/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:50:32,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:50:32,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 18:50:32,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:50:32,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:50:32,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:50:32,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:50:32,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:50:32,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:50:32,838 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:50:32,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:50:32,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:50:32,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:50:32,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:50:32,841 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:50:32,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:50:32,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:50:32,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 18:50:32,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:50:32,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:50:32,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:50:32,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:50:32,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:50:32,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:50:32,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:50:32,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:50:32,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:50:32,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:50:32,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:50:32,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:50:32,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:50:32,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:50:32,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:50:32,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 18:50:32,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 18:50:32,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:50:32,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:50:32,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:50:32,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:50:32,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:50:32,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 18:50:33,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:50:33,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:50:33,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:50:33,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:50:33,128 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:50:33,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-12-16 18:50:34,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:50:34,534 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:50:34,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-12-16 18:50:34,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc17c769/8f1ed5128f9a4d6f9c14efd18738d430/FLAGaca4fe856 [2023-12-16 18:50:34,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc17c769/8f1ed5128f9a4d6f9c14efd18738d430 [2023-12-16 18:50:34,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:50:34,580 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:50:34,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:50:34,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:50:34,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:50:34,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:50:34" (1/1) ... [2023-12-16 18:50:34,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550838c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:34, skipping insertion in model container [2023-12-16 18:50:34,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:50:34" (1/1) ... [2023-12-16 18:50:34,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:50:34,813 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-12-16 18:50:35,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:50:35,061 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:50:35,072 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-12-16 18:50:35,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:50:35,232 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:50:35,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35 WrapperNode [2023-12-16 18:50:35,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:50:35,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:50:35,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:50:35,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:50:35,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,690 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3642 [2023-12-16 18:50:35,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:50:35,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:50:35,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:50:35,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:50:35,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,943 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]. [2023-12-16 18:50:35,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:35,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:50:36,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:50:36,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:50:36,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:50:36,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (1/1) ... [2023-12-16 18:50:36,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:50:36,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:50:36,273 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) [2023-12-16 18:50:36,297 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 [2023-12-16 18:50:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:50:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 18:50:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:50:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:50:36,600 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:50:36,603 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:50:38,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:50:39,011 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:50:39,011 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:50:39,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:50:39 BoogieIcfgContainer [2023-12-16 18:50:39,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:50:39,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:50:39,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:50:39,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:50:39,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:50:34" (1/3) ... [2023-12-16 18:50:39,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac818fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:50:39, skipping insertion in model container [2023-12-16 18:50:39,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:35" (2/3) ... [2023-12-16 18:50:39,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac818fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:50:39, skipping insertion in model container [2023-12-16 18:50:39,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:50:39" (3/3) ... [2023-12-16 18:50:39,019 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-12-16 18:50:39,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:50:39,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:50:39,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:50:39,098 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;@4dfea0ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:50:39,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:50:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 856 states, 854 states have (on average 1.6721311475409837) internal successors, (1428), 855 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-16 18:50:39,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:39,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:39,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:39,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 563455208, now seen corresponding path program 1 times [2023-12-16 18:50:39,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:39,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279119015] [2023-12-16 18:50:39,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:39,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:39,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279119015] [2023-12-16 