/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 15:00:43,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 15:00:43,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 15:00:43,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 15:00:43,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 15:00:43,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 15:00:43,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 15:00:43,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 15:00:43,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 15:00:43,573 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 15:00:43,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 15:00:43,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 15:00:43,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 15:00:43,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 15:00:43,575 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 15:00:43,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 15:00:43,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 15:00:43,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 15:00:43,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 15:00:43,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 15:00:43,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 15:00:43,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 15:00:43,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 15:00:43,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 15:00:43,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 15:00:43,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 15:00:43,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 15:00:43,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 15:00:43,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 15:00:43,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 15:00:43,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 15:00:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 15:00:43,581 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 15:00:43,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 15:00:43,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 15:00:43,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 15:00:43,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 15:00:43,792 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 15:00:43,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2023-12-20 15:00:44,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 15:00:45,106 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 15:00:45,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2023-12-20 15:00:45,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884969dfd/e0f8c9e55d4b47b7872c03e051dc9ee4/FLAG0b9836529 [2023-12-20 15:00:45,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884969dfd/e0f8c9e55d4b47b7872c03e051dc9ee4 [2023-12-20 15:00:45,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 15:00:45,135 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 15:00:45,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 15:00:45,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 15:00:45,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 15:00:45,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79eb8046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45, skipping insertion in model container [2023-12-20 15:00:45,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 15:00:45,392 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c[19738,19751] [2023-12-20 15:00:45,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 15:00:45,428 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 15:00:45,504 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c[19738,19751] [2023-12-20 15:00:45,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 15:00:45,525 INFO L206 MainTranslator]: Completed translation [2023-12-20 15:00:45,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45 WrapperNode [2023-12-20 15:00:45,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 15:00:45,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 15:00:45,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 15:00:45,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 15:00:45,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,583 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-12-20 15:00:45,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 15:00:45,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 15:00:45,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 15:00:45,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 15:00:45,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,612 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]. [2023-12-20 15:00:45,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 15:00:45,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 15:00:45,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 15:00:45,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 15:00:45,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (1/1) ... [2023-12-20 15:00:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 15:00:45,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 15:00:45,702 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) [2023-12-20 15:00:45,720 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 [2023-12-20 15:00:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 15:00:45,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 15:00:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 15:00:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 15:00:45,786 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 15:00:45,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 15:00:46,426 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 15:00:46,476 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 15:00:46,477 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 15:00:46,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:00:46 BoogieIcfgContainer [2023-12-20 15:00:46,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 15:00:46,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 15:00:46,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 15:00:46,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 15:00:46,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 03:00:45" (1/3) ... [2023-12-20 15:00:46,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:00:46, skipping insertion in model container [2023-12-20 15:00:46,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:00:45" (2/3) ... [2023-12-20 15:00:46,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:00:46, skipping insertion in model container [2023-12-20 15:00:46,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:00:46" (3/3) ... [2023-12-20 15:00:46,483 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05.c [2023-12-20 15:00:46,495 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 15:00:46,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 15:00:46,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 15:00:46,541 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;@4fea655e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 15:00:46,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 15:00:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-20 15:00:46,559 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:46,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:46,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:46,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash 323127497, now seen corresponding path program 1 times [2023-12-20 15:00:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:46,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070373713] [2023-12-20 15:00:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:46,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:46,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070373713] [2023-12-20 15:00:46,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070373713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:46,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:46,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:00:46,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471007828] [2023-12-20 15:00:46,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:46,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 15:00:46,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:46,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 