/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 09:38:32,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 09:38:32,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 09:38:32,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 09:38:32,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 09:38:32,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 09:38:32,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 09:38:32,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 09:38:32,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 09:38:32,785 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 09:38:32,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 09:38:32,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 09:38:32,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 09:38:32,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 09:38:32,787 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 09:38:32,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 09:38:32,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 09:38:32,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 09:38:32,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 09:38:32,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 09:38:32,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 09:38:32,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 09:38:32,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 09:38:32,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 09:38:32,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 09:38:32,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 09:38:32,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 09:38:32,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:38:32,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 09:38:32,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 09:38:32,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 09:38:32,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 09:38:32,793 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 09:38:32,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 09:38:32,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 09:38:32,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 09:38:32,999 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 09:38:33,001 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 09:38:33,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i [2023-12-19 09:38:34,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 09:38:34,361 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 09:38:34,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i [2023-12-19 09:38:34,371 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb823c27/c713829f614640c3942ea486c1aa45d6/FLAGef77dcb76 [2023-12-19 09:38:34,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb823c27/c713829f614640c3942ea486c1aa45d6 [2023-12-19 09:38:34,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 09:38:34,386 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 09:38:34,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 09:38:34,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 09:38:34,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 09:38:34,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ce1f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34, skipping insertion in model container [2023-12-19 09:38:34,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 09:38:34,535 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i[919,932] [2023-12-19 09:38:34,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:38:34,615 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 09:38:34,625 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i[919,932] [2023-12-19 09:38:34,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:38:34,697 INFO L206 MainTranslator]: Completed translation [2023-12-19 09:38:34,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34 WrapperNode [2023-12-19 09:38:34,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 09:38:34,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 09:38:34,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 09:38:34,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 09:38:34,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,761 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-12-19 09:38:34,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 09:38:34,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 09:38:34,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 09:38:34,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 09:38:34,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,785 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,805 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 09:38:34,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 09:38:34,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 09:38:34,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 09:38:34,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 09:38:34,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (1/1) ... [2023-12-19 09:38:34,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:38:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:34,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 09:38:34,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 09:38:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 09:38:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 09:38:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 09:38:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 09:38:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 09:38:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 09:38:35,034 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 09:38:35,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 09:38:35,402 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 09:38:35,466 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 09:38:35,467 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 09:38:35,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:38:35 BoogieIcfgContainer [2023-12-19 09:38:35,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 09:38:35,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 09:38:35,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 09:38:35,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 09:38:35,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:38:34" (1/3) ... [2023-12-19 09:38:35,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205678f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:38:35, skipping insertion in model container [2023-12-19 09:38:35,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:38:34" (2/3) ... [2023-12-19 09:38:35,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205678f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:38:35, skipping insertion in model container [2023-12-19 09:38:35,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:38:35" (3/3) ... [2023-12-19 09:38:35,474 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-42.i [2023-12-19 09:38:35,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 09:38:35,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 09:38:35,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 09:38:35,554 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;@48046e28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 09:38:35,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 09:38:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 09:38:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 09:38:35,602 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:35,603 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:35,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:35,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:35,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1564126426, now seen corresponding path program 1 times [2023-12-19 09:38:35,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:35,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16286389] [2023-12-19 09:38:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:35,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:35,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16286389] [2023-12-19 09:38:35,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 09:38:35,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087138848] [2023-12-19 09:38:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:35,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:35,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 09:38:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:35,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 