/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/Problem10_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 03:30:01,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 03:30:01,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 03:30:01,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 03:30:01,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 03:30:01,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 03:30:01,924 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 03:30:01,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 03:30:01,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 03:30:01,928 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 03:30:01,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 03:30:01,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 03:30:01,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 03:30:01,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 03:30:01,930 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 03:30:01,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 03:30:01,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 03:30:01,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 03:30:01,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 03:30:01,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 03:30:01,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 03:30:01,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 03:30:01,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 03:30:01,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 03:30:01,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 03:30:01,933 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 03:30:01,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 03:30:01,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 03:30:01,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 03:30:01,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 03:30:01,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 03:30:01,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 03:30:01,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:30:01,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 03:30:01,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 03:30:01,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 03:30:01,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 03:30:01,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 03:30:01,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 03:30:02,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 03:30:02,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 03:30:02,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 03:30:02,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 03:30:02,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 03:30:02,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label00.c [2023-12-19 03:30:03,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 03:30:03,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 03:30:03,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label00.c [2023-12-19 03:30:03,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dcc7c2b/d1c563158e134dae9bf201c68cee2b81/FLAGc371706d9 [2023-12-19 03:30:03,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58dcc7c2b/d1c563158e134dae9bf201c68cee2b81 [2023-12-19 03:30:03,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 03:30:03,596 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 03:30:03,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 03:30:03,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 03:30:03,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 03:30:03,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:30:03" (1/1) ... [2023-12-19 03:30:03,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e77f05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:03, skipping insertion in model container [2023-12-19 03:30:03,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:30:03" (1/1) ... [2023-12-19 03:30:03,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 03:30:03,809 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/Problem10_label00.c[5445,5458] [2023-12-19 03:30:03,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:30:03,952 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 03:30:03,971 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/Problem10_label00.c[5445,5458] [2023-12-19 03:30:04,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:30:04,058 INFO L206 MainTranslator]: Completed translation [2023-12-19 03:30:04,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04 WrapperNode [2023-12-19 03:30:04,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 03:30:04,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 03:30:04,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 03:30:04,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 03:30:04,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,146 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-19 03:30:04,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 03:30:04,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 03:30:04,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 03:30:04,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 03:30:04,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,178 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]. [2023-12-19 03:30:04,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 03:30:04,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 03:30:04,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 03:30:04,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 03:30:04,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (1/1) ... [2023-12-19 03:30:04,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:30:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:30:04,261 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) [2023-12-19 03:30:04,309 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 [2023-12-19 03:30:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 03:30:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 03:30:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 03:30:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 03:30:04,359 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 03:30:04,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 03:30:05,160 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 03:30:05,209 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 03:30:05,210 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 03:30:05,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:30:05 BoogieIcfgContainer [2023-12-19 03:30:05,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 03:30:05,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 03:30:05,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 03:30:05,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 03:30:05,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:30:03" (1/3) ... [2023-12-19 03:30:05,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c061c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:30:05, skipping insertion in model container [2023-12-19 03:30:05,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:30:04" (2/3) ... [2023-12-19 03:30:05,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c061c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:30:05, skipping insertion in model container [2023-12-19 03:30:05,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:30:05" (3/3) ... [2023-12-19 03:30:05,217 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label00.c [2023-12-19 03:30:05,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 03:30:05,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 03:30:05,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 03:30:05,303 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;@761b6562, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 03:30:05,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 03:30:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 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) [2023-12-19 03:30:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-19 03:30:05,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:05,315 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] [2023-12-19 03:30:05,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:05,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1671139151, now seen corresponding path program 1 times [2023-12-19 03:30:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:05,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861716374] [2023-12-19 03:30:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:05,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:05,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861716374] [2023-12-19 03:30:05,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861716374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:05,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:05,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:30:05,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351914181] [2023-12-19 