/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/Problem14_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 17:13:17,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 17:13:17,144 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 17:13:17,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 17:13:17,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 17:13:17,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 17:13:17,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 17:13:17,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 17:13:17,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 17:13:17,194 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 17:13:17,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 17:13:17,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 17:13:17,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 17:13:17,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 17:13:17,197 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 17:13:17,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 17:13:17,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 17:13:17,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 17:13:17,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 17:13:17,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 17:13:17,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 17:13:17,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 17:13:17,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 17:13:17,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 17:13:17,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 17:13:17,200 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 17:13:17,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 17:13:17,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 17:13:17,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 17:13:17,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 17:13:17,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 17:13:17,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 17:13:17,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:13:17,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 17:13:17,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 17:13:17,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 17:13:17,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 17:13:17,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 17:13:17,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 17:13:17,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 17:13:17,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 17:13:17,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 17:13:17,486 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 17:13:17,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2023-12-20 17:13:18,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 17:13:18,982 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 17:13:18,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label25.c [2023-12-20 17:13:19,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884efdb59/853ae6e6825743b2821c84df89cc4782/FLAG67b1dfa67 [2023-12-20 17:13:19,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/884efdb59/853ae6e6825743b2821c84df89cc4782 [2023-12-20 17:13:19,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 17:13:19,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 17:13:19,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 17:13:19,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 17:13:19,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 17:13:19,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3c0099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19, skipping insertion in model container [2023-12-20 17:13:19,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 17:13:19,306 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/Problem14_label25.c[6534,6547] [2023-12-20 17:13:19,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:13:19,514 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 17:13:19,538 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/Problem14_label25.c[6534,6547] [2023-12-20 17:13:19,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:13:19,617 INFO L206 MainTranslator]: Completed translation [2023-12-20 17:13:19,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19 WrapperNode [2023-12-20 17:13:19,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 17:13:19,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 17:13:19,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 17:13:19,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 17:13:19,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,757 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-20 17:13:19,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 17:13:19,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 17:13:19,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 17:13:19,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 17:13:19,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,812 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 17:13:19,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 17:13:19,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 17:13:19,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 17:13:19,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 17:13:19,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (1/1) ... [2023-12-20 17:13:19,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:13:19,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:13:19,926 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 17:13:19,951 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 17:13:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 17:13:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 17:13:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 17:13:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 17:13:20,027 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 17:13:20,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 17:13:21,231 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 17:13:21,263 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 17:13:21,264 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 17:13:21,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:13:21 BoogieIcfgContainer [2023-12-20 17:13:21,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 17:13:21,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 17:13:21,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 17:13:21,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 17:13:21,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 05:13:19" (1/3) ... [2023-12-20 17:13:21,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f45749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:13:21, skipping insertion in model container [2023-12-20 17:13:21,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:13:19" (2/3) ... [2023-12-20 17:13:21,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f45749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:13:21, skipping insertion in model container [2023-12-20 17:13:21,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:13:21" (3/3) ... [2023-12-20 17:13:21,271 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label25.c [2023-12-20 17:13:21,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 17:13:21,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 17:13:21,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 17:13:21,349 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;@1daec283, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 17:13:21,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 17:13:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 181 states have (on average 1.988950276243094) internal successors, (360), 182 states have internal predecessors, (360), 0 states have call successors, (0), 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 17:13:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-20 17:13:21,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:21,368 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] [2023-12-20 