09:38:35,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-12-19 09:38:35,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:38:35,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087138848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:38:35,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:38:35,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 09:38:35,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041210596] [2023-12-19 09:38:35,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:38:35,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 09:38:35,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:36,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 09:38:36,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 09:38:36,014 INFO L87 Difference]: Start difference. First operand has 67 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:36,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:36,038 INFO L93 Difference]: Finished difference Result 130 states and 230 transitions. [2023-12-19 09:38:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 09:38:36,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 126 [2023-12-19 09:38:36,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:36,047 INFO L225 Difference]: With dead ends: 130 [2023-12-19 09:38:36,047 INFO L226 Difference]: Without dead ends: 64 [2023-12-19 09:38:36,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 09:38:36,056 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:36,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:38:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-19 09:38:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-19 09:38:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 09:38:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions. [2023-12-19 09:38:36,099 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 126 [2023-12-19 09:38:36,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:36,100 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 100 transitions. [2023-12-19 09:38:36,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2023-12-19 09:38:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 09:38:36,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:36,104 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:36,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:36,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 09:38:36,310 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:36,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:36,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1010312746, now seen corresponding path program 1 times [2023-12-19 09:38:36,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:36,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753739515] [2023-12-19 09:38:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:36,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:36,348 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:36,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987889965] [2023-12-19 09:38:36,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:36,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:36,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:36,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:36,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 09:38:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:36,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 09:38:36,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 09:38:36,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:38:36,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753739515] [2023-12-19 09:38:36,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987889965] [2023-12-19 09:38:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987889965] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:38:36,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:38:36,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:38:36,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68814752] [2023-12-19 09:38:36,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:38:36,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:38:36,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:36,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:38:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:38:36,540 INFO L87 Difference]: Start difference. First operand 64 states and 100 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:36,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:36,601 INFO L93 Difference]: Finished difference Result 167 states and 260 transitions. [2023-12-19 09:38:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:38:36,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2023-12-19 09:38:36,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:36,603 INFO L225 Difference]: With dead ends: 167 [2023-12-19 09:38:36,603 INFO L226 Difference]: Without dead ends: 104 [2023-12-19 09:38:36,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:38:36,605 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 54 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:36,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 179 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:38:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-19 09:38:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2023-12-19 09:38:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 76 states have (on average 1.486842105263158) internal successors, (113), 77 states have internal predecessors, (113), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 09:38:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 157 transitions. [2023-12-19 09:38:36,623 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 157 transitions. Word has length 126 [2023-12-19 09:38:36,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:36,625 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 157 transitions. [2023-12-19 09:38:36,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2023-12-19 09:38:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 09:38:36,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:36,628 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:36,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:36,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 09:38:36,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:36,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:36,835 INFO L85 PathProgramCache]: Analyzing trace with hash -398433898, now seen corresponding path program 1 times [2023-12-19 09:38:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131905020] [2023-12-19 09:38:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:36,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:36,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906425451] [2023-12-19 09:38:36,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:36,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:36,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:36,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 09:38:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:36,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 09:38:37,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 09:38:37,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:38:37,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:37,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131905020] [2023-12-19 09:38:37,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:37,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906425451] [2023-12-19 09:38:37,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906425451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:38:37,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:38:37,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:38:37,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753011677] [2023-12-19 09:38:37,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:38:37,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 09:38:37,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:37,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 09:38:37,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 09:38:37,164 INFO L87 Difference]: Start difference. First operand 101 states and 157 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:37,280 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2023-12-19 09:38:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 09:38:37,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2023-12-19 