03:30:05,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:05,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 03:30:05,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:05,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 03:30:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:30:05,513 INFO L87 Difference]: Start difference. First operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-12-19 03:30:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:05,553 INFO L93 Difference]: Finished difference Result 287 states and 563 transitions. [2023-12-19 03:30:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 03:30:05,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 46 [2023-12-19 03:30:05,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:05,562 INFO L225 Difference]: With dead ends: 287 [2023-12-19 03:30:05,562 INFO L226 Difference]: Without dead ends: 142 [2023-12-19 03:30:05,564 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 [2023-12-19 03:30:05,566 INFO L413 NwaCegarLoop]: 217 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, 217 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 [2023-12-19 03:30:05,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 03:30:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-19 03:30:05,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-12-19 03:30:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 141 states have internal predecessors, (217), 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) [2023-12-19 03:30:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2023-12-19 03:30:05,595 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 46 [2023-12-19 03:30:05,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:05,595 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2023-12-19 03:30:05,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-12-19 03:30:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2023-12-19 03:30:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-19 03:30:05,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:05,596 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] [2023-12-19 03:30:05,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 03:30:05,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:05,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 301914438, now seen corresponding path program 1 times [2023-12-19 03:30:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:05,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495660208] [2023-12-19 03:30:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:05,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:05,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495660208] [2023-12-19 03:30:05,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495660208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:05,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:05,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:30:05,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536001587] [2023-12-19 03:30:05,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:05,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:05,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:05,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:05,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:05,718 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-12-19 03:30:06,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:06,215 INFO L93 Difference]: Finished difference Result 283 states and 433 transitions. [2023-12-19 03:30:06,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:06,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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 46 [2023-12-19 03:30:06,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:06,217 INFO L225 Difference]: With dead ends: 283 [2023-12-19 03:30:06,217 INFO L226 Difference]: Without dead ends: 281 [2023-12-19 03:30:06,218 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 [2023-12-19 03:30:06,219 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 137 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:06,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 9 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:30:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-12-19 03:30:06,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-12-19 03:30:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.5392857142857144) internal successors, (431), 280 states have internal predecessors, (431), 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) [2023-12-19 03:30:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 431 transitions. [2023-12-19 03:30:06,237 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 431 transitions. Word has length 46 [2023-12-19 03:30:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:06,238 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 431 transitions. [2023-12-19 03:30:06,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 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) [2023-12-19 03:30:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 431 transitions. [2023-12-19 03:30:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-19 03:30:06,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:06,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:06,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 03:30:06,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:06,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash -388989004, now seen corresponding path program 1 times [2023-12-19 03:30:06,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:06,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994258867] [2023-12-19 03:30:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:06,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:06,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994258867] [2023-12-19 03:30:06,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994258867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:06,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:06,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:30:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123389989] [2023-12-19 03:30:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:06,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:06,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:06,505 INFO L87 Difference]: Start difference. First operand 281 states and 431 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:06,896 INFO L93 Difference]: Finished difference Result 700 states and 1075 transitions. [2023-12-19 03:30:06,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:06,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-19 03:30:06,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:06,900 INFO L225 Difference]: With dead ends: 700 [2023-12-19 03:30:06,900 INFO L226 Difference]: Without dead ends: 420 [2023-12-19 03:30:06,901 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 [2023-12-19 03:30:06,902 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 73 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:06,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 50 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:30:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-12-19 03:30:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2023-12-19 03:30:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.4439140811455846) internal successors, (605), 419 states have internal predecessors, (605), 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) [2023-12-19 03:30:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 605 transitions. [2023-12-19 03:30:06,926 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 605 transitions. Word has length 115 [2023-12-19 03:30:06,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:06,926 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 605 transitions. [2023-12-19 03:30:06,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 605 transitions. [2023-12-19 03:30:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-19 03:30:06,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:06,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:06,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 03:30:06,930 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:06,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -634084573, now seen corresponding path program 1 times [2023-12-19 03:30:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573493369] [2023-12-19 03:30:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:07,127 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:07,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:07,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573493369] [2023-12-19 03:30:07,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573493369] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:07,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:07,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:07,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520778450] [2023-12-19 