18:50:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279119015] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:39,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:39,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:39,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222631913] [2023-12-16 18:50:39,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:39,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:39,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:39,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:39,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:39,804 INFO L87 Difference]: Start difference. First operand has 856 states, 854 states have (on average 1.6721311475409837) internal successors, (1428), 855 states have internal predecessors, (1428), 0 states have call successors, (0), 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 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:39,939 INFO L93 Difference]: Finished difference Result 1663 states and 2777 transitions. [2023-12-16 18:50:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:39,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2023-12-16 18:50:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:39,958 INFO L225 Difference]: With dead ends: 1663 [2023-12-16 18:50:39,958 INFO L226 Difference]: Without dead ends: 856 [2023-12-16 18:50:39,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:39,966 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 1 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:39,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4258 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2023-12-16 18:50:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2023-12-16 18:50:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 855 states have (on average 1.6678362573099415) internal successors, (1426), 855 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1426 transitions. [2023-12-16 18:50:40,031 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1426 transitions. Word has length 58 [2023-12-16 18:50:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:40,032 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1426 transitions. [2023-12-16 18:50:40,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1426 transitions. [2023-12-16 18:50:40,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-16 18:50:40,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:40,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:40,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 18:50:40,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:40,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:40,035 INFO L85 PathProgramCache]: Analyzing trace with hash 288967536, now seen corresponding path program 1 times [2023-12-16 18:50:40,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:40,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290613443] [2023-12-16 18:50:40,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:40,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:40,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:40,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290613443] [2023-12-16 18:50:40,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290613443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:40,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:40,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:40,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976674167] [2023-12-16 18:50:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:40,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:40,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:40,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:40,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,302 INFO L87 Difference]: Start difference. First operand 856 states and 1426 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:40,350 INFO L93 Difference]: Finished difference Result 1666 states and 2775 transitions. [2023-12-16 18:50:40,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:40,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2023-12-16 18:50:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:40,354 INFO L225 Difference]: With dead ends: 1666 [2023-12-16 18:50:40,354 INFO L226 Difference]: Without dead ends: 859 [2023-12-16 18:50:40,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,357 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 1 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:40,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4256 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:40,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2023-12-16 18:50:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 858. [2023-12-16 18:50:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 857 states have (on average 1.6662777129521587) internal successors, (1428), 857 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1428 transitions. [2023-12-16 18:50:40,380 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1428 transitions. Word has length 59 [2023-12-16 18:50:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:40,380 INFO L495 AbstractCegarLoop]: Abstraction has 858 states and 1428 transitions. [2023-12-16 18:50:40,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1428 transitions. [2023-12-16 18:50:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-16 18:50:40,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:40,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:40,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 18:50:40,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:40,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1932634244, now seen corresponding path program 1 times [2023-12-16 18:50:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:40,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877605133] [2023-12-16 18:50:40,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:40,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:40,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877605133] [2023-12-16 18:50:40,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877605133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:40,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:40,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:40,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985427074] [2023-12-16 18:50:40,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:40,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:40,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:40,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,551 INFO L87 Difference]: Start difference. First operand 858 states and 1428 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:40,618 INFO L93 Difference]: Finished difference Result 2466 states and 4107 transitions. [2023-12-16 18:50:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:40,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2023-12-16 18:50:40,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:40,627 INFO L225 Difference]: With dead ends: 2466 [2023-12-16 18:50:40,628 INFO L226 Difference]: Without dead ends: 1657 [2023-12-16 18:50:40,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,632 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1329 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:40,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 4334 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:40,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2023-12-16 18:50:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 860. [2023-12-16 18:50:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 859 states have (on average 1.6647264260768335) internal successors, (1430), 859 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1430 transitions. [2023-12-16 18:50:40,664 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1430 transitions. Word has length 60 [2023-12-16 18:50:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:40,665 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1430 transitions. [2023-12-16 18:50:40,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1430 transitions. [2023-12-16 18:50:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-16 18:50:40,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:40,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:40,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 