17:13:21,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:21,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1920910795, now seen corresponding path program 1 times [2023-12-20 17:13:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717599171] [2023-12-20 17:13:21,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:21,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:21,550 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 17:13:21,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:21,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717599171] [2023-12-20 17:13:21,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717599171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:21,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:21,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:13:21,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191255458] [2023-12-20 17:13:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:21,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 17:13:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:21,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 17:13:21,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 17:13:21,596 INFO L87 Difference]: Start difference. First operand has 183 states, 181 states have (on average 1.988950276243094) internal successors, (360), 182 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 17:13:21,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:21,645 INFO L93 Difference]: Finished difference Result 365 states and 719 transitions. [2023-12-20 17:13:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 17:13:21,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2023-12-20 17:13:21,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:21,662 INFO L225 Difference]: With dead ends: 365 [2023-12-20 17:13:21,662 INFO L226 Difference]: Without dead ends: 181 [2023-12-20 17:13:21,666 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 17:13:21,671 INFO L413 NwaCegarLoop]: 295 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, 295 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 17:13:21,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 17:13:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-20 17:13:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2023-12-20 17:13:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.6388888888888888) internal successors, (295), 180 states have internal predecessors, (295), 0 states have call successors, (0), 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 17:13:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 295 transitions. [2023-12-20 17:13:21,714 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 295 transitions. Word has length 63 [2023-12-20 17:13:21,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:21,714 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 295 transitions. [2023-12-20 17:13:21,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 17:13:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2023-12-20 17:13:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-20 17:13:21,716 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:21,716 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] [2023-12-20 17:13:21,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 17:13:21,717 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:21,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 772826375, now seen corresponding path program 1 times [2023-12-20 17:13:21,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:21,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926540970] [2023-12-20 17:13:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:21,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:22,064 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 17:13:22,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:22,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926540970] [2023-12-20 17:13:22,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926540970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:22,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:22,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000068142] [2023-12-20 17:13:22,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:22,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:13:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:13:22,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:22,071 INFO L87 Difference]: Start difference. First operand 181 states and 295 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 17:13:23,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:23,179 INFO L93 Difference]: Finished difference Result 717 states and 1175 transitions. [2023-12-20 17:13:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:13:23,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2023-12-20 17:13:23,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:23,183 INFO L225 Difference]: With dead ends: 717 [2023-12-20 17:13:23,183 INFO L226 Difference]: Without dead ends: 537 [2023-12-20 17:13:23,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:13:23,185 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 492 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:23,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 14 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:13:23,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2023-12-20 17:13:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2023-12-20 17:13:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.4496268656716418) internal successors, (777), 536 states have internal predecessors, (777), 0 states have call successors, (0), 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 17:13:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 777 transitions. [2023-12-20 17:13:23,224 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 777 transitions. Word has length 63 [2023-12-20 17:13:23,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:23,224 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 777 transitions. [2023-12-20 17:13:23,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 17:13:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 777 transitions. [2023-12-20 17:13:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-20 17:13:23,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:23,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:23,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 17:13:23,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:23,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1988480229, now seen corresponding path program 1 times [2023-12-20 17:13:23,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:23,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250690657] [2023-12-20 17:13:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-20 17:13:23,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:23,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250690657] [2023-12-20 17:13:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250690657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:23,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:23,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:13:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268428148] [2023-12-20 17:13:23,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:23,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:23,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:23,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:13:23,462 INFO L87 Difference]: Start difference. First operand 537 states and 777 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:24,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:24,049 INFO L93 Difference]: Finished difference Result 1073 states and 1655 transitions. [2023-12-20 17:13:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:24,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2023-12-20 17:13:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:24,056 INFO L225 Difference]: With dead ends: 1073 [2023-12-20 17:13:24,056 INFO L226 Difference]: Without dead ends: 715 [2023-12-20 17:13:24,060 