03:30:07,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:07,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:07,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:07,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:07,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:07,131 INFO L87 Difference]: Start difference. First operand 420 states and 605 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:07,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:07,525 INFO L93 Difference]: Finished difference Result 1117 states and 1638 transitions. [2023-12-19 03:30:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2023-12-19 03:30:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:07,528 INFO L225 Difference]: With dead ends: 1117 [2023-12-19 03:30:07,528 INFO L226 Difference]: Without dead ends: 837 [2023-12-19 03:30:07,530 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 [2023-12-19 03:30:07,530 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 95 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:07,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 223 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:30:07,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-12-19 03:30:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 698. [2023-12-19 03:30:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 697 states have (on average 1.3314203730272596) internal successors, (928), 697 states have internal predecessors, (928), 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) [2023-12-19 03:30:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 928 transitions. [2023-12-19 03:30:07,568 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 928 transitions. Word has length 121 [2023-12-19 03:30:07,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:07,569 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 928 transitions. [2023-12-19 03:30:07,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 928 transitions. [2023-12-19 03:30:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-19 03:30:07,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:07,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:07,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 03:30:07,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:07,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:07,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1831341025, now seen corresponding path program 1 times [2023-12-19 03:30:07,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:07,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209555612] [2023-12-19 03:30:07,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:07,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:07,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209555612] [2023-12-19 03:30:07,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209555612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:07,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:07,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:30:07,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926213133] [2023-12-19 03:30:07,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:07,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:07,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:07,675 INFO L87 Difference]: Start difference. First operand 698 states and 928 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2023-12-19 03:30:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:08,070 INFO L93 Difference]: Finished difference Result 1395 states and 1961 transitions. [2023-12-19 03:30:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:08,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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 140 [2023-12-19 03:30:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:08,074 INFO L225 Difference]: With dead ends: 1395 [2023-12-19 03:30:08,074 INFO L226 Difference]: Without dead ends: 837 [2023-12-19 03:30:08,075 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 [2023-12-19 03:30:08,083 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 52 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:08,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 74 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:30:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-12-19 03:30:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2023-12-19 03:30:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 836 states have (on average 1.2834928229665072) internal successors, (1073), 836 states have internal predecessors, (1073), 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) [2023-12-19 03:30:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1073 transitions. [2023-12-19 03:30:08,101 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1073 transitions. Word has length 140 [2023-12-19 03:30:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:08,102 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1073 transitions. [2023-12-19 03:30:08,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 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) [2023-12-19 03:30:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1073 transitions. [2023-12-19 03:30:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-19 03:30:08,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:08,109 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:08,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 03:30:08,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:08,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:08,110 INFO L85 PathProgramCache]: Analyzing trace with hash -646455039, now seen corresponding path program 1 times [2023-12-19 03:30:08,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:08,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998155236] [2023-12-19 03:30:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:08,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-19 03:30:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:08,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998155236] [2023-12-19 03:30:08,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998155236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:08,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:08,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:30:08,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534802898] [2023-12-19 03:30:08,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:08,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:08,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:08,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:08,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:08,220 INFO L87 Difference]: Start difference. First operand 837 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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) [2023-12-19 03:30:08,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:08,587 INFO L93 Difference]: Finished difference Result 1812 states and 2329 transitions. [2023-12-19 03:30:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:08,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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 181 [2023-12-19 03:30:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:08,590 INFO L225 Difference]: With dead ends: 1812 [2023-12-19 03:30:08,591 INFO L226 Difference]: Without dead ends: 1115 [2023-12-19 03:30:08,591 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 [2023-12-19 03:30:08,592 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:08,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 32 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2023-12-19 03:30:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2023-12-19 03:30:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 1.1768402154398563) internal successors, (1311), 1114 states have internal predecessors, (1311), 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) [2023-12-19 03:30:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1311 transitions. [2023-12-19 03:30:08,605 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1311 transitions. Word has length 181 [2023-12-19 03:30:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:08,605 INFO L495 AbstractCegarLoop]: Abstraction has 1115 states and 1311 transitions. [2023-12-19 03:30:08,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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) [2023-12-19 03:30:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1311 transitions. [2023-12-19 03:30:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-19 03:30:08,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:08,607 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:08,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 03:30:08,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:08,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash -521574818, now seen corresponding path program 1 times [2023-12-19 03:30:08,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:08,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111550534] [2023-12-19 