15:00:46,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 15:00:46,890 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:46,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:46,922 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-20 15:00:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 15:00:46,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2023-12-20 15:00:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:46,943 INFO L225 Difference]: With dead ends: 329 [2023-12-20 15:00:46,943 INFO L226 Difference]: Without dead ends: 163 [2023-12-20 15:00:46,945 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 [2023-12-20 15:00:46,948 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:46,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 15:00:46,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-20 15:00:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-20 15:00:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-20 15:00:46,980 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 125 [2023-12-20 15:00:46,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:46,981 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-20 15:00:46,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-20 15:00:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-20 15:00:46,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:46,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:46,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 15:00:46,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:46,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:46,984 INFO L85 PathProgramCache]: Analyzing trace with hash -585671754, now seen corresponding path program 1 times [2023-12-20 15:00:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:46,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644483568] [2023-12-20 15:00:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:47,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:47,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644483568] [2023-12-20 15:00:47,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644483568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:47,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:47,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:00:47,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210997820] [2023-12-20 15:00:47,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:47,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:47,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:47,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:47,193 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:47,590 INFO L93 Difference]: Finished difference Result 470 states and 719 transitions. [2023-12-20 15:00:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:47,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2023-12-20 15:00:47,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:47,596 INFO L225 Difference]: With dead ends: 470 [2023-12-20 15:00:47,597 INFO L226 Difference]: Without dead ends: 308 [2023-12-20 15:00:47,599 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 [2023-12-20 15:00:47,600 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:47,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 116 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 15:00:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-12-20 15:00:47,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 306. [2023-12-20 15:00:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.3311475409836067) internal successors, (406), 305 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 406 transitions. [2023-12-20 15:00:47,624 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 406 transitions. Word has length 125 [2023-12-20 15:00:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:47,625 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 406 transitions. [2023-12-20 15:00:47,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 406 transitions. [2023-12-20 15:00:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-20 15:00:47,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:47,632 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:47,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 15:00:47,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:47,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash -86039633, now seen corresponding path program 1 times [2023-12-20 15:00:47,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:47,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076834068] [2023-12-20 15:00:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:47,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-20 15:00:47,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:47,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076834068] [2023-12-20 15:00:47,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076834068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:47,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:47,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:00:47,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827611186] [2023-12-20 15:00:47,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:47,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:47,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:47,818 INFO L87 Difference]: Start difference. First operand 306 states and 406 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:48,194 INFO L93 Difference]: Finished difference Result 892 states and 1183 transitions. [2023-12-20 15:00:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:48,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 130 [2023-12-20 15:00:48,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:48,196 INFO L225 Difference]: With dead ends: 892 [2023-12-20 15:00:48,196 INFO L226 Difference]: Without dead ends: 587 [2023-12-20 15:00:48,197 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 [2023-12-20 15:00:48,197 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 92 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:48,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 42 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 15:00:48,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-12-20 15:00:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 447. [2023-12-20 15:00:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 446 states have (on average 1.3923766816143497) internal successors, (621), 446 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 621 transitions. [2023-12-20 15:00:48,207 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 621 transitions. Word has length 130 [2023-12-20 15:00:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:48,207 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 621 transitions. [2023-12-20 15:00:48,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 621 transitions. [2023-12-20 15:00:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-20 15:00:48,208 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:48,208 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:48,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 15:00:48,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:48,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash -154876192, now seen corresponding path program 1 times [2023-12-20 15:00:48,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:48,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558749382] [2023-12-20 15:00:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:48,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:48,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558749382] [2023-12-20 15:00:48,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558749382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:48,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:48,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:00:48,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419328525] [2023-12-20 15:00:48,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:48,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:48,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:48,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:48,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:48,311 INFO L87 Difference]: Start difference. First operand 447 states and 621 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:48,656 INFO L93 Difference]: Finished difference Result 1326 states and 1845 transitions. [2023-12-20 