09:38:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:37,289 INFO L225 Difference]: With dead ends: 301 [2023-12-19 09:38:37,289 INFO L226 Difference]: Without dead ends: 201 [2023-12-19 09:38:37,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 09:38:37,294 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 41 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:37,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:38:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-19 09:38:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2023-12-19 09:38:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.4666666666666666) internal successors, (220), 152 states have internal predecessors, (220), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-19 09:38:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 308 transitions. [2023-12-19 09:38:37,333 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 308 transitions. Word has length 126 [2023-12-19 09:38:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:37,333 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 308 transitions. [2023-12-19 09:38:37,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 308 transitions. [2023-12-19 09:38:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 09:38:37,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:37,335 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:37,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:37,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:37,542 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:37,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:37,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1207780524, now seen corresponding path program 1 times [2023-12-19 09:38:37,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:37,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171750951] [2023-12-19 09:38:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:37,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:37,578 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:37,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959737722] [2023-12-19 09:38:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:37,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:37,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:37,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:37,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 09:38:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:37,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 09:38:37,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-12-19 09:38:37,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 09:38:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-19 09:38:37,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171750951] [2023-12-19 09:38:37,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959737722] [2023-12-19 09:38:37,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959737722] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 09:38:37,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 09:38:37,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 09:38:37,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152335352] [2023-12-19 09:38:37,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 09:38:37,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:38:37,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:38:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:38:37,888 INFO L87 Difference]: Start difference. First operand 199 states and 308 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-19 09:38:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:38,018 INFO L93 Difference]: Finished difference Result 346 states and 527 transitions. [2023-12-19 09:38:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 09:38:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 126 [2023-12-19 09:38:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:38,020 INFO L225 Difference]: With dead ends: 346 [2023-12-19 09:38:38,020 INFO L226 Difference]: Without dead ends: 148 [2023-12-19 09:38:38,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:38:38,021 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 103 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:38,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 179 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:38:38,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-19 09:38:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 143. [2023-12-19 09:38:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 98 states have internal predecessors, (129), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-19 09:38:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 209 transitions. [2023-12-19 09:38:38,036 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 209 transitions. Word has length 126 [2023-12-19 09:38:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:38,036 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 209 transitions. [2023-12-19 09:38:38,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-19 09:38:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2023-12-19 09:38:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-19 09:38:38,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:38,038 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:38,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:38,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:38,244 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:38,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:38,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1685645866, now seen corresponding path program 1 times [2023-12-19 09:38:38,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:38,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052282140] [2023-12-19 09:38:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:38,288 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:38,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084767147] [2023-12-19 09:38:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:38,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:38,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:38,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:38,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 09:38:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:38,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-19 09:38:38,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 09:38:38,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:38:38,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052282140] [2023-12-19 09:38:38,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:38,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084767147] [2023-12-19 09:38:38,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084767147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:38:38,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:38:38,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 09:38:38,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743665671] [2023-12-19 09:38:38,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:38:38,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 09:38:38,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:38,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 09:38:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 09:38:38,721 INFO L87 Difference]: Start difference. First operand 143 states and 209 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:38,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:38,854 INFO L93 Difference]: Finished difference Result 358 states and 525 transitions. [2023-12-19 09:38:38,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 09:38:38,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2023-12-19 09:38:38,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:38,858 INFO L225 Difference]: With dead ends: 358 [2023-12-19 09:38:38,858 INFO L226 Difference]: Without dead ends: 226 [2023-12-19 09:38:38,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 09:38:38,860 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 108 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:38,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 304 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:38:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-12-19 09:38:38,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 185. [2023-12-19 09:38:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 123 states have internal predecessors, (159), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 09:38:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 