03:30:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:08,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:08,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:08,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111550534] [2023-12-19 03:30:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111550534] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:08,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:08,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292179653] [2023-12-19 03:30:08,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:08,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:08,808 INFO L87 Difference]: Start difference. First operand 1115 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2023-12-19 03:30:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:09,169 INFO L93 Difference]: Finished difference Result 2368 states and 2856 transitions. [2023-12-19 03:30:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:09,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 198 [2023-12-19 03:30:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:09,173 INFO L225 Difference]: With dead ends: 2368 [2023-12-19 03:30:09,173 INFO L226 Difference]: Without dead ends: 1393 [2023-12-19 03:30:09,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:09,175 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 78 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:09,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 17 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:09,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-12-19 03:30:09,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1393. [2023-12-19 03:30:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1392 states have (on average 1.1997126436781609) internal successors, (1670), 1392 states have internal predecessors, (1670), 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) [2023-12-19 03:30:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1670 transitions. [2023-12-19 03:30:09,215 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1670 transitions. Word has length 198 [2023-12-19 03:30:09,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:09,215 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1670 transitions. [2023-12-19 03:30:09,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2023-12-19 03:30:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1670 transitions. [2023-12-19 03:30:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-19 03:30:09,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:09,218 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:09,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-19 03:30:09,218 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:09,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1024609422, now seen corresponding path program 1 times [2023-12-19 03:30:09,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:09,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704301408] [2023-12-19 03:30:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:30:09,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:09,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704301408] [2023-12-19 03:30:09,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704301408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:09,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:09,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:09,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611214057] [2023-12-19 03:30:09,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:09,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:09,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:09,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:09,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:09,450 INFO L87 Difference]: Start difference. First operand 1393 states and 1670 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-12-19 03:30:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:09,812 INFO L93 Difference]: Finished difference Result 2924 states and 3554 transitions. [2023-12-19 03:30:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:09,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2023-12-19 03:30:09,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:09,817 INFO L225 Difference]: With dead ends: 2924 [2023-12-19 03:30:09,817 INFO L226 Difference]: Without dead ends: 1671 [2023-12-19 03:30:09,818 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 [2023-12-19 03:30:09,819 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 50 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:09,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 212 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:09,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2023-12-19 03:30:09,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1532. [2023-12-19 03:30:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1881123448726323) internal successors, (1819), 1531 states have internal predecessors, (1819), 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) [2023-12-19 03:30:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1819 transitions. [2023-12-19 03:30:09,839 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1819 transitions. Word has length 206 [2023-12-19 03:30:09,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:09,839 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1819 transitions. [2023-12-19 03:30:09,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2023-12-19 03:30:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1819 transitions. [2023-12-19 03:30:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-19 03:30:09,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:09,841 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:09,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 03:30:09,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:09,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:09,842 INFO L85 PathProgramCache]: Analyzing trace with hash -649135019, now seen corresponding path program 1 times [2023-12-19 03:30:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:09,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235318314] [2023-12-19 03:30:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-19 03:30:09,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:09,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235318314] [2023-12-19 03:30:09,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235318314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:09,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:09,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905130618] [2023-12-19 03:30:09,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:09,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:09,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:09,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:09,996 INFO L87 Difference]: Start difference. First operand 1532 states and 1819 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2023-12-19 03:30:10,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:10,357 INFO L93 Difference]: Finished difference Result 2090 states and 2463 transitions. [2023-12-19 03:30:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:10,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 220 [2023-12-19 03:30:10,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:10,362 INFO L225 Difference]: With dead ends: 2090 [2023-12-19 03:30:10,363 INFO L226 Difference]: Without dead ends: 2088 [2023-12-19 03:30:10,363 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 [2023-12-19 03:30:10,364 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:10,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 9 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:10,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-12-19 03:30:10,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1532. [2023-12-19 03:30:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1881123448726323) internal successors, (1819), 1531 states have internal predecessors, (1819), 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) [2023-12-19 03:30:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1819 transitions. [2023-12-19 03:30:10,388 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1819 transitions. Word has length 220 [2023-12-19 03:30:10,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:10,388 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1819 transitions. [2023-12-19 03:30:10,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2023-12-19 03:30:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1819 transitions. [2023-12-19 03:30:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-19 03:30:10,391 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:10,392 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:10,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 03:30:10,392 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:10,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1270984020, now seen corresponding path program 1 times [2023-12-19 03:30:10,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:10,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465976255] [2023-12-19 