/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-pr-ci_file-9.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 09:06:09,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 09:06:09,241 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 09:06:09,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 09:06:09,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 09:06:09,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 09:06:09,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 09:06:09,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 09:06:09,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 09:06:09,280 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 09:06:09,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 09:06:09,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 09:06:09,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 09:06:09,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 09:06:09,283 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 09:06:09,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 09:06:09,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 09:06:09,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 09:06:09,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 09:06:09,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 09:06:09,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 09:06:09,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 09:06:09,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 09:06:09,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 09:06:09,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 09:06:09,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 09:06:09,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 09:06:09,286 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 09:06:09,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 09:06:09,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 09:06:09,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 09:06:09,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 09:06:09,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:06:09,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 09:06:09,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 09:06:09,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 09:06:09,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 09:06:09,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 09:06:09,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 09:06:09,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 09:06:09,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 09:06:09,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 09:06:09,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 09:06:09,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 09:06:09,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 09:06:09,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 09:06:09,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 09:06:09,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 09:06:09,565 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 09:06:09,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-12-19 09:06:10,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 09:06:10,950 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 09:06:10,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-12-19 09:06:10,961 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a37b9cc66/3fe36632a46c437388a2bf0bfd417017/FLAG825c573bc [2023-12-19 09:06:10,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a37b9cc66/3fe36632a46c437388a2bf0bfd417017 [2023-12-19 09:06:10,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 09:06:10,981 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 09:06:10,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 09:06:10,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 09:06:10,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 09:06:10,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:06:10" (1/1) ... [2023-12-19 09:06:10,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2d9c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:10, skipping insertion in model container [2023-12-19 09:06:10,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 09:06:10" (1/1) ... [2023-12-19 09:06:11,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 09:06:11,153 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-pr-ci_file-9.i[918,931] [2023-12-19 09:06:11,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:06:11,232 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 09:06:11,240 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-pr-ci_file-9.i[918,931] [2023-12-19 09:06:11,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 09:06:11,288 INFO L206 MainTranslator]: Completed translation [2023-12-19 09:06:11,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11 WrapperNode [2023-12-19 09:06:11,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 09:06:11,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 09:06:11,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 09:06:11,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 09:06:11,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,355 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-12-19 09:06:11,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 09:06:11,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 09:06:11,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 09:06:11,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 09:06:11,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,408 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 09:06:11,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 09:06:11,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 09:06:11,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 09:06:11,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 09:06:11,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (1/1) ... [2023-12-19 09:06:11,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 09:06:11,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:11,462 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 09:06:11,495 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 09:06:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 09:06:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 09:06:11,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 09:06:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 09:06:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 09:06:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 09:06:11,608 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 09:06:11,610 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 09:06:11,985 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 09:06:12,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 09:06:12,013 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 09:06:12,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:06:12 BoogieIcfgContainer [2023-12-19 09:06:12,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 09:06:12,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 09:06:12,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 09:06:12,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 09:06:12,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 09:06:10" (1/3) ... [2023-12-19 09:06:12,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2c8c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:06:12, skipping insertion in model container [2023-12-19 09:06:12,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 09:06:11" (2/3) ... [2023-12-19 09:06:12,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2c8c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 09:06:12, skipping insertion in model container [2023-12-19 09:06:12,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:06:12" (3/3) ... [2023-12-19 09:06:12,024 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-9.i [2023-12-19 09:06:12,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 09:06:12,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 09:06:12,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 09:06:12,098 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66d00dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 09:06:12,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 09:06:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 63 states have internal predecessors, (100), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 09:06:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:12,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:12,116 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:12,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:12,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:12,122 INFO L85 PathProgramCache]: Analyzing trace with hash 147668834, now seen corresponding path program 1 times [2023-12-19 09:06:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:12,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434814731] [2023-12-19 09:06:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:12,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:12,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434814731] [2023-12-19 09:06:12,357 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 09:06:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997060207] [2023-12-19 09:06:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:12,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:12,360 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 09:06:12,384 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 09:06:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:12,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 09:06:12,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-12-19 09:06:12,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:12,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997060207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:12,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:12,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 09:06:12,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774447056] [2023-12-19 09:06:12,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:12,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 09:06:12,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:12,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 09:06:12,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 09:06:12,658 INFO L87 Difference]: Start difference. First operand has 84 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 63 states have internal predecessors, (100), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 09:06:12,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:12,718 INFO L93 Difference]: Finished difference Result 165 states and 293 transitions. [2023-12-19 09:06:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 09:06:12,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2023-12-19 09:06:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:12,731 INFO L225 Difference]: With dead ends: 165 [2023-12-19 09:06:12,731 INFO L226 Difference]: Without dead ends: 82 [2023-12-19 09:06:12,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 09:06:12,739 INFO L413 NwaCegarLoop]: 129 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, 129 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 09:06:12,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:06:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-19 09:06:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-12-19 09:06:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.540983606557377) internal successors, (94), 61 states have internal predecessors, (94), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 09:06:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 132 transitions. [2023-12-19 09:06:12,810 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 132 transitions. Word has length 133 [2023-12-19 09:06:12,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:12,811 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 132 transitions. [2023-12-19 09:06:12,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 09:06:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2023-12-19 09:06:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:12,823 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:12,823 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:12,836 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 09:06:13,030 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 09:06:13,031 