/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:05:38,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:05:38,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 19:05:38,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:05:38,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:05:38,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:05:38,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:05:38,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:05:38,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:05:38,611 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:05:38,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:05:38,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:05:38,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:05:38,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:05:38,612 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:05:38,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:05:38,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:05:38,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:05:38,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:05:38,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:05:38,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:05:38,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:05:38,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:05:38,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:05:38,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:05:38,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:05:38,631 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:05:38,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:05:38,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:05:38,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:05:38,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:05:38,838 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:05:38,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label25.c [2023-12-15 19:05:39,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:05:40,172 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:05:40,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label25.c [2023-12-15 19:05:40,189 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3450105ce/a3a43477e9734885bff01e604b894a8d/FLAGd9df73ae0 [2023-12-15 19:05:40,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3450105ce/a3a43477e9734885bff01e604b894a8d [2023-12-15 19:05:40,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:05:40,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:05:40,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:05:40,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:05:40,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:05:40,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:40,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c843ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40, skipping insertion in model container [2023-12-15 19:05:40,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:40,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:05:40,431 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label25.c[5318,5331] [2023-12-15 19:05:40,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:05:40,723 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:05:40,748 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label25.c[5318,5331] [2023-12-15 19:05:40,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:05:40,895 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:05:40,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40 WrapperNode [2023-12-15 19:05:40,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:05:40,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:05:40,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:05:40,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:05:40,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:40,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,077 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1770 [2023-12-15 19:05:41,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:05:41,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:05:41,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:05:41,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:05:41,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,151 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 19:05:41,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:05:41,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:05:41,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:05:41,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:05:41,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (1/1) ... [2023-12-15 19:05:41,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:05:41,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:05:41,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 19:05:41,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 19:05:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:05:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:05:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:05:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:05:41,381 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:05:41,383 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:05:43,024 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:05:43,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:05:43,070 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:05:43,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:05:43 BoogieIcfgContainer [2023-12-15 19:05:43,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:05:43,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:05:43,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:05:43,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:05:43,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:05:40" (1/3) ... [2023-12-15 19:05:43,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2661a0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:05:43, skipping insertion in model container [2023-12-15 19:05:43,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:05:40" (2/3) ... [2023-12-15 19:05:43,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2661a0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:05:43, skipping insertion in model container [2023-12-15 19:05:43,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:05:43" (3/3) ... [2023-12-15 19:05:43,077 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label25.c [2023-12-15 19:05:43,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:05:43,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:05:43,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:05:43,140 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;@ce07fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:05:43,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:05:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-15 19:05:43,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:43,153 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] [2023-12-15 19:05:43,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:43,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:43,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1596310217, now seen corresponding path program 1 times [2023-12-15 19:05:43,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:43,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073371471] [2023-12-15 19:05:43,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:43,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:43,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:43,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073371471] [2023-12-15 19:05:43,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073371471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:43,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:43,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:05:43,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641053965] [2023-12-15 19:05:43,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:43,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:05:43,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:43,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:05:43,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:05:43,351 INFO L87 Difference]: Start difference. First operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:43,402 INFO L93 Difference]: Finished difference Result 667 states and 1321 transitions. [2023-12-15 19:05:43,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:05:43,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2023-12-15 19:05:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:43,425 INFO L225 Difference]: With dead ends: 667 [2023-12-15 19:05:43,425 INFO L226 Difference]: Without dead ends: 332 [2023-12-15 19:05:43,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:05:43,434 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:43,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:05:43,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-15 19:05:43,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-12-15 19:05:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.8006042296072509) internal successors, (596), 331 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 596 transitions. [2023-12-15 19:05:43,482 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 596 transitions. Word has length 49 [2023-12-15 19:05:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:43,482 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 596 transitions. [2023-12-15 19:05:43,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 596 transitions. [2023-12-15 19:05:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-15 19:05:43,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:43,483 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] [2023-12-15 19:05:43,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 19:05:43,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:43,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2111666783, now seen corresponding path program 1 times [2023-12-15 19:05:43,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:43,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282440473] [2023-12-15 