267 transitions. [2023-12-19 09:38:38,896 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 267 transitions. Word has length 126 [2023-12-19 09:38:38,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:38,897 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 267 transitions. [2023-12-19 09:38:38,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 267 transitions. [2023-12-19 09:38:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-19 09:38:38,899 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:38,900 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:38,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:39,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:39,124 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:39,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:39,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1548999853, now seen corresponding path program 1 times [2023-12-19 09:38:39,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:39,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975228914] [2023-12-19 09:38:39,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:39,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:39,157 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:39,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893684615] [2023-12-19 09:38:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:39,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:39,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:39,170 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:39,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 09:38:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:39,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 09:38:39,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 401 proven. 45 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-12-19 09:38:39,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 09:38:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 51 proven. 48 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2023-12-19 09:38:39,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:39,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975228914] [2023-12-19 09:38:39,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:39,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893684615] [2023-12-19 09:38:39,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893684615] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 09:38:39,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 09:38:39,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-12-19 09:38:39,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299310792] [2023-12-19 09:38:39,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 09:38:39,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-19 09:38:39,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:39,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-19 09:38:39,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-12-19 09:38:39,921 INFO L87 Difference]: Start difference. First operand 185 states and 267 transitions. Second operand has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (36), 4 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-19 09:38:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:41,357 INFO L93 Difference]: Finished difference Result 1078 states and 1485 transitions. [2023-12-19 09:38:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-19 09:38:41,357 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (36), 4 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) Word has length 127 [2023-12-19 09:38:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:41,361 INFO L225 Difference]: With dead ends: 1078 [2023-12-19 09:38:41,361 INFO L226 Difference]: Without dead ends: 946 [2023-12-19 09:38:41,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2179 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1587, Invalid=5055, Unknown=0, NotChecked=0, Total=6642 [2023-12-19 09:38:41,364 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 925 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:41,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 870 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 09:38:41,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2023-12-19 09:38:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 363. [2023-12-19 09:38:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 251 states have (on average 1.2709163346613546) internal successors, (319), 251 states have internal predecessors, (319), 90 states have call successors, (90), 21 states have call predecessors, (90), 21 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-12-19 09:38:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 499 transitions. [2023-12-19 09:38:41,401 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 499 transitions. Word has length 127 [2023-12-19 09:38:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:41,401 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 499 transitions. [2023-12-19 09:38:41,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 20 states have internal predecessors, (93), 6 states have call successors, (36), 4 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2023-12-19 09:38:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 499 transitions. [2023-12-19 09:38:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-19 09:38:41,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:41,402 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:41,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:41,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:41,610 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:41,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:41,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2135805867, now seen corresponding path program 1 times [2023-12-19 09:38:41,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:41,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100877368] [2023-12-19 09:38:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:41,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:41,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [8862413] [2023-12-19 09:38:41,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:41,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:41,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:41,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:41,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 09:38:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:41,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 09:38:41,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 158 proven. 84 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-19 09:38:42,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 09:38:50,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100877368] [2023-12-19 09:38:50,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8862413] [2023-12-19 09:38:50,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8862413] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 09:38:50,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 09:38:50,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-12-19 09:38:50,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412694846] [2023-12-19 09:38:50,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 09:38:50,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 09:38:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:50,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 09:38:50,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=111, Unknown=2, NotChecked=0, Total=182 [2023-12-19 09:38:50,037 INFO L87 Difference]: Start difference. First operand 363 states and 499 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 09:38:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:50,242 INFO L93 Difference]: Finished difference Result 881 states and 1200 transitions. [2023-12-19 09:38:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 09:38:50,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 127 [2023-12-19 09:38:50,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:50,247 INFO L225 Difference]: With dead ends: 881 [2023-12-19 09:38:50,247 INFO L226 Difference]: Without dead ends: 570 [2023-12-19 09:38:50,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=133, Invalid=207, Unknown=2, NotChecked=0, Total=342 [2023-12-19 09:38:50,249 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:50,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 247 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:38:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2023-12-19 