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 17:13:24,064 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 125 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:24,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 55 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 17:13:24,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2023-12-20 17:13:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2023-12-20 17:13:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 714 states have (on average 1.354341736694678) internal successors, (967), 714 states have internal predecessors, (967), 0 states have call successors, (0), 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 17:13:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 967 transitions. [2023-12-20 17:13:24,104 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 967 transitions. Word has length 199 [2023-12-20 17:13:24,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:24,104 INFO L495 AbstractCegarLoop]: Abstraction has 715 states and 967 transitions. [2023-12-20 17:13:24,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 967 transitions. [2023-12-20 17:13:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-20 17:13:24,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:24,110 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:24,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 17:13:24,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:24,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:24,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1234073156, now seen corresponding path program 1 times [2023-12-20 17:13:24,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:24,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623929557] [2023-12-20 17:13:24,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:24,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-20 17:13:24,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623929557] [2023-12-20 17:13:24,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623929557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:24,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:24,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:24,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302276945] [2023-12-20 17:13:24,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:24,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:13:24,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:24,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:13:24,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:24,447 INFO L87 Difference]: Start difference. First operand 715 states and 967 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 17:13:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:25,146 INFO L93 Difference]: Finished difference Result 1458 states and 2022 transitions. [2023-12-20 17:13:25,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:13:25,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 222 [2023-12-20 17:13:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:25,151 INFO L225 Difference]: With dead ends: 1458 [2023-12-20 17:13:25,151 INFO L226 Difference]: Without dead ends: 893 [2023-12-20 17:13:25,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:25,152 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:25,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 111 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 17:13:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2023-12-20 17:13:25,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2023-12-20 17:13:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 892 states have (on average 1.1726457399103138) internal successors, (1046), 892 states have internal predecessors, (1046), 0 states have call successors, (0), 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 17:13:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1046 transitions. [2023-12-20 17:13:25,169 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1046 transitions. Word has length 222 [2023-12-20 17:13:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:25,170 INFO L495 AbstractCegarLoop]: Abstraction has 893 states and 1046 transitions. [2023-12-20 17:13:25,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 17:13:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1046 transitions. [2023-12-20 17:13:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-20 17:13:25,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:25,174 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:25,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 17:13:25,175 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:25,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:25,175 INFO L85 PathProgramCache]: Analyzing trace with hash 715130867, now seen corresponding path program 1 times [2023-12-20 17:13:25,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:25,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227786741] [2023-12-20 17:13:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-20 17:13:25,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:25,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227786741] [2023-12-20 17:13:25,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227786741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:25,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:25,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:25,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909931019] [2023-12-20 17:13:25,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:25,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:25,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:25,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:25,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:13:25,589 INFO L87 Difference]: Start difference. First operand 893 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 17:13:26,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:26,090 INFO L93 Difference]: Finished difference Result 1963 states and 2380 transitions. [2023-12-20 17:13:26,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:26,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 353 [2023-12-20 17:13:26,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:26,096 INFO L225 Difference]: With dead ends: 1963 [2023-12-20 17:13:26,097 INFO L226 Difference]: Without dead ends: 1249 [2023-12-20 17:13:26,099 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 17:13:26,099 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 101 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:26,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 74 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 17:13:26,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-12-20 17:13:26,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2023-12-20 17:13:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1248 states have (on average 1.154647435897436) internal successors, (1441), 1248 states have internal predecessors, (1441), 0 states have call successors, (0), 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 17:13:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1441 transitions. [2023-12-20 17:13:26,121 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1441 transitions. Word has length 353 [2023-12-20 17:13:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:26,123 INFO L495 AbstractCegarLoop]: Abstraction has 1249 states and 1441 transitions. [2023-12-20 17:13:26,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 17:13:26,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1441 transitions. [2023-12-20 17:13:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-12-20 17:13:26,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:26,129 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 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 17:13:26,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 17:13:26,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:26,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash -175173201, now seen corresponding path program 1 times [2023-12-20 