19:05:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:43,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282440473] [2023-12-15 19:05:43,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282440473] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:43,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:43,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:05:43,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695859091] [2023-12-15 19:05:43,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:43,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:43,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:43,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:43,626 INFO L87 Difference]: Start difference. First operand 332 states and 596 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:45,197 INFO L93 Difference]: Finished difference Result 992 states and 1785 transitions. [2023-12-15 19:05:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:45,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2023-12-15 19:05:45,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:45,201 INFO L225 Difference]: With dead ends: 992 [2023-12-15 19:05:45,201 INFO L226 Difference]: Without dead ends: 661 [2023-12-15 19:05:45,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:45,202 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 300 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:45,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 77 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-15 19:05:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-12-15 19:05:45,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2023-12-15 19:05:45,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.7015151515151514) internal successors, (1123), 660 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1123 transitions. [2023-12-15 19:05:45,260 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1123 transitions. Word has length 49 [2023-12-15 19:05:45,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:45,260 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1123 transitions. [2023-12-15 19:05:45,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1123 transitions. [2023-12-15 19:05:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-15 19:05:45,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:45,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:45,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 19:05:45,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:45,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1420260030, now seen corresponding path program 1 times [2023-12-15 19:05:45,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:45,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892790570] [2023-12-15 19:05:45,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892790570] [2023-12-15 19:05:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892790570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:45,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:05:45,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220323661] [2023-12-15 19:05:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:45,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:45,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:45,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:45,428 INFO L87 Difference]: Start difference. First operand 661 states and 1123 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:46,596 INFO L93 Difference]: Finished difference Result 1979 states and 3366 transitions. [2023-12-15 19:05:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:46,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-15 19:05:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:46,601 INFO L225 Difference]: With dead ends: 1979 [2023-12-15 19:05:46,601 INFO L226 Difference]: Without dead ends: 1319 [2023-12-15 19:05:46,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:46,604 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:46,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 75 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 19:05:46,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2023-12-15 19:05:46,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2023-12-15 19:05:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.6206373292867982) internal successors, (2136), 1318 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 2136 transitions. [2023-12-15 19:05:46,636 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 2136 transitions. Word has length 115 [2023-12-15 19:05:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:46,636 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 2136 transitions. [2023-12-15 19:05:46,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2136 transitions. [2023-12-15 19:05:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-15 19:05:46,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:46,639 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:46,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 19:05:46,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:46,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:46,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1662130166, now seen corresponding path program 1 times [2023-12-15 19:05:46,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:46,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042242708] [2023-12-15 19:05:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:46,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:46,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:46,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042242708] [2023-12-15 19:05:46,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042242708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:46,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:46,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:05:46,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579699235] [2023-12-15 19:05:46,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:46,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:46,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:46,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:46,721 INFO L87 Difference]: Start difference. First operand 1319 states and 2136 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:47,751 INFO L93 Difference]: Finished difference Result 3295 states and 5284 transitions. [2023-12-15 19:05:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:47,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-15 19:05:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:47,756 INFO L225 Difference]: With dead ends: 3295 [2023-12-15 19:05:47,757 INFO L226 Difference]: Without dead ends: 1977 [2023-12-15 19:05:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:47,759 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 153 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 19:05:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2023-12-15 19:05:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2023-12-15 19:05:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1976 states have (on average 1.33248987854251) internal successors, (2633), 1976 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2633 transitions. [2023-12-15 19:05:47,787 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2633 transitions. Word has length 116 [2023-12-15 19:05:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:47,787 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2633 transitions. [2023-12-15 19:05:47,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2633 transitions. [2023-12-15 19:05:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-15 19:05:47,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:47,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:47,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 19:05:47,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:47,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:47,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1731941104, now seen corresponding path program 1 times [2023-12-15 19:05:47,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:47,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599879917] [2023-12-15 19:05:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:47,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:47,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:47,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599879917] [2023-12-15 19:05:47,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599879917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:47,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:47,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:05:47,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424435538] [2023-12-15 19:05:47,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:47,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:47,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:47,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:47,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:47,936 INFO L87 Difference]: Start difference. First operand 1977 states and 2633 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:49,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:49,007 INFO L93 Difference]: Finished difference Result 5927 states and 7896 transitions. [2023-12-15 19:05:49,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:49,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 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 208 [2023-12-15 19:05:49,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:49,018 INFO L225 Difference]: With dead ends: 5927 [2023-12-15 19:05:49,018 INFO L226 Difference]: Without dead ends: 3951 [2023-12-15 19:05:49,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:49,021 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 181 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:49,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 257 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 19:05:49,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2023-12-15 19:05:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3951. [2023-12-15 19:05:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 3950 states have (on average 1.2164556962025317) internal successors, (4805), 