15:00:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:48,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2023-12-20 15:00:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:48,659 INFO L225 Difference]: With dead ends: 1326 [2023-12-20 15:00:48,659 INFO L226 Difference]: Without dead ends: 880 [2023-12-20 15:00:48,659 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 [2023-12-20 15:00:48,660 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 191 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:48,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 69 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:00:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2023-12-20 15:00:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 739. [2023-12-20 15:00:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.3360433604336044) internal successors, (986), 738 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 986 transitions. [2023-12-20 15:00:48,694 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 986 transitions. Word has length 136 [2023-12-20 15:00:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:48,694 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 986 transitions. [2023-12-20 15:00:48,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 986 transitions. [2023-12-20 15:00:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-20 15:00:48,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:48,696 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:48,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 15:00:48,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:48,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:48,697 INFO L85 PathProgramCache]: Analyzing trace with hash 838209904, now seen corresponding path program 1 times [2023-12-20 15:00:48,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:48,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856063243] [2023-12-20 15:00:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:48,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:48,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856063243] [2023-12-20 15:00:48,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856063243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:48,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:48,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:00:48,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773926892] [2023-12-20 15:00:48,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:48,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:48,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:48,794 INFO L87 Difference]: Start difference. First operand 739 states and 986 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:49,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:49,142 INFO L93 Difference]: Finished difference Result 2190 states and 2928 transitions. [2023-12-20 15:00:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:49,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2023-12-20 15:00:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:49,146 INFO L225 Difference]: With dead ends: 2190 [2023-12-20 15:00:49,146 INFO L226 Difference]: Without dead ends: 1452 [2023-12-20 15:00:49,147 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 [2023-12-20 15:00:49,147 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 151 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:49,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 112 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:00:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2023-12-20 15:00:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1163. [2023-12-20 15:00:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1162 states have (on average 1.3158347676419966) internal successors, (1529), 1162 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1529 transitions. [2023-12-20 15:00:49,162 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1529 transitions. Word has length 148 [2023-12-20 15:00:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:49,163 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1529 transitions. [2023-12-20 15:00:49,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1529 transitions. [2023-12-20 15:00:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 15:00:49,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:49,165 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:49,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 15:00:49,166 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:49,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:49,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2124206044, now seen corresponding path program 1 times [2023-12-20 15:00:49,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:49,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623358976] [2023-12-20 15:00:49,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:49,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:49,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:49,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623358976] [2023-12-20 15:00:49,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623358976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:49,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:49,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:00:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046357097] [2023-12-20 15:00:49,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:49,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:49,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:49,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:49,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:49,234 INFO L87 Difference]: Start difference. First operand 1163 states and 1529 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) [2023-12-20 15:00:49,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:49,556 INFO L93 Difference]: Finished difference Result 2889 states and 3861 transitions. [2023-12-20 15:00:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:49,556 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 156 [2023-12-20 15:00:49,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:49,561 INFO L225 Difference]: With dead ends: 2889 [2023-12-20 15:00:49,561 INFO L226 Difference]: Without dead ends: 1727 [2023-12-20 15:00:49,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:49,565 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 137 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:49,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 238 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:00:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2023-12-20 15:00:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1727. [2023-12-20 15:00:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1726 states have (on average 1.2589803012746235) internal successors, (2173), 1726 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2173 transitions. [2023-12-20 15:00:49,596 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2173 transitions. Word has length 156 [2023-12-20 15:00:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:49,597 INFO L495 AbstractCegarLoop]: Abstraction has 1727 states and 2173 transitions. [2023-12-20 15:00:49,597 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) [2023-12-20 15:00:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2173 transitions. [2023-12-20 15:00:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-20 15:00:49,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:49,600 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:49,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 15:00:49,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:49,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash 833176865, now seen corresponding path program 1 times [2023-12-20 15:00:49,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:49,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342392272] [2023-12-20 15:00:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-20 15:00:49,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:49,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342392272] [2023-12-20 15:00:49,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342392272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:49,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:49,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 