18:50:40,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:40,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:40,667 INFO L85 PathProgramCache]: Analyzing trace with hash -328586792, now seen corresponding path program 1 times [2023-12-16 18:50:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:40,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372209546] [2023-12-16 18:50:40,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:40,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:40,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372209546] [2023-12-16 18:50:40,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372209546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:40,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:40,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835599363] [2023-12-16 18:50:40,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:40,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:40,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:40,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:40,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,849 INFO L87 Difference]: Start difference. First operand 860 states and 1430 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:40,919 INFO L93 Difference]: Finished difference Result 2472 states and 4113 transitions. [2023-12-16 18:50:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:40,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2023-12-16 18:50:40,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:40,927 INFO L225 Difference]: With dead ends: 2472 [2023-12-16 18:50:40,927 INFO L226 Difference]: Without dead ends: 1661 [2023-12-16 18:50:40,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:40,932 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 1326 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 4324 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:40,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 4324 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2023-12-16 18:50:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 863. [2023-12-16 18:50:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 862 states have (on average 1.6647331786542923) internal successors, (1435), 862 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1435 transitions. [2023-12-16 18:50:40,980 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1435 transitions. Word has length 61 [2023-12-16 18:50:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:40,981 INFO L495 AbstractCegarLoop]: Abstraction has 863 states and 1435 transitions. [2023-12-16 18:50:40,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1435 transitions. [2023-12-16 18:50:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 18:50:40,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:40,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:40,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 18:50:40,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:40,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:40,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1795058786, now seen corresponding path program 1 times [2023-12-16 18:50:40,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:40,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096029378] [2023-12-16 18:50:40,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:40,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:41,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:41,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096029378] [2023-12-16 18:50:41,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096029378] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:41,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:41,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:41,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375367455] [2023-12-16 18:50:41,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:41,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:50:41,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:41,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:50:41,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:50:41,278 INFO L87 Difference]: Start difference. First operand 863 states and 1435 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:42,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:42,219 INFO L93 Difference]: Finished difference Result 2488 states and 4138 transitions. [2023-12-16 18:50:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:50:42,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-12-16 18:50:42,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:42,226 INFO L225 Difference]: With dead ends: 2488 [2023-12-16 18:50:42,226 INFO L226 Difference]: Without dead ends: 1674 [2023-12-16 18:50:42,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 18:50:42,228 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 4060 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4060 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:42,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4060 Valid, 3378 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 18:50:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2023-12-16 18:50:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 887. [2023-12-16 18:50:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.662528216704289) internal successors, (1473), 886 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1473 transitions. [2023-12-16 18:50:42,250 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1473 transitions. Word has length 62 [2023-12-16 18:50:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:42,250 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1473 transitions. [2023-12-16 18:50:42,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1473 transitions. [2023-12-16 18:50:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 18:50:42,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:42,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:42,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 18:50:42,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:42,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1913102496, now seen corresponding path program 1 times [2023-12-16 18:50:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:42,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59335509] [2023-12-16 18:50:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:42,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:42,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59335509] [2023-12-16 18:50:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59335509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:42,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:42,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:50:42,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3393585] [2023-12-16 18:50:42,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:42,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:50:42,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:42,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:50:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:50:42,580 INFO L87 Difference]: Start difference. First operand 887 states and 1473 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:43,647 INFO L93 Difference]: Finished difference Result 2520 states and 4186 transitions. [2023-12-16 18:50:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 18:50:43,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-12-16 18:50:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:43,654 INFO L225 Difference]: With dead ends: 2520 [2023-12-16 18:50:43,654 INFO L226 Difference]: Without dead ends: 1706 [2023-12-16 18:50:43,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:50:43,656 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 4022 mSDsluCounter, 3366 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:43,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4022 Valid, 4495 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 18:50:43,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2023-12-16 18:50:43,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 899. [2023-12-16 18:50:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 898 states have (on average 1.6559020044543429) internal successors, (1487), 898 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1487 transitions. [2023-12-16 18:50:43,675 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1487 transitions. Word has length 62 [2023-12-16 18:50:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:43,676 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1487 transitions. [2023-12-16 18:50:43,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1487 transitions. [2023-12-16 18:50:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 18:50:43,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:43,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:43,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 18:50:43,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:43,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:43,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1520075486, now seen corresponding path program 1 times [2023-12-16 18:50:43,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:43,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077533646] [2023-12-16 18:50:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:44,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:44,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077533646] [2023-12-16 18:50:44,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077533646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:44,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:44,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:50:44,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947580140] [2023-12-16 18:50:44,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:44,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:50:44,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:44,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:50:44,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:50:44,095 INFO L87 Difference]: Start difference. First operand 899 states and 1487 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:45,348 INFO L93 Difference]: Finished difference Result 1727 states and 2859 transitions. [2023-12-16 18:50:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 18:50:45,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-12-16 18:50:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:45,352 INFO L225 Difference]: With dead ends: 1727 [2023-12-16 18:50:45,352 INFO L226 Difference]: Without dead ends: 904 [2023-12-16 18:50:45,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-12-16 18:50:45,354 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 2670 mSDsluCounter, 4640 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2670 SdHoareTripleChecker+Valid, 5850 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:45,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2670 Valid, 5850 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 18:50:45,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2023-12-16 18:50:45,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 902. [2023-12-16 18:50:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 901 states have (on average 1.6548279689234184) internal successors, (1491), 901 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1491 transitions. [2023-12-16 18:50:45,370 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1491 transitions. Word has length 62 [2023-12-16 18:50:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:45,370 INFO L495 AbstractCegarLoop]: Abstraction has 902 states and 1491 transitions. [2023-12-16 18:50:45,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1491 transitions. [2023-12-16 18:50:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 18:50:45,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:45,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:45,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 18:50:45,371 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:45,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:45,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1520135068, now seen corresponding path program 1 times [2023-12-16 18:50:45,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:45,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022738575] [2023-12-16 18:50:45,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:45,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:50:45,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022738575] [2023-12-16 18:50:45,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022738575] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:45,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:45,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:50:45,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340722160] [2023-12-16 18:50:45,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:45,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:50:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:45,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:50:45,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:50:45,726 INFO L87 Difference]: Start difference. First operand 902 states and 1491 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:46,657 INFO L93 Difference]: Finished difference Result 1730 states and 2862 transitions. [2023-12-16 18:50:46,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 18:50:46,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-12-16 18:50:46,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:46,661 INFO L225 Difference]: With dead ends: 1730 [2023-12-16 18:50:46,661 INFO L226 Difference]: Without dead ends: 903 [2023-12-16 18:50:46,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 18:50:46,663 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 2701 mSDsluCounter, 3463 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:46,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 4602 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 18:50:46,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2023-12-16 18:50:46,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 899. [2023-12-16 18:50:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 898 states have (on average 1.6547884187082404) internal successors, (1486), 898 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1486 transitions. [2023-12-16 18:50:46,680 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1486 transitions. Word has length 62 [2023-12-16 18:50:46,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:46,680 INFO L495 AbstractCegarLoop]: Abstraction has 899 states and 1486 transitions. [2023-12-16 18:50:46,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:50:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1486 transitions. [2023-12-16 18:50:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 18:50:46,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:46,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:46,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 18:50:46,681 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:46,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash -254931876, now seen corresponding path program 1 times [2023-12-16 18:50:46,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:46,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124966671] [2023-12-16 18:50:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 18:50:46,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 18:50:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 18:50:46,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 18:50:46,773 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 18:50:46,774 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:50:46,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 18:50:46,779 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:50:46,782 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:50:46,820 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 18:50:46,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:50:46 BoogieIcfgContainer [2023-12-16 18:50:46,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:50:46,838 INFO L158 Benchmark]: Toolchain (without parser) took 12258.14ms. Allocated memory was 183.5MB in the beginning and 503.3MB in the end (delta: 319.8MB). Free memory was 135.9MB in the beginning and 305.5MB in the end (delta: -169.7MB). Peak memory consumption was 150.6MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,838 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:50:46,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.43ms. Allocated memory is still 183.5MB. Free memory was 135.9MB in the beginning and 91.2MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 457.46ms. Allocated memory was 183.5MB in the beginning and 249.6MB in the end (delta: 66.1MB). Free memory was 91.2MB in the beginning and 159.2MB in the end (delta: -67.9MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,839 INFO L158 Benchmark]: Boogie Preprocessor took 545.05ms. Allocated memory is still 249.6MB. Free memory was 159.2MB in the beginning and 151.3MB in the end (delta: 7.