03:30:10,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:10,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-19 03:30:10,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:10,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465976255] [2023-12-19 03:30:10,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465976255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:10,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:10,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 03:30:10,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874588275] [2023-12-19 03:30:10,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:10,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 03:30:10,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:10,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 03:30:10,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:30:10,758 INFO L87 Difference]: Start difference. First operand 1532 states and 1819 transitions. Second operand has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 6 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:11,123 INFO L93 Difference]: Finished difference Result 2979 states and 3548 transitions. [2023-12-19 03:30:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 03:30:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 6 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2023-12-19 03:30:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:11,127 INFO L225 Difference]: With dead ends: 2979 [2023-12-19 03:30:11,127 INFO L226 Difference]: Without dead ends: 1532 [2023-12-19 03:30:11,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:30:11,128 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 142 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:11,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 18 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-12-19 03:30:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2023-12-19 03:30:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1828870019595037) internal successors, (1811), 1531 states have internal predecessors, (1811), 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) [2023-12-19 03:30:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1811 transitions. [2023-12-19 03:30:11,164 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1811 transitions. Word has length 309 [2023-12-19 03:30:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:11,164 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1811 transitions. [2023-12-19 03:30:11,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 6 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:30:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1811 transitions. [2023-12-19 03:30:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2023-12-19 03:30:11,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:11,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-19 03:30:11,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 03:30:11,168 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:11,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash 63225926, now seen corresponding path program 1 times [2023-12-19 03:30:11,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:11,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703749340] [2023-12-19 03:30:11,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-12-19 03:30:11,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:11,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703749340] [2023-12-19 03:30:11,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703749340] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:11,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:11,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:11,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901974858] [2023-12-19 03:30:11,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:11,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:11,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:11,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:11,492 INFO L87 Difference]: Start difference. First operand 1532 states and 1811 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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) [2023-12-19 03:30:11,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:11,836 INFO L93 Difference]: Finished difference Result 2924 states and 3478 transitions. [2023-12-19 03:30:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 345 [2023-12-19 03:30:11,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:11,841 INFO L225 Difference]: With dead ends: 2924 [2023-12-19 03:30:11,841 INFO L226 Difference]: Without dead ends: 1532 [2023-12-19 03:30:11,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:11,842 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 117 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 156 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2023-12-19 03:30:11,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1254. [2023-12-19 03:30:11,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1253 states have (on average 1.1452513966480447) internal successors, (1435), 1253 states have internal predecessors, (1435), 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) [2023-12-19 03:30:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1435 transitions. [2023-12-19 03:30:11,862 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1435 transitions. Word has length 345 [2023-12-19 03:30:11,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:11,863 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1435 transitions. [2023-12-19 03:30:11,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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) [2023-12-19 03:30:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1435 transitions. [2023-12-19 03:30:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2023-12-19 03:30:11,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:11,867 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, 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, 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] [2023-12-19 03:30:11,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 03:30:11,867 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:11,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:11,867 INFO L85 PathProgramCache]: Analyzing trace with hash -635348172, now seen corresponding path program 1 times [2023-12-19 03:30:11,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:11,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863864653] [2023-12-19 03:30:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-19 03:30:12,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:12,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863864653] [2023-12-19 03:30:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863864653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:12,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:12,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503887065] [2023-12-19 03:30:12,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:12,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:30:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:12,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:30:12,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:30:12,027 INFO L87 Difference]: Start difference. First operand 1254 states and 1435 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2023-12-19 03:30:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:12,426 INFO L93 Difference]: Finished difference Result 3202 states and 3709 transitions. [2023-12-19 03:30:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:30:12,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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 347 [2023-12-19 03:30:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:12,432 INFO L225 Difference]: With dead ends: 3202 [2023-12-19 03:30:12,432 INFO L226 Difference]: Without dead ends: 2088 [2023-12-19 03:30:12,434 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 [2023-12-19 03:30:12,434 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 21 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:12,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 202 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:30:12,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-12-19 03:30:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2023-12-19 03:30:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.127934834690944) internal successors, (2354), 2087 states have internal predecessors, (2354), 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) [2023-12-19 03:30:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2354 transitions. [2023-12-19 03:30:12,465 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2354 transitions. Word has length 347 [2023-12-19 03:30:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:12,465 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2354 transitions. [2023-12-19 03:30:12,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2023-12-19 