17:13:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:26,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915836150] [2023-12-20 17:13:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-20 17:13:26,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915836150] [2023-12-20 17:13:26,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915836150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:26,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:26,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:26,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806487207] [2023-12-20 17:13:26,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:26,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:13:26,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:26,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:13:26,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:26,549 INFO L87 Difference]: Start difference. First operand 1249 states and 1441 transitions. Second operand has 4 states, 4 states have (on average 79.0) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 17:13:27,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:27,282 INFO L93 Difference]: Finished difference Result 2853 states and 3313 transitions. [2023-12-20 17:13:27,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:13:27,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 377 [2023-12-20 17:13:27,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:27,289 INFO L225 Difference]: With dead ends: 2853 [2023-12-20 17:13:27,289 INFO L226 Difference]: Without dead ends: 1783 [2023-12-20 17:13:27,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:27,291 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 134 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:27,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 87 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 17:13:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2023-12-20 17:13:27,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2023-12-20 17:13:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 1.1257014590347925) internal successors, (2006), 1782 states have internal predecessors, (2006), 0 states have call successors, (0), 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 17:13:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2006 transitions. [2023-12-20 17:13:27,330 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2006 transitions. Word has length 377 [2023-12-20 17:13:27,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:27,331 INFO L495 AbstractCegarLoop]: Abstraction has 1783 states and 2006 transitions. [2023-12-20 17:13:27,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.0) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 17:13:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2006 transitions. [2023-12-20 17:13:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-12-20 17:13:27,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:27,337 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:27,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 17:13:27,338 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:27,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:27,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1663902297, now seen corresponding path program 1 times [2023-12-20 17:13:27,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:27,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447777985] [2023-12-20 17:13:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-12-20 17:13:27,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:27,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447777985] [2023-12-20 17:13:27,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447777985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:27,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:27,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:27,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980814151] [2023-12-20 17:13:27,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:27,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:13:27,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:27,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:13:27,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:27,725 INFO L87 Difference]: Start difference. First operand 1783 states and 2006 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 17:13:28,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:28,288 INFO L93 Difference]: Finished difference Result 3623 states and 4092 transitions. [2023-12-20 17:13:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:13:28,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 433 [2023-12-20 17:13:28,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:28,295 INFO L225 Difference]: With dead ends: 3623 [2023-12-20 17:13:28,295 INFO L226 Difference]: Without dead ends: 1961 [2023-12-20 17:13:28,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:13:28,298 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 124 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:28,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 14 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 17:13:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2023-12-20 17:13:28,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1605. [2023-12-20 17:13:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1604 states have (on average 1.0903990024937655) internal successors, (1749), 1604 states have internal predecessors, (1749), 0 states have call successors, (0), 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 17:13:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1749 transitions. [2023-12-20 17:13:28,325 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1749 transitions. Word has length 433 [2023-12-20 17:13:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:28,326 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 1749 transitions. [2023-12-20 17:13:28,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 17:13:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1749 transitions. [2023-12-20 17:13:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2023-12-20 17:13:28,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:28,333 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2023-12-20 17:13:28,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 17:13:28,334 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:28,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:28,334 INFO L85 PathProgramCache]: Analyzing trace with hash -801032344, now seen corresponding path program 2 times [2023-12-20 17:13:28,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:28,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734796820] [2023-12-20 17:13:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:28,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 497 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-20 17:13:29,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:29,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734796820] [2023-12-20 17:13:29,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734796820] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:13:29,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236851449] [2023-12-20 17:13:29,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-20 17:13:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:29,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:13:29,064 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 17:13:29,100 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 17:13:29,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-20 17:13:29,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 17:13:29,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 17:13:29,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:13:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-12-20 17:13:30,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:13:30,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236851449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:30,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:13:30,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-20 