3950 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 4805 transitions. [2023-12-15 19:05:49,071 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 4805 transitions. Word has length 208 [2023-12-15 19:05:49,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:49,072 INFO L495 AbstractCegarLoop]: Abstraction has 3951 states and 4805 transitions. [2023-12-15 19:05:49,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 2 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4805 transitions. [2023-12-15 19:05:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-15 19:05:49,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:49,074 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:49,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 19:05:49,075 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:49,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:49,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1367546169, now seen corresponding path program 1 times [2023-12-15 19:05:49,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:49,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886963475] [2023-12-15 19:05:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:49,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:49,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:49,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886963475] [2023-12-15 19:05:49,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886963475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:49,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:49,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:05:49,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645885492] [2023-12-15 19:05:49,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:49,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:05:49,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:49,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:05:49,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:05:49,528 INFO L87 Difference]: Start difference. First operand 3951 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:50,645 INFO L93 Difference]: Finished difference Result 8242 states and 9962 transitions. [2023-12-15 19:05:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:05:50,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 294 [2023-12-15 19:05:50,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:50,655 INFO L225 Difference]: With dead ends: 8242 [2023-12-15 19:05:50,656 INFO L226 Difference]: Without dead ends: 4292 [2023-12-15 19:05:50,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:05:50,661 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 173 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:50,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 362 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 19:05:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2023-12-15 19:05:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4280. [2023-12-15 19:05:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 4279 states have (on average 1.2012152372049545) internal successors, (5140), 4279 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5140 transitions. [2023-12-15 19:05:50,725 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5140 transitions. Word has length 294 [2023-12-15 19:05:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:50,725 INFO L495 AbstractCegarLoop]: Abstraction has 4280 states and 5140 transitions. [2023-12-15 19:05:50,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.5) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5140 transitions. [2023-12-15 19:05:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-12-15 19:05:50,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:50,729 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:50,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 19:05:50,730 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:50,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1985964300, now seen corresponding path program 1 times [2023-12-15 19:05:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:50,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235317415] [2023-12-15 19:05:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:51,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:51,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235317415] [2023-12-15 19:05:51,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235317415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:51,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:51,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:05:51,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513330566] [2023-12-15 19:05:51,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:51,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:05:51,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:51,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:05:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:05:51,149 INFO L87 Difference]: Start difference. First operand 4280 states and 5140 transitions. Second operand has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:52,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:52,622 INFO L93 Difference]: Finished difference Result 8089 states and 9791 transitions. [2023-12-15 19:05:52,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 19:05:52,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 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 381 [2023-12-15 19:05:52,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:52,637 INFO L225 Difference]: With dead ends: 8089 [2023-12-15 19:05:52,637 INFO L226 Difference]: Without dead ends: 3951 [2023-12-15 19:05:52,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:05:52,644 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 288 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:52,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 293 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-15 19:05:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2023-12-15 19:05:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 3951. [2023-12-15 19:05:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 3950 states have (on average 1.080253164556962) internal successors, (4267), 3950 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 4267 transitions. [2023-12-15 19:05:52,707 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 4267 transitions. Word has length 381 [2023-12-15 19:05:52,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:52,708 INFO L495 AbstractCegarLoop]: Abstraction has 3951 states and 4267 transitions. [2023-12-15 19:05:52,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4267 transitions. [2023-12-15 19:05:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2023-12-15 19:05:52,713 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:52,713 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:52,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 19:05:52,714 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:52,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash -599706958, now seen corresponding path program 1 times [2023-12-15 19:05:52,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:52,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757212127] [2023-12-15 19:05:52,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-12-15 19:05:52,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:52,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757212127] [2023-12-15 19:05:52,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757212127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:52,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:52,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:05:52,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520242693] [2023-12-15 19:05:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:52,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:52,972 INFO L87 Difference]: Start difference. First operand 3951 states and 4267 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:53,831 INFO L93 Difference]: Finished difference Result 9217 states and 10059 transitions. [2023-12-15 19:05:53,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:53,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 388 [2023-12-15 19:05:53,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:53,848 INFO L225 Difference]: With dead ends: 9217 [2023-12-15 19:05:53,849 INFO L226 Difference]: Without dead ends: 5596 [2023-12-15 19:05:53,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:53,855 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 285 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:53,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 403 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 19:05:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2023-12-15 19:05:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 5596. [2023-12-15 19:05:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5595 states have (on average 1.0748882931188561) internal successors, (6014), 5595 states have internal predecessors, (6014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 6014 transitions. [2023-12-15 19:05:53,959 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 6014 transitions. Word has length 388 [2023-12-15 19:05:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:53,960 INFO L495 AbstractCegarLoop]: Abstraction has 5596 states and 6014 transitions. [2023-12-15 19:05:53,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 6014 transitions. [2023-12-15 19:05:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2023-12-15 19:05:53,967 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:53,968 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:53,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 19:05:53,968 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:53,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1553494339, now seen corresponding path program 1 times [2023-12-15 19:05:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:53,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043983522] [2023-12-15 19:05:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:54,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:54,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043983522] [2023-12-15 19:05:54,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043983522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:54,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:54,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:05:54,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886551434] [2023-12-15 19:05:54,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:54,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:54,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:54,310 INFO L87 Difference]: Start difference. First operand 5596 states and 6014 transitions. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:55,112 INFO L93 Difference]: Finished difference Result 10862 states and 11696 transitions. [2023-12-15 19:05:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:55,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 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 443 [2023-12-15 19:05:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:55,150 INFO L225 Difference]: With dead ends: 10862 [2023-12-15 19:05:55,151 INFO L226 Difference]: Without dead ends: 5596 [2023-12-15 19:05:55,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:55,160 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 178 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:55,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 414 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 19:05:55,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2023-12-15 19:05:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 5596. [2023-12-15 19:05:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5595 states have (on average 1.0491510277033065) internal successors, (5870), 5595 states have internal predecessors, (5870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 5870 transitions. [2023-12-15 19:05:55,229 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 5870 transitions. Word has length 443 [2023-12-15 19:05:55,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:55,230 INFO L495 AbstractCegarLoop]: Abstraction has 5596 states and 5870 transitions. [2023-12-15 19:05:55,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 5870 transitions. [2023-12-15 19:05:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2023-12-15 19:05:55,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:55,236 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-15 19:05:55,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 19:05:55,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:55,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1485346541, now seen corresponding path program 1 times [2023-12-15 19:05:55,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:55,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628718448] [2023-12-15 19:05:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:55,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 19:05:55,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:55,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628718448] [2023-12-15 19:05:55,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628718448] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:55,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:05:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20942442] [2023-12-15 19:05:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:55,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:05:55,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:05:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:05:55,554 INFO L87 Difference]: Start difference. First operand 5596 states and 5870 transitions. Second operand has 4 states, 4 states have (on average 131.75) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:56,866 INFO L93 Difference]: Finished difference Result 16457 states and 17283 transitions. [2023-12-15 19:05:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:05:56,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.75) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 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 527 [2023-12-15 19:05:56,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:56,885 INFO L225 Difference]: With dead ends: 16457 [2023-12-15 19:05:56,885 INFO L226 Difference]: Without dead ends: 11191 [2023-12-15 19:05:56,890 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 [2023-12-15 19:05:56,890 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 193 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:56,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 96 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 19:05:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11191 states. [2023-12-15 19:05:56,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11191 to 9215. [2023-12-15 19:05:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9215 states, 9214 states have (on average 1.0493813761667028) internal successors, (9669), 9214 states have internal predecessors, (9669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9215 states to 9215 states and 9669 transitions. [2023-12-15 19:05:56,998 INFO L78 Accepts]: Start accepts. Automaton has 9215 states and 9669 transitions. Word has length 527 [2023-12-15 19:05:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:56,998 INFO L495 AbstractCegarLoop]: Abstraction has 9215 states and 9669 transitions. [2023-12-15 19:05:56,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.75) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 9215 states and 9669 transitions. [2023-12-15 19:05:57,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2023-12-15 19:05:57,005 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:57,005 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:57,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 19:05:57,005 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:57,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:57,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1490232739, now seen corresponding path program 1 times [2023-12-15 19:05:57,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:57,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728089695] [2023-12-15 19:05:57,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:57,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-12-15 19:05:57,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:57,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728089695] [2023-12-15 19:05:57,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728089695] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:57,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:05:57,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:05:57,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935780049] [2023-12-15 19:05:57,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:57,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:57,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:57,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:57,228 INFO L87 Difference]: Start difference. First operand 9215 states and 9669 transitions. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:05:58,001 INFO L93 Difference]: Finished difference Result 21061 states and 22143 transitions. [2023-12-15 19:05:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:05:58,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 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 547 [2023-12-15 19:05:58,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:05:58,016 INFO L225 Difference]: With dead ends: 21061 [2023-12-15 19:05:58,017 INFO L226 Difference]: Without dead ends: 12176 [2023-12-15 19:05:58,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:05:58,024 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 189 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:05:58,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 36 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:05:58,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12176 states. [2023-12-15 19:05:58,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12176 to 11518. [2023-12-15 19:05:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11518 states, 11517 states have (on average 1.046800382043935) internal successors, (12056), 11517 states have internal predecessors, (12056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11518 states to 11518 states and 12056 transitions. [2023-12-15 19:05:58,134 INFO L78 Accepts]: Start accepts. Automaton has 11518 states and 12056 transitions. Word has length 547 [2023-12-15 19:05:58,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:05:58,135 INFO L495 AbstractCegarLoop]: Abstraction has 11518 states and 12056 transitions. [2023-12-15 19:05:58,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:05:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 11518 states and 12056 transitions. [2023-12-15 19:05:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-15 19:05:58,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:05:58,145 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:05:58,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 19:05:58,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:05:58,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:05:58,145 INFO L85 PathProgramCache]: Analyzing trace with hash -527319900, now seen corresponding path program 1 times [2023-12-15 19:05:58,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:05:58,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649885869] [2023-12-15 19:05:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:58,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:05:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 412 proven. 