09:38:50,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2023-12-19 09:38:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 388 states have (on average 1.268041237113402) internal successors, (492), 388 states have internal predecessors, (492), 126 states have call successors, (126), 35 states have call predecessors, (126), 35 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2023-12-19 09:38:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 744 transitions. [2023-12-19 09:38:50,288 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 744 transitions. Word has length 127 [2023-12-19 09:38:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:50,289 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 744 transitions. [2023-12-19 09:38:50,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-19 09:38:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 744 transitions. [2023-12-19 09:38:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-19 09:38:50,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:50,290 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:50,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-19 09:38:50,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:50,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:50,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:50,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2025147923, now seen corresponding path program 1 times [2023-12-19 09:38:50,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:50,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440276516] [2023-12-19 09:38:50,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:50,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:50,524 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:50,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050895180] [2023-12-19 09:38:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:50,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:50,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:50,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:50,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 09:38:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:50,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-19 09:38:50,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:51,479 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-12-19 09:38:51,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 09:38:52,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:52,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440276516] [2023-12-19 09:38:52,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:52,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050895180] [2023-12-19 09:38:52,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050895180] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 09:38:52,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 09:38:52,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-12-19 09:38:52,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878432609] [2023-12-19 09:38:52,060 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 09:38:52,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 09:38:52,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 09:38:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-12-19 09:38:52,061 INFO L87 Difference]: Start difference. First operand 550 states and 744 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:53,749 INFO L93 Difference]: Finished difference Result 1337 states and 1800 transitions. [2023-12-19 09:38:53,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 09:38:53,749 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2023-12-19 09:38:53,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:53,753 INFO L225 Difference]: With dead ends: 1337 [2023-12-19 09:38:53,753 INFO L226 Difference]: Without dead ends: 851 [2023-12-19 09:38:53,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2023-12-19 09:38:53,755 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 128 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:53,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 550 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 09:38:53,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2023-12-19 09:38:53,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 788. [2023-12-19 09:38:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 556 states have (on average 1.2464028776978417) internal successors, (693), 556 states have internal predecessors, (693), 180 states have call successors, (180), 51 states have call predecessors, (180), 51 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2023-12-19 09:38:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1053 transitions. [2023-12-19 09:38:53,809 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1053 transitions. Word has length 127 [2023-12-19 09:38:53,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:53,809 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1053 transitions. [2023-12-19 09:38:53,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1053 transitions. [2023-12-19 09:38:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-19 09:38:53,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:53,810 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:53,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:54,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 09:38:54,016 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:54,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:54,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1718638185, now seen corresponding path program 1 times [2023-12-19 09:38:54,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946456323] [2023-12-19 09:38:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:54,032 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:54,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335001541] [2023-12-19 09:38:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:54,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:54,033 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:54,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 09:38:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:54,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 09:38:54,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 09:38:54,139 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:38:54,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:54,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946456323] [2023-12-19 09:38:54,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:54,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335001541] [2023-12-19 09:38:54,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335001541] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:38:54,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:38:54,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:38:54,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466084980] [2023-12-19 09:38:54,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:38:54,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:38:54,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:38:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:38:54,141 INFO L87 Difference]: Start difference. First operand 788 states and 1053 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:54,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:54,234 INFO L93 Difference]: Finished difference Result 1018 states and 1369 transitions. [2023-12-19 09:38:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:38:54,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2023-12-19 09:38:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:54,239 INFO L225 Difference]: With dead ends: 1018 [2023-12-19 09:38:54,239 INFO L226 Difference]: Without dead ends: 788 [2023-12-19 09:38:54,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:38:54,240 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 11 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 160 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 [2023-12-19 09:38:54,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 160 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:38:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-12-19 09:38:54,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2023-12-19 09:38:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 556 states have (on average 1.2392086330935252) internal successors, (689), 556 states have internal predecessors, (689), 180 states have call successors, (180), 51 states have call predecessors, (180), 51 