17:13:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740800249] [2023-12-20 17:13:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:13:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:13:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-20 17:13:30,045 INFO L87 Difference]: Start difference. First operand 1605 states and 1749 transitions. Second operand has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:30,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:30,771 INFO L93 Difference]: Finished difference Result 3743 states and 4139 transitions. [2023-12-20 17:13:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:13:30,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 459 [2023-12-20 17:13:30,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:30,780 INFO L225 Difference]: With dead ends: 3743 [2023-12-20 17:13:30,780 INFO L226 Difference]: Without dead ends: 2317 [2023-12-20 17:13:30,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 457 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-20 17:13:30,783 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 264 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:30,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 12 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 17:13:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2317 states. [2023-12-20 17:13:30,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2317 to 1961. [2023-12-20 17:13:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1960 states have (on average 1.0811224489795919) internal successors, (2119), 1960 states have internal predecessors, (2119), 0 states have call successors, (0), 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 17:13:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2119 transitions. [2023-12-20 17:13:30,825 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2119 transitions. Word has length 459 [2023-12-20 17:13:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:30,826 INFO L495 AbstractCegarLoop]: Abstraction has 1961 states and 2119 transitions. [2023-12-20 17:13:30,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.75) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2119 transitions. [2023-12-20 17:13:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2023-12-20 17:13:30,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:30,833 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:30,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 17:13:31,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:31,040 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:31,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:31,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2112567321, now seen corresponding path program 1 times [2023-12-20 17:13:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:31,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011855045] [2023-12-20 17:13:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-12-20 17:13:31,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011855045] [2023-12-20 17:13:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011855045] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:31,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:13:31,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:13:31,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394796987] [2023-12-20 17:13:31,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:31,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:31,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:31,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:13:31,486 INFO L87 Difference]: Start difference. First operand 1961 states and 2119 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 17:13:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:31,960 INFO L93 Difference]: Finished difference Result 4455 states and 4879 transitions. [2023-12-20 17:13:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:31,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 466 [2023-12-20 17:13:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:31,969 INFO L225 Difference]: With dead ends: 4455 [2023-12-20 17:13:31,969 INFO L226 Difference]: Without dead ends: 2673 [2023-12-20 17:13:31,972 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 17:13:31,973 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:31,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 217 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 17:13:31,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2023-12-20 17:13:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2317. [2023-12-20 17:13:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2316 states have (on average 1.084628670120898) internal successors, (2512), 2316 states have internal predecessors, (2512), 0 states have call successors, (0), 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 17:13:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 2512 transitions. [2023-12-20 17:13:32,017 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 2512 transitions. Word has length 466 [2023-12-20 17:13:32,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:32,017 INFO L495 AbstractCegarLoop]: Abstraction has 2317 states and 2512 transitions. [2023-12-20 17:13:32,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 17:13:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2512 transitions. [2023-12-20 17:13:32,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2023-12-20 17:13:32,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:32,022 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-20 17:13:32,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 17:13:32,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:32,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:32,023 INFO L85 PathProgramCache]: Analyzing trace with hash -703867158, now seen corresponding path program 1 times [2023-12-20 17:13:32,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:32,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347146845] [2023-12-20 17:13:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:32,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 497 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-20 17:13:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347146845] [2023-12-20 17:13:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347146845] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:13:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710185111] [2023-12-20 17:13:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:32,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:32,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:13:32,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:13:32,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 17:13:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:33,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:13:33,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:13:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-20 17:13:33,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:13:33,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710185111] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:33,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:13:33,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-20 17:13:33,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531567336] [2023-12-20 17:13:33,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:33,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:33,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:33,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:33,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:33,119 INFO L87 Difference]: Start difference. First operand 2317 states and 2512 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:33,601 INFO L93 Difference]: Finished difference Result 5167 states and 5663 transitions. [2023-12-20 17:13:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:33,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 511 [2023-12-20 17:13:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:33,611 INFO L225 Difference]: With dead ends: 