156 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-15 19:05:59,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:05:59,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649885869] [2023-12-15 19:05:59,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649885869] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:05:59,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003819522] [2023-12-15 19:05:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:05:59,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:05:59,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:05:59,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:05:59,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 19:05:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:05:59,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:05:59,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:05:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-15 19:05:59,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:05:59,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003819522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:05:59,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:05:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-15 19:05:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641193001] [2023-12-15 19:05:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:05:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:05:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:05:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:05:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:05:59,514 INFO L87 Difference]: Start difference. First operand 11518 states and 12056 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:00,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:00,252 INFO L93 Difference]: Finished difference Result 25667 states and 26945 transitions. [2023-12-15 19:06:00,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:00,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 601 [2023-12-15 19:06:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:00,274 INFO L225 Difference]: With dead ends: 25667 [2023-12-15 19:06:00,275 INFO L226 Difference]: Without dead ends: 14479 [2023-12-15 19:06:00,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:06:00,286 INFO L413 NwaCegarLoop]: 434 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:00,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 439 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14479 states. [2023-12-15 19:06:00,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14479 to 13821. [2023-12-15 19:06:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13821 states, 13820 states have (on average 1.045151953690304) internal successors, (14444), 13820 states have internal predecessors, (14444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13821 states to 13821 states and 14444 transitions. [2023-12-15 19:06:00,431 INFO L78 Accepts]: Start accepts. Automaton has 13821 states and 14444 transitions. Word has length 601 [2023-12-15 19:06:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:00,432 INFO L495 AbstractCegarLoop]: Abstraction has 13821 states and 14444 transitions. [2023-12-15 19:06:00,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 13821 states and 14444 transitions. [2023-12-15 19:06:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2023-12-15 19:06:00,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:00,439 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-15 19:06:00,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-15 19:06:00,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-15 19:06:00,645 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:00,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:00,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1914747960, now seen corresponding path program 1 times [2023-12-15 19:06:00,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:00,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433615183] [2023-12-15 19:06:00,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:00,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-12-15 19:06:01,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:01,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433615183] [2023-12-15 19:06:01,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433615183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:01,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:01,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:01,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734213488] [2023-12-15 19:06:01,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:01,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:01,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:01,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:01,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:01,048 INFO L87 Difference]: Start difference. First operand 13821 states and 14444 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:01,739 INFO L93 Difference]: Finished difference Result 27312 states and 28556 transitions. [2023-12-15 19:06:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:01,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 662 [2023-12-15 19:06:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:01,757 INFO L225 Difference]: With dead ends: 27312 [2023-12-15 19:06:01,757 INFO L226 Difference]: Without dead ends: 13821 [2023-12-15 19:06:01,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:01,770 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 297 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:01,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 424 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:01,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13821 states. [2023-12-15 19:06:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13821 to 12834. [2023-12-15 19:06:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12834 states, 12833 states have (on average 1.0424686355489754) internal successors, (13378), 12833 states have internal predecessors, (13378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12834 states to 12834 states and 13378 transitions. [2023-12-15 19:06:01,885 INFO L78 Accepts]: Start accepts. Automaton has 12834 states and 13378 transitions. Word has length 662 [2023-12-15 19:06:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:01,885 INFO L495 AbstractCegarLoop]: Abstraction has 12834 states and 13378 transitions. [2023-12-15 19:06:01,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12834 states and 13378 transitions. [2023-12-15 19:06:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2023-12-15 19:06:01,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:01,897 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:01,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 19:06:01,897 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:01,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1161171519, now seen corresponding path program 1 times [2023-12-15 19:06:01,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:01,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358280511] [2023-12-15 19:06:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2023-12-15 19:06:02,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358280511] [2023-12-15 19:06:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358280511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:02,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:02,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:02,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167495436] [2023-12-15 19:06:02,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:02,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:02,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:02,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:02,358 INFO L87 Difference]: Start difference. First operand 12834 states and 13378 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:03,052 INFO L93 Difference]: Finished difference Result 30273 states and 31630 transitions. [2023-12-15 19:06:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 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 860 [2023-12-15 19:06:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:03,074 INFO L225 Difference]: With dead ends: 30273 [2023-12-15 19:06:03,074 INFO L226 Difference]: Without dead ends: 16124 [2023-12-15 19:06:03,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:03,084 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 289 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:03,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 427 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:03,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16124 states. [2023-12-15 19:06:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16124 to 15795. [2023-12-15 19:06:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15795 states, 15794 states have (on average 1.0334304166139041) internal successors, (16322), 15794 states have internal predecessors, (16322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15795 states to 15795 states and 16322 transitions. [2023-12-15 19:06:03,350 INFO L78 Accepts]: Start accepts. Automaton has 15795 states and 16322 transitions. Word has length 860 [2023-12-15 19:06:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:03,351 INFO L495 AbstractCegarLoop]: Abstraction has 15795 states and 16322 transitions. [2023-12-15 19:06:03,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 15795 states and 16322 transitions. [2023-12-15 19:06:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2023-12-15 19:06:03,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:03,370 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:03,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 19:06:03,370 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:03,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1722448950, now seen corresponding path program 1 times [2023-12-15 19:06:03,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:03,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274637627] [2023-12-15 19:06:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 690 proven. 