15:00:49,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116075552] [2023-12-20 15:00:49,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:49,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:49,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:49,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:49,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:49,661 INFO L87 Difference]: Start difference. First operand 1727 states and 2173 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:50,017 INFO L93 Difference]: Finished difference Result 4713 states and 5890 transitions. [2023-12-20 15:00:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:50,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 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 168 [2023-12-20 15:00:50,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:50,024 INFO L225 Difference]: With dead ends: 4713 [2023-12-20 15:00:50,024 INFO L226 Difference]: Without dead ends: 2987 [2023-12-20 15:00:50,027 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 [2023-12-20 15:00:50,030 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 179 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:50,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 77 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:00:50,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2023-12-20 15:00:50,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2987. [2023-12-20 15:00:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 2986 states have (on average 1.2012726054922973) internal successors, (3587), 2986 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 3587 transitions. [2023-12-20 15:00:50,070 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 3587 transitions. Word has length 168 [2023-12-20 15:00:50,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:50,070 INFO L495 AbstractCegarLoop]: Abstraction has 2987 states and 3587 transitions. [2023-12-20 15:00:50,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3587 transitions. [2023-12-20 15:00:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-20 15:00:50,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:50,074 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:50,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 15:00:50,074 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:50,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:50,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1080052150, now seen corresponding path program 1 times [2023-12-20 15:00:50,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:50,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217722549] [2023-12-20 15:00:50,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-20 15:00:50,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:50,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217722549] [2023-12-20 15:00:50,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217722549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:50,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:50,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:00:50,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989612850] [2023-12-20 15:00:50,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:50,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:50,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:50,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:50,167 INFO L87 Difference]: Start difference. First operand 2987 states and 3587 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:50,467 INFO L93 Difference]: Finished difference Result 6535 states and 7785 transitions. [2023-12-20 15:00:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:50,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 197 [2023-12-20 15:00:50,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:50,475 INFO L225 Difference]: With dead ends: 6535 [2023-12-20 15:00:50,475 INFO L226 Difference]: Without dead ends: 2984 [2023-12-20 15:00:50,479 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 [2023-12-20 15:00:50,480 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 159 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:50,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 48 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 15:00:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2023-12-20 15:00:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2983. [2023-12-20 15:00:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 1.1210596914822266) internal successors, (3343), 2982 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3343 transitions. [2023-12-20 15:00:50,518 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3343 transitions. Word has length 197 [2023-12-20 15:00:50,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:50,518 INFO L495 AbstractCegarLoop]: Abstraction has 2983 states and 3343 transitions. [2023-12-20 15:00:50,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3343 transitions. [2023-12-20 15:00:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-20 15:00:50,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:50,523 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:50,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 15:00:50,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:50,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:50,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1249979008, now seen corresponding path program 1 times [2023-12-20 15:00:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259566323] [2023-12-20 15:00:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-20 15:00:50,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:50,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259566323] [2023-12-20 15:00:50,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259566323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:50,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 15:00:50,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 15:00:50,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534582195] [2023-12-20 15:00:50,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:50,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:50,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:50,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 15:00:50,636 INFO L87 Difference]: Start difference. First operand 2983 states and 3343 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:50,897 INFO L93 Difference]: Finished difference Result 6252 states and 6987 transitions. [2023-12-20 15:00:50,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:50,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 201 [2023-12-20 15:00:50,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:50,904 INFO L225 Difference]: With dead ends: 6252 [2023-12-20 15:00:50,905 INFO L226 Difference]: Without dead ends: 3130 [2023-12-20 15:00:50,911 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 [2023-12-20 15:00:50,913 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:50,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 239 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 15:00:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2023-12-20 15:00:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2982. [2023-12-20 15:00:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 1.0939282120093927) internal successors, (3261), 2981 states have internal predecessors, (3261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3261 transitions. [2023-12-20 15:00:50,960 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3261 transitions. Word has length 201 [2023-12-20 15:00:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:50,960 INFO L495 AbstractCegarLoop]: Abstraction has 2982 states and 3261 transitions. [2023-12-20 15:00:50,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3261 transitions. [2023-12-20 15:00:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-20 15:00:50,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 15:00:50,964 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:50,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 15:00:50,965 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 15:00:50,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 15:00:50,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1884058015, now seen corresponding path program 1 times [2023-12-20 15:00:50,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 15:00:50,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626672108] [2023-12-20 