5167 [2023-12-20 17:13:33,611 INFO L226 Difference]: Without dead ends: 3029 [2023-12-20 17:13:33,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:33,614 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 117 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:33,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 231 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 17:13:33,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2023-12-20 17:13:33,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2673. [2023-12-20 17:13:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2672 states have (on average 1.0868263473053892) internal successors, (2904), 2672 states have internal predecessors, (2904), 0 states have call successors, (0), 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 17:13:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 2904 transitions. [2023-12-20 17:13:33,653 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 2904 transitions. Word has length 511 [2023-12-20 17:13:33,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:33,654 INFO L495 AbstractCegarLoop]: Abstraction has 2673 states and 2904 transitions. [2023-12-20 17:13:33,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:13:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 2904 transitions. [2023-12-20 17:13:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2023-12-20 17:13:33,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:33,660 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2023-12-20 17:13:33,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 17:13:33,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-20 17:13:33,866 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:33,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:33,867 INFO L85 PathProgramCache]: Analyzing trace with hash 590076088, now seen corresponding path program 1 times [2023-12-20 17:13:33,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:33,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133542416] [2023-12-20 17:13:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:33,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 858 proven. 195 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-20 17:13:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133542416] [2023-12-20 17:13:34,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133542416] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:13:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599002355] [2023-12-20 17:13:34,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:34,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:34,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:13:34,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:13:34,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 17:13:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:35,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:13:35,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:13:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2023-12-20 17:13:35,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:13:35,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599002355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:35,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:13:35,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-20 17:13:35,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86329632] [2023-12-20 17:13:35,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:35,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:35,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:35,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:35,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:35,102 INFO L87 Difference]: Start difference. First operand 2673 states and 2904 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 17:13:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:35,599 INFO L93 Difference]: Finished difference Result 5701 states and 6268 transitions. [2023-12-20 17:13:35,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:35,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 610 [2023-12-20 17:13:35,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:35,610 INFO L225 Difference]: With dead ends: 5701 [2023-12-20 17:13:35,611 INFO L226 Difference]: Without dead ends: 3207 [2023-12-20 17:13:35,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:35,615 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 117 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:35,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 244 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 17:13:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2023-12-20 17:13:35,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3029. [2023-12-20 17:13:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3028 states have (on average 1.0881770145310437) internal successors, (3295), 3028 states have internal predecessors, (3295), 0 states have call successors, (0), 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 17:13:35,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 3295 transitions. [2023-12-20 17:13:35,672 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 3295 transitions. Word has length 610 [2023-12-20 17:13:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:35,673 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 3295 transitions. [2023-12-20 17:13:35,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 17:13:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3295 transitions. [2023-12-20 17:13:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2023-12-20 17:13:35,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:13:35,680 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:35,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 17:13:35,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:35,888 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:13:35,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:13:35,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1282767815, now seen corresponding path program 1 times [2023-12-20 17:13:35,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:13:35,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844228262] [2023-12-20 17:13:35,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:35,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:13:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 956 proven. 195 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-12-20 17:13:36,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:13:36,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844228262] [2023-12-20 17:13:36,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844228262] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:13:36,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509621647] [2023-12-20 17:13:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:13:36,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:36,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:13:36,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 17:13:36,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 17:13:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:13:37,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:13:37,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:13:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2023-12-20 17:13:37,119 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:13:37,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509621647] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:13:37,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:13:37,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-20 17:13:37,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195243672] [2023-12-20 17:13:37,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:13:37,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:13:37,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:13:37,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:13:37,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:37,123 INFO L87 Difference]: Start difference. First operand 3029 states and 3295 