799 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-12-15 19:06:04,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:04,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274637627] [2023-12-15 19:06:04,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274637627] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:06:04,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449145916] [2023-12-15 19:06:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:06:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:06:04,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:06:04,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 19:06:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:04,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:06:04,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:06:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 1057 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-12-15 19:06:05,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:06:05,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449145916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:05,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:06:05,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-15 19:06:05,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497035748] [2023-12-15 19:06:05,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:05,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:05,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:05,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:05,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:05,211 INFO L87 Difference]: Start difference. First operand 15795 states and 16322 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:05,759 INFO L93 Difference]: Finished difference Result 31260 states and 32312 transitions. [2023-12-15 19:06:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:05,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 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 1076 [2023-12-15 19:06:05,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:05,805 INFO L225 Difference]: With dead ends: 31260 [2023-12-15 19:06:05,805 INFO L226 Difference]: Without dead ends: 15795 [2023-12-15 19:06:05,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1080 GetRequests, 1076 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:05,816 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:05,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 374 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:06:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15795 states. [2023-12-15 19:06:05,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15795 to 15795. [2023-12-15 19:06:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15795 states, 15794 states have (on average 1.0291249841712042) internal successors, (16254), 15794 states have internal predecessors, (16254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15795 states to 15795 states and 16254 transitions. [2023-12-15 19:06:06,012 INFO L78 Accepts]: Start accepts. Automaton has 15795 states and 16254 transitions. Word has length 1076 [2023-12-15 19:06:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:06,013 INFO L495 AbstractCegarLoop]: Abstraction has 15795 states and 16254 transitions. [2023-12-15 19:06:06,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15795 states and 16254 transitions. [2023-12-15 19:06:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1134 [2023-12-15 19:06:06,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:06,030 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:06,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 19:06:06,236 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,SelfDestructingSolverStorable14 [2023-12-15 19:06:06,236 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:06,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:06,237 INFO L85 PathProgramCache]: Analyzing trace with hash 478826713, now seen corresponding path program 1 times [2023-12-15 19:06:06,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:06,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061462893] [2023-12-15 19:06:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 1790 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2023-12-15 19:06:06,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:06,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061462893] [2023-12-15 19:06:06,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061462893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:06,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:06,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:06,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342973094] [2023-12-15 19:06:06,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:06,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:06,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:06,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:06,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:06,750 INFO L87 Difference]: Start difference. First operand 15795 states and 16254 transitions. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:07,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:07,432 INFO L93 Difference]: Finished difference Result 31260 states and 32176 transitions. [2023-12-15 19:06:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:07,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 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 1133 [2023-12-15 19:06:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:07,447 INFO L225 Difference]: With dead ends: 31260 [2023-12-15 19:06:07,447 INFO L226 Difference]: Without dead ends: 15795 [2023-12-15 19:06:07,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:07,476 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 220 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:07,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 426 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 19:06:07,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15795 states. [2023-12-15 19:06:07,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15795 to 14479. [2023-12-15 19:06:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14479 states, 14478 states have (on average 1.0232766956761983) internal successors, (14815), 14478 states have internal predecessors, (14815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14479 states to 14479 states and 14815 transitions. [2023-12-15 19:06:07,684 INFO L78 Accepts]: Start accepts. Automaton has 14479 states and 14815 transitions. Word has length 1133 [2023-12-15 19:06:07,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:07,684 INFO L495 AbstractCegarLoop]: Abstraction has 14479 states and 14815 transitions. [2023-12-15 19:06:07,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 14479 states and 14815 transitions. [2023-12-15 19:06:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1135 [2023-12-15 19:06:07,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:07,717 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:07,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 19:06:07,718 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:07,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:07,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1413327840, now seen corresponding path program 1 times [2023-12-15 19:06:07,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:07,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324956422] [2023-12-15 19:06:07,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:07,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 740 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2023-12-15 19:06:08,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:08,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324956422] [2023-12-15 19:06:08,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324956422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:08,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:08,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:08,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047350938] [2023-12-15 19:06:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:08,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:08,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:08,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:08,574 INFO L87 Difference]: Start difference. First operand 14479 states and 14815 transitions. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:09,232 INFO L93 Difference]: Finished difference Result 31918 states and 32698 transitions. [2023-12-15 19:06:09,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:09,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 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 1134 [2023-12-15 19:06:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:09,246 INFO L225 Difference]: With dead ends: 31918 [2023-12-15 19:06:09,246 INFO L226 Difference]: Without dead ends: 15466 [2023-12-15 19:06:09,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:09,258 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 274 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:09,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 408 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:09,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15466 states. [2023-12-15 19:06:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15466 to 12834. [2023-12-15 19:06:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12834 states, 12833 states have (on average 1.020182342398504) internal successors, (13092), 12833 states have internal predecessors, (13092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12834 states to 12834 states and 13092 transitions. [2023-12-15 19:06:09,388 INFO L78 Accepts]: Start accepts. Automaton has 12834 states and 13092 transitions. Word has length 1134 [2023-12-15 19:06:09,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:09,388 INFO L495 AbstractCegarLoop]: Abstraction has 12834 states and 13092 transitions. [2023-12-15 19:06:09,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 12834 states and 13092 transitions. [2023-12-15 19:06:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2023-12-15 19:06:09,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:09,413 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:09,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 19:06:09,413 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:09,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1849628761, now seen corresponding path program 1 times [2023-12-15 19:06:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:09,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395050558] [2023-12-15 19:06:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:09,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 2503 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2023-12-15 19:06:10,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:10,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395050558] [2023-12-15 19:06:10,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395050558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:10,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:10,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:10,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70425272] [2023-12-15 19:06:10,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:10,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:10,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:10,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:10,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:10,495 INFO L87 Difference]: Start difference. First operand 12834 states and 13092 transitions. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:11,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:11,115 INFO L93 Difference]: Finished difference Result 25996 states and 26518 transitions. [2023-12-15 19:06:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:11,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 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 1389 [2023-12-15 19:06:11,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:11,128 INFO L225 Difference]: With dead ends: 25996 [2023-12-15 19:06:11,128 INFO L226 Difference]: Without dead ends: 13492 [2023-12-15 19:06:11,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:11,137 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 224 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:11,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 427 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:11,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13492 states. [2023-12-15 19:06:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13492 to 13492. [2023-12-15 19:06:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 13491 states have (on average 1.0194944778000148) internal successors, (13754), 13491 states have internal predecessors, (13754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 13754 transitions. [2023-12-15 19:06:11,242 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 13754 transitions. Word has length 1389 [2023-12-15 19:06:11,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:11,243 INFO L495 AbstractCegarLoop]: Abstraction has 13492 states and 13754 transitions. [2023-12-15 19:06:11,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 13754 transitions. [2023-12-15 19:06:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2023-12-15 19:06:11,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:11,264 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:11,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 19:06:11,264 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:11,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash 203494091, now seen corresponding path program 1 times [2023-12-15 19:06:11,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:11,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123600608] [2023-12-15 19:06:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3823 backedges. 2719 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-12-15 19:06:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123600608] [2023-12-15 19:06:12,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123600608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:12,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:12,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:06:12,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625723806] [2023-12-15 19:06:12,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:12,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 19:06:12,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:12,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 19:06:12,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:06:12,410 INFO L87 Difference]: Start difference. First operand 13492 states and 13754 transitions. Second operand has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:13,152 INFO L93 Difference]: Finished difference Result 26689 states and 27211 transitions. [2023-12-15 19:06:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 19:06:13,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 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 1427 [2023-12-15 19:06:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:13,164 INFO L225 Difference]: With dead ends: 26689 [2023-12-15 19:06:13,164 INFO L226 Difference]: Without dead ends: 13527 [2023-12-15 19:06:13,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:06:13,172 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 452 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:13,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 551 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13527 states. [2023-12-15 19:06:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13527 to 13492. [2023-12-15 19:06:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 13491 states have (on average 1.0191979838410792) internal successors, (13750), 13491 states have internal predecessors, (13750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 13750 transitions. [2023-12-15 19:06:13,301 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 13750 transitions. Word has length 1427 [2023-12-15 19:06:13,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:13,302 INFO L495 AbstractCegarLoop]: Abstraction has 13492 states and 13750 transitions. [2023-12-15 19:06:13,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.16666666666667) internal successors, (733), 6 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 13750 transitions. [2023-12-15 19:06:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1442 [2023-12-15 19:06:13,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:13,336 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:13,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 19:06:13,336 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:13,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:13,337 INFO L85 PathProgramCache]: Analyzing trace with hash -460050444, now seen corresponding path program 1 times [2023-12-15 19:06:13,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:13,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874859323] [2023-12-15 19:06:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:13,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3689 backedges. 2622 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2023-12-15 19:06:14,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:14,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874859323] [2023-12-15 19:06:14,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874859323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:14,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:14,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:06:14,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533758457] [2023-12-15 19:06:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:14,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:06:14,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:06:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:06:14,669 INFO L87 Difference]: Start difference. First operand 13492 states and 13750 transitions. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:15,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:15,470 INFO L93 Difference]: Finished difference Result 26664 states and 27178 transitions. [2023-12-15 19:06:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:06:15,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 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 1441 [2023-12-15 19:06:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:15,482 INFO L225 Difference]: With dead ends: 26664 [2023-12-15 19:06:15,482 INFO L226 Difference]: Without dead ends: 13502 [2023-12-15 19:06:15,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:06:15,490 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 262 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:15,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 431 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 19:06:15,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13502 states. [2023-12-15 19:06:15,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13502 to 13492. [2023-12-15 19:06:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 13491 states have (on average 1.0189014898821436) internal successors, (13746), 13491 states have internal predecessors, (13746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 13746 transitions. [2023-12-15 19:06:15,593 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 13746 transitions. Word has length 1441 [2023-12-15 19:06:15,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:15,594 INFO L495 AbstractCegarLoop]: Abstraction has 13492 states and 13746 transitions. [2023-12-15 19:06:15,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 13746 transitions. [2023-12-15 19:06:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1444 [2023-12-15 19:06:15,612 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:06:15,612 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:15,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 19:06:15,612 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:06:15,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:06:15,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1044815156, now seen corresponding path program 1 times [2023-12-15 19:06:15,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:06:15,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760306739] [2023-12-15 19:06:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:06:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:06:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:06:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4057 backedges. 