15:00:50,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:50,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 15:00:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 15:00:51,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 15:00:51,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626672108] [2023-12-20 15:00:51,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626672108] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 15:00:51,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417024008] [2023-12-20 15:00:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 15:00:51,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 15:00:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 15:00:51,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 15:00:51,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 15:00:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 15:00:51,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 15:00:51,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 15:00:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-20 15:00:51,502 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 15:00:51,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417024008] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 15:00:51,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 15:00:51,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 15:00:51,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039870616] [2023-12-20 15:00:51,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 15:00:51,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 15:00:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 15:00:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 15:00:51,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-20 15:00:51,504 INFO L87 Difference]: Start difference. First operand 2982 states and 3261 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 15:00:51,765 INFO L93 Difference]: Finished difference Result 5959 states and 6518 transitions. [2023-12-20 15:00:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 15:00:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 223 [2023-12-20 15:00:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 15:00:51,765 INFO L225 Difference]: With dead ends: 5959 [2023-12-20 15:00:51,765 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 15:00:51,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-20 15:00:51,769 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 44 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 15:00:51,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 52 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 15:00:51,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 15:00:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 15:00:51,770 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) [2023-12-20 15:00:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 15:00:51,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2023-12-20 15:00:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 15:00:51,770 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 15:00:51,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 15:00:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 15:00:51,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 15:00:51,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 15:00:51,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 15:00:51,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-20 15:00:51,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,143 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,144 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,145 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-20 15:00:52,146 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-20 15:00:52,147 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-20 15:00:52,148 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse4 (not (= ~a25~0 1))) (.cse2 (<= 8 ~a17~0)) (.cse1 (= ~a19~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse3 .cse0) (<= ~a28~0 9) (and .cse3 .cse4) (and .cse4 .cse1) (and .cse0 .cse4) (and .cse2 .cse1))) [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,149 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,150 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-20 15:00:52,151 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-20 15:00:52,153 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 15:00:52,154 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 15:00:52,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 03:00:52 BoogieIcfgContainer [2023-12-20 15:00:52,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 15:00:52,163 INFO L158 Benchmark]: Toolchain (without parser) took 7028.34ms. Allocated memory was 218.1MB in the beginning and 383.8MB in the end (delta: 165.7MB). Free memory was 155.3MB in the beginning and 151.1MB in the end (delta: 4.1MB). Peak memory consumption was 170.7MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,163 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 218.1MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 15:00:52,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.42ms. Allocated memory is still 218.1MB. Free memory was 154.9MB in the beginning and 173.8MB in the end (delta: -18.8MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.06ms. Allocated memory is still 218.1MB. Free memory was 173.8MB in the beginning and 168.1MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,164 INFO L158 Benchmark]: Boogie Preprocessor took 73.08ms. Allocated memory is still 218.1MB. Free memory was 168.1MB in the beginning and 162.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,164 INFO L158 Benchmark]: RCFGBuilder took 819.98ms. Allocated memory is still 218.1MB. Free memory was 162.8MB in the beginning and 81.6MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,164 INFO L158 Benchmark]: TraceAbstraction took 5684.26ms. Allocated memory was 218.1MB in the beginning and 383.8MB in the end (delta: 165.7MB). Free memory was 81.1MB in the beginning and 151.1MB in the end (delta: -70.1MB). Peak memory consumption was 95.6MB. Max. memory is 8.0GB. [2023-12-20 15:00:52,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 218.1MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 389.42ms. Allocated memory is still 218.1MB. Free memory was 154.9MB in the beginning and 173.8MB in the end (delta: -18.8MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.06ms. Allocated memory is still 218.1MB. Free memory was 173.8MB in the beginning and 168.1MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 73.08ms. Allocated memory is still 218.1MB. Free memory was 168.1MB in the beginning and 162.8MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 819.98ms. Allocated memory is still 218.1MB. Free memory was 162.8MB in the beginning and 81.6MB in the end (delta: 81.3MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5684.26ms. Allocated memory was 218.1MB in the beginning and 383.8MB in the end (delta: 165.7MB). Free memory was 81.1MB in the beginning and 151.1MB in the end (delta: -70.1MB). Peak memory consumption was 95.6MB. 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: 560]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1117 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1117 mSDsluCounter, 1241 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3217 IncrementalHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 600 mSolverCounterUnsat, 1107 mSDtfsCounter, 3217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2987occurred in iteration=7, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 721 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 27 NumberOfFragments, 56 HoareAnnotationTreeSize, 1 FormulaSimplifications, 309 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 264 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1832 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1821 ConstructedInterpolants, 0 QuantifiedInterpolants, 4727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 608/666 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((a11 == 0) && (a19 == 1)) || ((8 <= a17) && (a28 == 10))) || ((a28 == 10) && (a11 == 0))) || (a28 <= 9)) || ((a28 == 10) && !((a25 == 1)))) || (!((a25 == 1)) && (a19 == 1))) || ((a11 == 0) && !((a25 == 1)))) || ((8 <= a17) && (a19 == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-20 15:00:52,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...