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 17:13:37,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:13:37,607 INFO L93 Difference]: Finished difference Result 7123 states and 7801 transitions. [2023-12-20 17:13:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:13:37,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 648 [2023-12-20 17:13:37,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:13:37,609 INFO L225 Difference]: With dead ends: 7123 [2023-12-20 17:13:37,609 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 17:13:37,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:13:37,617 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 127 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:13:37,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 210 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 17:13:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 17:13:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 17:13:37,618 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 17:13:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 17:13:37,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 648 [2023-12-20 17:13:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:13:37,619 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 17:13:37,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 17:13:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 17:13:37,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 17:13:37,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 17:13:37,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 17:13:37,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:13:37,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 17:13:38,188 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-12-20 17:13:38,188 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-12-20 17:13:38,188 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-12-20 17:13:38,189 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-12-20 17:13:38,190 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-12-20 17:13:38,191 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-12-20 17:13:38,192 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-12-20 17:13:38,193 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,194 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-12-20 17:13:38,195 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-12-20 17:13:38,196 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-12-20 17:13:38,197 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-12-20 17:13:38,198 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-12-20 17:13:38,199 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,200 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-12-20 17:13:38,201 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,202 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 900) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 17:13:38,203 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,204 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse2 (<= ~a21~0 6)) (.cse1 (not (= ~a15~0 6)))) (or (and .cse0 (<= 10 ~a21~0)) (and .cse0 (<= 12 ~a12~0)) (and .cse0 .cse1) (and .cse0 .cse2) (and .cse0 (= ~a21~0 9)) (and (<= ~a15~0 8) .cse2 .cse1 (<= (+ 49 ~a12~0) 0)))) [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,205 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,206 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-12-20 17:13:38,206 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-12-20 17:13:38,209 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:13:38,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 17:13:38,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 05:13:38 BoogieIcfgContainer [2023-12-20 17:13:38,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 17:13:38,223 INFO L158 Benchmark]: Toolchain (without parser) took 19202.27ms. Allocated memory was 185.6MB in the beginning and 578.8MB in the end (delta: 393.2MB). Free memory was 122.7MB in the beginning and 449.3MB in the end (delta: -326.6MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,223 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 155.2kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 17:13:38,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.89ms. Allocated memory was 185.6MB in the beginning and 264.2MB in the end (delta: 78.6MB). Free memory was 122.5MB in the beginning and 214.3MB in the end (delta: -91.8MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.45ms. Allocated memory is still 264.2MB. Free memory was 214.3MB in the beginning and 204.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,224 INFO L158 Benchmark]: Boogie Preprocessor took 111.17ms. Allocated memory is still 264.2MB. Free memory was 204.3MB in the beginning and 192.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,225 INFO L158 Benchmark]: RCFGBuilder took 1392.97ms. Allocated memory is still 264.2MB. Free memory was 191.6MB in the beginning and 150.9MB in the end (delta: 40.7MB). Peak memory consumption was 41.3MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,225 INFO L158 Benchmark]: TraceAbstraction took 16955.88ms. Allocated memory was 264.2MB in the beginning and 578.8MB in the end (delta: 314.6MB). Free memory was 149.9MB in the beginning and 449.3MB in the end (delta: -299.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2023-12-20 17:13:38,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 137.7MB in the beginning and 137.5MB in the end (delta: 155.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 595.89ms. Allocated memory was 185.6MB in the beginning and 264.2MB in the end (delta: 78.6MB). Free memory was 122.5MB in the beginning and 214.3MB in the end (delta: -91.8MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 140.45ms. Allocated memory is still 264.2MB. Free memory was 214.3MB in the beginning and 204.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.17ms. Allocated memory is still 264.2MB. Free memory was 204.3MB in the beginning and 192.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1392.97ms. Allocated memory is still 264.2MB. Free memory was 191.6MB in the beginning and 150.9MB in the end (delta: 40.7MB). Peak memory consumption was 41.3MB. Max. memory is 8.0GB. * TraceAbstraction took 16955.88ms. Allocated memory was 264.2MB in the beginning and 578.8MB in the end (delta: 314.6MB). Free memory was 149.9MB in the beginning and 449.3MB in the end (delta: -299.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 206]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 183 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1805 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1805 mSDsluCounter, 1564 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 1002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6277 IncrementalHoareTripleChecker+Invalid, 7279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1002 mSolverCounterUnsat, 1506 mSDtfsCounter, 6277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2267 GetRequests, 2234 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3029occurred in iteration=11, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1602 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 28 NumberOfFragments, 53 HoareAnnotationTreeSize, 1 FormulaSimplifications, 225 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FormulaSimplificationsInter, 506 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 6632 NumberOfCodeBlocks, 6632 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6616 ConstructedInterpolants, 0 QuantifiedInterpolants, 22697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2812 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 10309/11089 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: 890]: Loop Invariant Derived loop invariant: (((((((a24 == 1) && (10 <= a21)) || ((a24 == 1) && (12 <= a12))) || ((a24 == 1) && !((a15 == 6)))) || ((a24 == 1) && (a21 <= 6))) || ((a24 == 1) && (a21 == 9))) || ((((a15 <= 8) && (a21 <= 6)) && !((a15 == 6))) && ((49 + a12) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-20 17:13:38,255 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...