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2023-12-19 09:38:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1049 transitions. [2023-12-19 09:38:54,344 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1049 transitions. Word has length 127 [2023-12-19 09:38:54,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:54,347 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1049 transitions. [2023-12-19 09:38:54,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 09:38:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1049 transitions. [2023-12-19 09:38:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-19 09:38:54,348 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:54,348 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:54,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-19 09:38:54,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:54,555 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:54,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:54,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1766982485, now seen corresponding path program 1 times [2023-12-19 09:38:54,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:54,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169721937] [2023-12-19 09:38:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:54,579 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:54,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745861479] [2023-12-19 09:38:54,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:54,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:54,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:54,599 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:54,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 09:38:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:38:54,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-19 09:38:54,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:38:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-12-19 09:38:55,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 09:38:56,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:38:56,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169721937] [2023-12-19 09:38:56,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:38:56,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745861479] [2023-12-19 09:38:56,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745861479] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 09:38:56,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-19 09:38:56,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-12-19 09:38:56,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409562022] [2023-12-19 09:38:56,419 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-19 09:38:56,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 09:38:56,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:38:56,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 09:38:56,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-12-19 09:38:56,421 INFO L87 Difference]: Start difference. First operand 788 states and 1049 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:38:57,903 INFO L93 Difference]: Finished difference Result 1561 states and 2067 transitions. [2023-12-19 09:38:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 09:38:57,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2023-12-19 09:38:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:38:57,907 INFO L225 Difference]: With dead ends: 1561 [2023-12-19 09:38:57,908 INFO L226 Difference]: Without dead ends: 1329 [2023-12-19 09:38:57,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2023-12-19 09:38:57,909 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 162 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:38:57,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 518 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 09:38:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2023-12-19 09:38:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1165. [2023-12-19 09:38:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 831 states have (on average 1.2442839951865223) internal successors, (1034), 834 states have internal predecessors, (1034), 258 states have call successors, (258), 75 states have call predecessors, (258), 75 states have return successors, (258), 255 states have call predecessors, (258), 258 states have call successors, (258) [2023-12-19 09:38:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1550 transitions. [2023-12-19 09:38:58,010 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1550 transitions. Word has length 127 [2023-12-19 09:38:58,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:38:58,010 INFO L495 AbstractCegarLoop]: Abstraction has 1165 states and 1550 transitions. [2023-12-19 09:38:58,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 09:38:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1550 transitions. [2023-12-19 09:38:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-19 09:38:58,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:38:58,011 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:58,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 09:38:58,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 09:38:58,218 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:38:58,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:38:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash -454350459, now seen corresponding path program 1 times [2023-12-19 09:38:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:38:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415630302] [2023-12-19 09:38:58,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:38:58,238 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:38:58,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145197981] [2023-12-19 09:38:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:38:58,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:38:58,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:38:58,253 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 09:38:58,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 09:38:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:38:58,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 09:38:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:38:58,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 09:38:58,524 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 09:38:58,525 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 09:38:58,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-19 09:38:58,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 09:38:58,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:38:58,738 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 09:38:58,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 09:38:58 BoogieIcfgContainer [2023-12-19 09:38:58,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 09:38:58,837 INFO L158 Benchmark]: Toolchain (without parser) took 24450.84ms. Allocated memory was 333.4MB in the beginning and 562.0MB in the end (delta: 228.6MB). Free memory was 288.3MB in the beginning and 472.9MB in the end (delta: -184.6MB). Peak memory consumption was 45.0MB. Max. memory is 8.0GB. [2023-12-19 09:38:58,837 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory was 162.8MB in the beginning and 162.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 09:38:58,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.12ms. Allocated memory is still 333.4MB. Free memory was 287.9MB in the beginning and 272.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 09:38:58,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.55ms. Allocated memory is still 333.4MB. Free memory was 272.6MB in the beginning and 268.0MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 09:38:58,838 INFO L158 Benchmark]: Boogie Preprocessor took 95.97ms. Allocated memory is still 333.4MB. Free memory was 268.0MB in the beginning and 261.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 09:38:58,838 INFO L158 Benchmark]: RCFGBuilder took 608.78ms. Allocated memory is still 333.4MB. Free memory was 261.7MB in the beginning and 234.1MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-19 09:38:58,838 INFO L158 Benchmark]: TraceAbstraction took 23367.41ms. Allocated memory was 333.4MB in the beginning and 562.0MB in the end (delta: 228.6MB). Free memory was 233.4MB in the beginning and 472.9MB in the end (delta: -239.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 09:38:58,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory was 162.8MB in the beginning and 162.