .cse5) (and .cse6 .cse9 .cse10) (and .cse5 .cse1) (and .cse5 .cse7) (and .cse0 .cse9) (and .cse2 .cse5) (and (= ~a16~0 8) (= ~a15~0 4) (= 5 ~a12~0)) (and .cse6 .cse5) (and (<= (+ ~a18~0 79) 0) .cse3 .cse8 (<= 4 ~a15~0)) (and .cse6 .cse4 .cse9) (and .cse3 (<= 158 ~a18~0) .cse8) (and .cse9 (= ~a15~0 3)) (and .cse6 .cse1) (and .cse5 .cse9 .cse11) (and .cse3 .cse5 .cse11))) [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,703 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,704 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,705 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,706 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1504 1775) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,707 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,708 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,708 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,708 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,708 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,708 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,710 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,711 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,712 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,713 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2023-12-15 19:07:18,715 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:07:18,717 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 19:07:18,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 07:07:18 BoogieIcfgContainer [2023-12-15 19:07:18,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 19:07:18,731 INFO L158 Benchmark]: Toolchain (without parser) took 52583.85ms. Allocated memory was 261.1MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 214.3MB in the beginning and 509.8MB in the end (delta: -295.6MB). Peak memory consumption was 745.7MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,734 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 197.1MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 19:07:18,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.80ms. Allocated memory is still 261.1MB. Free memory was 214.3MB in the beginning and 216.9MB in the end (delta: -2.6MB). Peak memory consumption was 65.5MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.17ms. Allocated memory is still 261.1MB. Free memory was 216.9MB in the beginning and 192.8MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,734 INFO L158 Benchmark]: Boogie Preprocessor took 171.32ms. Allocated memory is still 261.1MB. Free memory was 192.8MB in the beginning and 158.2MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,734 INFO L158 Benchmark]: RCFGBuilder took 1500.40ms. Allocated memory is still 261.1MB. Free memory was 158.2MB in the beginning and 121.0MB in the end (delta: 37.2MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,735 INFO L158 Benchmark]: TraceAbstraction took 50172.60ms. Allocated memory was 261.1MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 119.9MB in the beginning and 509.8MB in the end (delta: -389.9MB). Peak memory consumption was 649.8MB. Max. memory is 8.0GB. [2023-12-15 19:07:18,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 197.1MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 624.80ms. Allocated memory is still 261.1MB. Free memory was 214.3MB in the beginning and 216.9MB in the end (delta: -2.6MB). Peak memory consumption was 65.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 110.17ms. Allocated memory is still 261.1MB. Free memory was 216.9MB in the beginning and 192.8MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 171.32ms. Allocated memory is still 261.1MB. Free memory was 192.8MB in the beginning and 158.2MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1500.40ms. Allocated memory is still 261.1MB. Free memory was 158.2MB in the beginning and 121.0MB in the end (delta: 37.2MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * TraceAbstraction took 50172.60ms. Allocated memory was 261.1MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 119.9MB in the beginning and 509.8MB in the end (delta: -389.9MB). Peak memory consumption was 649.8MB. 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: 206]: 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, 334 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.1s, OverallIterations: 22, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4772 SdHoareTripleChecker+Valid, 15.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4772 mSDsluCounter, 7157 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 2241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17955 IncrementalHoareTripleChecker+Invalid, 20196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2241 mSolverCounterUnsat, 6971 mSDtfsCounter, 17955 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10742 GetRequests, 10691 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16124occurred in iteration=21, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 22 MinimizatonAttempts, 5950 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 75 NumberOfFragments, 184 HoareAnnotationTreeSize, 1 FormulaSimplifications, 708 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 1 FormulaSimplificationsInter, 1132 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 23.8s InterpolantComputationTime, 32372 NumberOfCodeBlocks, 32372 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 32344 ConstructedInterpolants, 0 QuantifiedInterpolants, 73278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 12369 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 99000/103642 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: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a16 == 9) && (7 == a12)) || ((a12 == 9) && (a16 == 9))) || (((a12 <= 5) && (7 <= a18)) && (a15 <= 3))) || ((a16 <= 8) && (a12 == 9))) || ((a12 == 6) && (a16 <= 11))) || (((a15 <= 3) && (a12 == 8)) && ((a18 + 156) <= 0))) || ((a16 == 9) && (a15 <= 3))) || (((a16 <= 8) && (a12 == 8)) && ((a18 + 156) <= 0))) || ((a15 <= 3) && (7 == a12))) || ((a15 <= 3) && (a12 == 6))) || ((a16 == 9) && (a12 == 8))) || ((a12 == 9) && (a15 <= 3))) || (((a16 == 8) && (a15 == 4)) && (5 == a12))) || ((a16 <= 8) && (a15 <= 3))) || (((((a18 + 79) <= 0) && (a12 <= 5)) && (a16 <= 11)) && (4 <= a15))) || (((a16 <= 8) && (7 <= a18)) && (a12 == 8))) || (((a12 <= 5) && (158 <= a18)) && (a16 <= 11))) || ((a12 == 8) && (a15 == 3))) || ((a16 <= 8) && (7 == a12))) || (((a15 <= 3) && (a12 == 8)) && (11 <= a16))) || (((a12 <= 5) && (a15 <= 3)) && (11 <= a16))) RESULT: Ultimate proved your program to be correct! [2023-12-15 19:07:18,758 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...