1281 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2023-12-15 19:06:16,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:06:16,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760306739] [2023-12-15 19:06:16,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760306739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:06:16,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:06:16,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:06:16,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651722667] [2023-12-15 19:06:16,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:06:16,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:06:16,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:06:16,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:06:16,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:16,431 INFO L87 Difference]: Start difference. First operand 13492 states and 13746 transitions. Second operand has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:06:17,102 INFO L93 Difference]: Finished difference Result 26981 states and 27493 transitions. [2023-12-15 19:06:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:06:17,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 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 1443 [2023-12-15 19:06:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:06:17,104 INFO L225 Difference]: With dead ends: 26981 [2023-12-15 19:06:17,104 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 19:06:17,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:06:17,111 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 168 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 19:06:17,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 410 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 19:06:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 19:06:17,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 19:06:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 19:06:17,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1443 [2023-12-15 19:06:17,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:06:17,112 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 19:06:17,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 19:06:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 19:06:17,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 19:06:17,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 19:06:17,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 19:06:17,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 19:06:18,102 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,103 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,104 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,104 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,104 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,104 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,104 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,105 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,106 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,107 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,108 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,109 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L1777(lines 1777 1793) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,110 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,111 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,112 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse9 (+ 87 ~a18~0))) (let ((.cse8 (<= ~a16~0 11)) (.cse7 (<= (+ ~a18~0 156) 0)) (.cse1 (= ~a12~0 6)) (.cse14 (= 7 ~a12~0)) (.cse0 (= ~a16~0 10)) (.cse13 (= ~a15~0 4)) (.cse5 (<= ~a15~0 3)) (.cse11 (<= 0 .cse9)) (.cse6 (= ~a12~0 8)) (.cse2 (= ~a16~0 8)) (.cse10 (<= 9 ~a12~0)) (.cse15 (= ~a16~0 12)) (.cse3 (= 5 ~a12~0)) (.cse4 (= ~a15~0 3)) (.cse16 (= ~a16~0 9)) (.cse12 (<= 4 ~a15~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8) (and (= ~a16~0 11) .cse3 (= .cse9 0) .cse4) (and .cse3 .cse8 .cse4 (<= 83 ~a18~0)) (and .cse5 .cse10 .cse8) (and .cse5 .cse1 (<= .cse9 0) .cse8) (and .cse11 .cse5 .cse6 .cse8) (and (<= ~a12~0 5) .cse0 .cse12) (and .cse2 .cse13 .cse14) (and .cse5 .cse8 .cse14) (and .cse2 .cse1) (and .cse2 .cse6 .cse7) (and .cse11 .cse5 .cse1 .cse15) (and .cse11 .cse0 .cse3 .cse4) (and .cse16 .cse5 .cse6) (and .cse5 .cse15 .cse10) (and .cse5 .cse15 .cse14) (and .cse0 .cse5 .cse6) (and .cse16 .cse3 .cse4) (and .cse2 .cse13 .cse3) (and .cse5 .cse6 .cse15) (and .cse11 .cse2 .cse6) (and .cse2 .cse10) (and .cse15 .cse3 .cse4) (and .cse16 .cse12)))) [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,113 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,114 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,115 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,116 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1504 1775) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,117 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,118 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,119 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,120 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2023-12-15 19:06:18,121 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-12-15 19:06:18,124 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:06:18,125 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 19:06:18,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 07:06:18 BoogieIcfgContainer [2023-12-15 19:06:18,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 19:06:18,135 INFO L158 Benchmark]: Toolchain (without parser) took 37932.21ms. Allocated memory was 283.1MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 233.2MB in the beginning and 927.8MB in the end (delta: -694.6MB). Peak memory consumption was 688.4MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 125.1MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.93ms. Allocated memory is still 283.1MB. Free memory was 232.6MB in the beginning and 170.2MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.55ms. Allocated memory is still 283.1MB. Free memory was 170.2MB in the beginning and 222.7MB in the end (delta: -52.4MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: Boogie Preprocessor took 155.82ms. Allocated memory is still 283.1MB. Free memory was 222.7MB in the beginning and 188.1MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: RCFGBuilder took 1834.87ms. Allocated memory was 283.1MB in the beginning and 339.7MB in the end (delta: 56.6MB). Free memory was 188.1MB in the beginning and 213.4MB in the end (delta: -25.3MB). Peak memory consumption was 97.3MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,136 INFO L158 Benchmark]: TraceAbstraction took 35063.18ms. Allocated memory was 339.7MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 212.9MB in the beginning and 927.8MB in the end (delta: -714.9MB). Peak memory consumption was 610.5MB. Max. memory is 8.0GB. [2023-12-15 19:06:18,137 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 176.2MB. Free memory was 125.3MB in the beginning and 125.1MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 690.93ms. Allocated memory is still 283.1MB. Free memory was 232.6MB in the beginning and 170.2MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 180.55ms. Allocated memory is still 283.1MB. Free memory was 170.2MB in the beginning and 222.7MB in the end (delta: -52.4MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 155.82ms. Allocated memory is still 283.1MB. Free memory was 222.7MB in the beginning and 188.1MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1834.87ms. Allocated memory was 283.1MB in the beginning and 339.7MB in the end (delta: 56.6MB). Free memory was 188.1MB in the beginning and 213.4MB in the end (delta: -25.3MB). Peak memory consumption was 97.3MB. Max. memory is 8.0GB. * TraceAbstraction took 35063.18ms. Allocated memory was 339.7MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 212.9MB in the beginning and 927.8MB in the end (delta: -714.9MB). Peak memory consumption was 610.5MB. 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: 167]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 334 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 21, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4964 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4964 mSDsluCounter, 7079 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 348 mSDsCounter, 2703 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19543 IncrementalHoareTripleChecker+Invalid, 22246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2703 mSolverCounterUnsat, 6731 mSDtfsCounter, 19543 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1749 GetRequests, 1709 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15795occurred in iteration=14, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 8613 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 60 NumberOfFragments, 286 HoareAnnotationTreeSize, 1 FormulaSimplifications, 627 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 1 FormulaSimplificationsInter, 1090 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 15960 NumberOfCodeBlocks, 15960 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 15937 ConstructedInterpolants, 0 QuantifiedInterpolants, 38441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1960 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 28143/29098 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a16 == 10) && (a12 == 6)) || (((a16 == 8) && (5 == a12)) && (a15 == 3))) || ((((a15 <= 3) && (a12 == 8)) && ((a18 + 156) <= 0)) && (a16 <= 11))) || ((((a16 == 11) && (5 == a12)) && ((87 + a18) == 0)) && (a15 == 3))) || ((((5 == a12) && (a16 <= 11)) && (a15 == 3)) && (83 <= a18))) || (((a15 <= 3) && (9 <= a12)) && (a16 <= 11))) || ((((a15 <= 3) && (a12 == 6)) && ((87 + a18) <= 0)) && (a16 <= 11))) || ((((0 <= (87 + a18)) && (a15 <= 3)) && (a12 == 8)) && (a16 <= 11))) || (((a12 <= 5) && (a16 == 10)) && (4 <= a15))) || (((a16 == 8) && (a15 == 4)) && (7 == a12))) || (((a15 <= 3) && (a16 <= 11)) && (7 == a12))) || ((a16 == 8) && (a12 == 6))) || (((a16 == 8) && (a12 == 8)) && ((a18 + 156) <= 0))) || ((((0 <= (87 + a18)) && (a15 <= 3)) && (a12 == 6)) && (a16 == 12))) || ((((0 <= (87 + a18)) && (a16 == 10)) && (5 == a12)) && (a15 == 3))) || (((a16 == 9) && (a15 <= 3)) && (a12 == 8))) || (((a15 <= 3) && (a16 == 12)) && (9 <= a12))) || (((a15 <= 3) && (a16 == 12)) && (7 == a12))) || (((a16 == 10) && (a15 <= 3)) && (a12 == 8))) || (((a16 == 9) && (5 == a12)) && (a15 == 3))) || (((a16 == 8) && (a15 == 4)) && (5 == a12))) || (((a15 <= 3) && (a12 == 8)) && (a16 == 12))) || (((0 <= (87 + a18)) && (a16 == 8)) && (a12 == 8))) || ((a16 == 8) && (9 <= a12))) || (((a16 == 12) && (5 == a12)) && (a15 == 3))) || ((a16 == 9) && (4 <= a15))) RESULT: Ultimate proved your program to be correct! [2023-12-15 19:06:18,155 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...