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,840 INFO L158 Benchmark]: RCFGBuilder took 2774.59ms. Allocated memory was 249.6MB in the beginning and 419.4MB in the end (delta: 169.9MB). Free memory was 151.3MB in the beginning and 282.5MB in the end (delta: -131.2MB). Peak memory consumption was 150.9MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,840 INFO L158 Benchmark]: TraceAbstraction took 7824.38ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 282.0MB in the beginning and 305.5MB in the end (delta: -23.6MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-12-16 18:50:46,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 649.43ms. Allocated memory is still 183.5MB. Free memory was 135.9MB in the beginning and 91.2MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 457.46ms. Allocated memory was 183.5MB in the beginning and 249.6MB in the end (delta: 66.1MB). Free memory was 91.2MB in the beginning and 159.2MB in the end (delta: -67.9MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 545.05ms. Allocated memory is still 249.6MB. Free memory was 159.2MB in the beginning and 151.3MB in the end (delta: 7.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * RCFGBuilder took 2774.59ms. Allocated memory was 249.6MB in the beginning and 419.4MB in the end (delta: 169.9MB). Free memory was 151.3MB in the beginning and 282.5MB in the end (delta: -131.2MB). Peak memory consumption was 150.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7824.38ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 282.0MB in the beginning and 305.5MB in the end (delta: -23.6MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 149. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_16 = 0; [L40] const SORT_4 var_39 = 1; [L41] const SORT_4 var_40 = 0; [L42] const SORT_2 var_47 = 1; [L43] const SORT_3 var_49 = 0; [L44] const SORT_4 var_52 = 2; [L45] const SORT_2 var_62 = 0; [L47] SORT_1 input_48; [L48] SORT_1 input_56; [L49] SORT_1 input_63; [L50] SORT_1 input_69; [L51] SORT_1 input_95; [L52] SORT_1 input_99; [L53] SORT_1 input_102; [L54] SORT_1 input_103; [L55] SORT_1 input_109; [L56] SORT_1 input_115; [L57] SORT_1 input_130; [L58] SORT_1 input_148; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L60] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L61] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L62] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L63] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L64] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L65] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L66] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L67] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L68] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L69] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L71] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L72] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L73] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L74] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L75] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_2 init_7_arg_1 = var_5; [L78] state_6 = init_7_arg_1 [L79] SORT_2 init_9_arg_1 = var_5; [L80] state_8 = init_9_arg_1 [L81] SORT_2 init_11_arg_1 = var_5; [L82] state_10 = init_11_arg_1 [L83] SORT_2 init_13_arg_1 = var_5; [L84] state_12 = init_13_arg_1 [L85] SORT_2 init_15_arg_1 = var_5; [L86] state_14 = init_15_arg_1 [L87] SORT_1 init_18_arg_1 = var_16; [L88] state_17 = init_18_arg_1 [L89] SORT_1 init_20_arg_1 = var_16; [L90] state_19 = init_20_arg_1 [L91] SORT_1 init_22_arg_1 = var_16; [L92] state_21 = init_22_arg_1 [L93] SORT_1 init_24_arg_1 = var_16; [L94] state_23 = init_24_arg_1 [L95] SORT_1 init_26_arg_1 = var_16; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_16; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_30_arg_1 = var_16; [L100] state_29 = init_30_arg_1 [L101] SORT_1 init_32_arg_1 = var_16; [L102] state_31 = init_32_arg_1 [L103] SORT_1 init_34_arg_1 = var_16; [L104] state_33 = init_34_arg_1 [L105] SORT_1 init_36_arg_1 = var_16; [L106] state_35 = init_36_arg_1 [L107] SORT_1 init_38_arg_1 = var_16; [L108] state_37 = init_38_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L111] input_48 = __VERIFIER_nondet_uchar() [L112] input_56 = __VERIFIER_nondet_uchar() [L113] input_63 = __VERIFIER_nondet_uchar() [L114] input_69 = __VERIFIER_nondet_uchar() [L115] input_95 = __VERIFIER_nondet_uchar() [L116] EXPR input_95 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L116] input_95 = input_95 & mask_SORT_1 [L117] input_99 = __VERIFIER_nondet_uchar() [L118] EXPR input_99 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L118] input_99 = input_99 & mask_SORT_1 [L119] input_102 = __VERIFIER_nondet_uchar() [L120] EXPR input_102 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L120] input_102 = input_102 & mask_SORT_1 [L121] input_103 = __VERIFIER_nondet_uchar() [L122] EXPR input_103 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L122] input_103 = input_103 & mask_SORT_1 [L123] input_109 = __VERIFIER_nondet_uchar() [L124] EXPR input_109 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L124] input_109 = input_109 & mask_SORT_1 [L125] input_115 = __VERIFIER_nondet_uchar() [L126] EXPR input_115 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L126] input_115 = input_115 & mask_SORT_1 [L127] input_130 = __VERIFIER_nondet_uchar() [L128] input_148 = __VERIFIER_nondet_uchar() [L131] SORT_1 var_41_arg_0 = state_25; [L132] SORT_4 var_41_arg_1 = var_39; [L133] SORT_4 var_41_arg_2 = var_40; [L134] SORT_4 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L135] SORT_1 var_42_arg_0 = state_35; [L136] SORT_4 var_42_arg_1 = var_39; [L137] SORT_4 var_42_arg_2 = var_40; [L138] SORT_4 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L139] SORT_4 var_43_arg_0 = var_41; [L140] SORT_4 var_43_arg_1 = var_42; [L141] SORT_4 var_43 = var_43_arg_0 + var_43_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L142] EXPR var_43 & mask_SORT_4 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L142] var_43 = var_43 & mask_SORT_4 [L143] SORT_4 var_44_arg_0 = var_43; [L144] SORT_4 var_44_arg_1 = var_39; [L145] SORT_1 var_44 = var_44_arg_0 <= var_44_arg_1; [L146] SORT_1 var_45_arg_0 = ~state_37; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45_arg_0=255, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L147] EXPR var_45_arg_0 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45_arg_0=255, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L147] var_45_arg_0 = var_45_arg_0 & mask_SORT_1 [L148] SORT_1 var_45_arg_1 = ~var_44; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45_arg_0=1, var_45_arg_1=254, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L149] EXPR var_45_arg_1 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45_arg_0=1, var_45_arg_1=254, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L149] var_45_arg_1 = var_45_arg_1 & mask_SORT_1 [L150] EXPR var_45_arg_0 & var_45_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45_arg_0=1, var_45_arg_1=1, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L150] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L151] EXPR var_45 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_41_arg_2=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_42_arg_2=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=1, var_44_arg_0=0, var_44_arg_1=1, var_45=1, var_45_arg_0=1, var_45_arg_1=1, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L151] var_45 = var_45 & mask_SORT_1 [L152] SORT_1 bad_46_arg_0 = var_45; [L153] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 856 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16110 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16110 mSDsluCounter, 35497 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25130 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5340 IncrementalHoareTripleChecker+Invalid, 5351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 10367 mSDtfsCounter, 5340 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=7, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 3196 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 548 NumberOfCodeBlocks, 548 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 18:50:46,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...