03:30:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2354 transitions. [2023-12-19 03:30:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2023-12-19 03:30:12,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:30:12,471 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-19 03:30:12,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 03:30:12,471 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:30:12,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:30:12,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2071505958, now seen corresponding path program 1 times [2023-12-19 03:30:12,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:30:12,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917457067] [2023-12-19 03:30:12,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:30:12,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:30:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:30:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-12-19 03:30:12,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:30:12,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917457067] [2023-12-19 03:30:12,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917457067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:30:12,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:30:12,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:30:12,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849694772] [2023-12-19 03:30:12,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:30:12,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:30:12,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:30:12,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:30:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:30:12,879 INFO L87 Difference]: Start difference. First operand 2088 states and 2354 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-19 03:30:13,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:30:13,177 INFO L93 Difference]: Finished difference Result 3901 states and 4420 transitions. [2023-12-19 03:30:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:30:13,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 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 360 [2023-12-19 03:30:13,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:30:13,178 INFO L225 Difference]: With dead ends: 3901 [2023-12-19 03:30:13,178 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 03:30:13,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:30:13,181 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 89 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:30:13,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 9 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:30:13,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 03:30:13,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 03:30:13,181 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) [2023-12-19 03:30:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 03:30:13,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 360 [2023-12-19 03:30:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:30:13,182 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 03:30:13,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-19 03:30:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 03:30:13,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 03:30:13,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 03:30:13,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 03:30:13,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 03:30:13,427 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-12-19 03:30:13,428 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-12-19 03:30:13,429 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-12-19 03:30:13,429 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-12-19 03:30:13,429 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,429 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,430 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-12-19 03:30:13,431 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,432 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-12-19 03:30:13,435 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-12-19 03:30:13,436 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-12-19 03:30:13,437 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,438 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed. [2023-12-19 03:30:13,439 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-12-19 03:30:13,440 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-12-19 03:30:13,441 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 03:30:13,441 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-12-19 03:30:13,441 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-12-19 03:30:13,441 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)) (and (<= ~a19~0 9) .cse0 .cse1 (not .cse2)) (and .cse2 (<= 8 ~a19~0) .cse0 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-12-19 03:30:13,442 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-12-19 03:30:13,444 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-12-19 03:30:13,447 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:30:13,449 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 03:30:13,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:30:13 BoogieIcfgContainer [2023-12-19 03:30:13,465 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 03:30:13,466 INFO L158 Benchmark]: Toolchain (without parser) took 9869.75ms. Allocated memory was 200.3MB in the beginning and 393.2MB in the end (delta: 192.9MB). Free memory was 147.8MB in the beginning and 324.8MB in the end (delta: -177.0MB). Peak memory consumption was 220.4MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,466 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 03:30:13,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.31ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 167.8MB in the end (delta: -20.3MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.94ms. Allocated memory is still 200.3MB. Free memory was 167.8MB in the beginning and 160.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,467 INFO L158 Benchmark]: Boogie Preprocessor took 72.66ms. Allocated memory is still 200.3MB. Free memory was 160.0MB in the beginning and 149.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,467 INFO L158 Benchmark]: RCFGBuilder took 989.97ms. Allocated memory is still 200.3MB. Free memory was 149.5MB in the beginning and 59.3MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,467 INFO L158 Benchmark]: TraceAbstraction took 8253.33ms. Allocated memory was 200.3MB in the beginning and 393.2MB in the end (delta: 192.9MB). Free memory was 58.8MB in the beginning and 324.8MB in the end (delta: -266.0MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. [2023-12-19 03:30:13,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.31ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 167.8MB in the end (delta: -20.3MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 86.94ms. Allocated memory is still 200.3MB. Free memory was 167.8MB in the beginning and 160.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.66ms. Allocated memory is still 200.3MB. Free memory was 160.0MB in the beginning and 149.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * RCFGBuilder took 989.97ms. Allocated memory is still 200.3MB. Free memory was 149.5MB in the beginning and 59.3MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 8.0GB. * TraceAbstraction took 8253.33ms. Allocated memory was 200.3MB in the beginning and 393.2MB in the end (delta: 192.9MB). Free memory was 58.8MB in the beginning and 324.8MB in the end (delta: -266.0MB). Peak memory consumption was 129.8MB. 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: 155]: 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, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1097 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1097 mSDsluCounter, 1228 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4757 IncrementalHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 632 mSolverCounterUnsat, 1177 mSDtfsCounter, 4757 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2088occurred in iteration=12, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 17 NumberOfFragments, 53 HoareAnnotationTreeSize, 1 FormulaSimplifications, 292 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 378 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2634 NumberOfCodeBlocks, 2634 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2621 ConstructedInterpolants, 0 QuantifiedInterpolants, 7606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 2274/2274 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: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4) && ((a1 + 551894) <= 0)) && (a12 == 0)) && (a19 == 6)) || ((((a19 <= 9) && (14 == a4)) && (a12 == 0)) && !((a10 == 0)))) || ((((a10 == 0) && (8 <= a19)) && (14 == a4)) && (a12 == 0))) || (((a10 == 1) && (14 == a4)) && (a12 == 0))) RESULT: Ultimate proved your program to be correct! [2023-12-19 03:30:13,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...