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 311.12ms. Allocated memory is still 333.4MB. Free memory was 287.9MB in the beginning and 272.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.55ms. Allocated memory is still 333.4MB. Free memory was 272.6MB in the beginning and 268.0MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.97ms. Allocated memory is still 333.4MB. Free memory was 268.0MB in the beginning and 261.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 608.78ms. Allocated memory is still 333.4MB. Free memory was 261.7MB in the beginning and 234.1MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 23367.41ms. Allocated memory was 333.4MB in the beginning and 562.0MB in the end (delta: 228.6MB). Free memory was 233.4MB in the beginning and 472.9MB in the end (delta: -239.5MB). There was no memory consumed. 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: 19]: 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 someBinaryFLOATComparisonOperation at line 177, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] float var_1_26 = 500.65; [L38] float var_1_30 = 9.8; [L39] unsigned char var_1_31 = 4; [L40] unsigned short int var_1_34 = 1; [L41] unsigned long int var_1_35 = 10; [L42] unsigned char var_1_36 = 10; [L43] unsigned char var_1_38 = 16; [L44] unsigned char var_1_39 = 0; [L45] unsigned short int var_1_40 = 10; [L46] unsigned short int var_1_41 = 128; [L47] unsigned short int var_1_42 = 40597; [L48] signed short int last_1_var_1_1 = 16; [L49] unsigned char last_1_var_1_6 = 10; [L50] unsigned char last_1_var_1_8 = 1; [L51] signed short int last_1_var_1_13 = 200; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L171] last_1_var_1_1 = var_1_1 [L172] last_1_var_1_6 = var_1_6 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_13 = var_1_13 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L142] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L143] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L143] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=128, var_1_8=1] [L144] var_1_7 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L145] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L146] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L146] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L150] var_1_12 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L151] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L152] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L154] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L155] var_1_16 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L156] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L157] var_1_20 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L158] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L159] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L159] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=16, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L160] var_1_38 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L161] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L162] CALL assume_abort_if_not(var_1_38 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L162] RET assume_abort_if_not(var_1_38 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L163] var_1_39 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L164] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L165] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L165] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=40597, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L166] var_1_42 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_42 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L167] RET assume_abort_if_not(var_1_42 >= 32767) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_42 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L168] RET assume_abort_if_not(var_1_42 <= 65534) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] COND TRUE var_1_11 || var_1_8 [L56] var_1_21 = ((var_1_7 > -4) || var_1_11) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L58] COND FALSE !(((var_1_1 + 25) % var_1_7) < 2) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=49/5, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L61] COND TRUE (- var_1_15) < ((((var_1_14) > (var_1_16)) ? (var_1_14) : (var_1_16))) [L62] var_1_30 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=4, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L64] COND TRUE ((((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) < (var_1_5)) ? (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) : (var_1_5))) <= var_1_1 [L65] var_1_31 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=1, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L67] COND TRUE var_1_6 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) [L68] var_1_34 = ((((((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) > (var_1_7)) ? (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) : (var_1_7))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=10, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L70] COND TRUE \read(var_1_11) [L71] var_1_35 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=10, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L73] COND TRUE \read(var_1_11) [L74] var_1_36 = (var_1_7 - var_1_38) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=10, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L78] COND TRUE (- var_1_7) != var_1_6 [L79] var_1_40 = var_1_39 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=128, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L81] COND FALSE !(var_1_7 <= (~ var_1_7)) [L86] var_1_41 = var_1_6 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L88] signed long int stepLocal_6 = last_1_var_1_1; [L89] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L90] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L91] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L94] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L99] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L102] COND FALSE !(var_1_5 >= -2) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L105] unsigned char stepLocal_4 = var_1_6; [L106] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L107] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L108] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L109] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L116] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L117] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L120] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=10, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L121] COND TRUE \read(var_1_19) [L122] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=10, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L128] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L129] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=10, stepLocal_1=254, stepLocal_2=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=1] [L130] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L137] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=10, stepLocal_1=254, stepLocal_2=1, stepLocal_3=0, stepLocal_4=10, stepLocal_5=0, stepLocal_6=16, stepLocal_7=10, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=254, var_1_14=2, var_1_16=2, var_1_17=16, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=1, var_1_26=10013/20, var_1_30=2, var_1_31=254, var_1_34=254, var_1_35=254, var_1_36=253, var_1_38=1, var_1_39=0, var_1_40=0, var_1_41=10, var_1_42=65534, var_1_5=-127, var_1_6=10, var_1_7=254, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.2s, OverallIterations: 11, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1635 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1627 mSDsluCounter, 3308 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2400 mSDsCounter, 601 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2062 IncrementalHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 601 mSolverCounterUnsat, 908 mSDtfsCounter, 2062 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1945 GetRequests, 1780 SyntacticMatches, 2 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2419 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1165occurred in iteration=10, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 881 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 1519 NumberOfCodeBlocks, 1519 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1506 ConstructedInterpolants, 1 QuantifiedInterpolants, 8082 SizeOfPredicates, 36 NumberOfNonLiveVariables, 3358 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 6999/7344 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 [2023-12-19 09:38:58,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...