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:13,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1495568356, now seen corresponding path program 1 times [2023-12-19 09:06:13,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:13,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927545437] [2023-12-19 09:06:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:13,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:13,118 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:13,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604669165] [2023-12-19 09:06:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:13,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:13,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:13,128 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 09:06:13,152 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 09:06:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:13,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 09:06:13,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:13,329 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:13,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:13,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927545437] [2023-12-19 09:06:13,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:13,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604669165] [2023-12-19 09:06:13,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604669165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:13,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:13,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:06:13,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488720334] [2023-12-19 09:06:13,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:13,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:06:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:06:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:06:13,336 INFO L87 Difference]: Start difference. First operand 82 states and 132 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:13,378 INFO L93 Difference]: Finished difference Result 164 states and 265 transitions. [2023-12-19 09:06:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:06:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:13,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:13,384 INFO L225 Difference]: With dead ends: 164 [2023-12-19 09:06:13,384 INFO L226 Difference]: Without dead ends: 83 [2023-12-19 09:06:13,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 09:06:13,386 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:13,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:06:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-19 09:06:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-19 09:06:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.532258064516129) internal successors, (95), 62 states have internal predecessors, (95), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 09:06:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 133 transitions. [2023-12-19 09:06:13,399 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 133 transitions. Word has length 133 [2023-12-19 09:06:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:13,402 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 133 transitions. [2023-12-19 09:06:13,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2023-12-19 09:06:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:13,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:13,406 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:13,419 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 09:06:13,613 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 09:06:13,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:13,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:13,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1276713638, now seen corresponding path program 1 times [2023-12-19 09:06:13,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:13,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101882278] [2023-12-19 09:06:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:13,667 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:13,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237208056] [2023-12-19 09:06:13,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:13,670 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 09:06:13,681 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 09:06:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:13,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 09:06:13,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:13,852 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:13,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:13,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101882278] [2023-12-19 09:06:13,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:13,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237208056] [2023-12-19 09:06:13,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237208056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:13,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:06:13,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490252411] [2023-12-19 09:06:13,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:13,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:06:13,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:13,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:06:13,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:06:13,856 INFO L87 Difference]: Start difference. First operand 83 states and 133 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:13,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:13,933 INFO L93 Difference]: Finished difference Result 232 states and 370 transitions. [2023-12-19 09:06:13,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:06:13,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:13,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:13,940 INFO L225 Difference]: With dead ends: 232 [2023-12-19 09:06:13,940 INFO L226 Difference]: Without dead ends: 150 [2023-12-19 09:06:13,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 09:06:13,946 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 103 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:13,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 294 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 09:06:13,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-19 09:06:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2023-12-19 09:06:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 112 states have (on average 1.5) internal successors, (168), 113 states have internal predecessors, (168), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-19 09:06:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 232 transitions. [2023-12-19 09:06:13,974 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 232 transitions. Word has length 133 [2023-12-19 09:06:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:13,975 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 232 transitions. [2023-12-19 09:06:13,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 232 transitions. [2023-12-19 09:06:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:13,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:13,980 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:13,990 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 09:06:14,190 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 09:06:14,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:14,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:14,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1669740648, now seen corresponding path program 1 times [2023-12-19 09:06:14,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088300392] [2023-12-19 09:06:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:14,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:14,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062153720] [2023-12-19 09:06:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:14,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:14,245 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 09:06:14,266 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 09:06:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:14,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 09:06:14,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:14,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:14,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:14,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088300392] [2023-12-19 09:06:14,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062153720] [2023-12-19 09:06:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062153720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:14,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:14,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:06:14,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864339528] [2023-12-19 09:06:14,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:14,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:06:14,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:06:14,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:06:14,641 INFO L87 Difference]: Start difference. First operand 147 states and 232 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:14,998 INFO L93 Difference]: Finished difference Result 497 states and 783 transitions. [2023-12-19 09:06:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 09:06:14,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:15,004 INFO L225 Difference]: With dead ends: 497 [2023-12-19 09:06:15,004 INFO L226 Difference]: Without dead ends: 351 [2023-12-19 09:06:15,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:06:15,009 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 305 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:15,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 398 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 09:06:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-19 09:06:15,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 319. [2023-12-19 09:06:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 272 states have (on average 1.5661764705882353) internal successors, (426), 275 states have internal predecessors, (426), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 09:06:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 510 transitions. [2023-12-19 09:06:15,043 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 510 transitions. Word has length 133 [2023-12-19 09:06:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:15,044 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 510 transitions. [2023-12-19 09:06:15,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 510 transitions. [2023-12-19 09:06:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:15,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:15,046 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:15,058 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 09:06:15,253 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 09:06:15,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:15,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash 819788314, now seen corresponding path program 1 times [2023-12-19 09:06:15,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:15,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167786937] [2023-12-19 09:06:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:15,283 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:15,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920394176] [2023-12-19 09:06:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:15,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:15,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:15,285 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 09:06:15,289 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 09:06:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:15,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 09:06:15,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:15,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:15,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:15,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167786937] [2023-12-19 09:06:15,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:15,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920394176] [2023-12-19 09:06:15,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920394176] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:15,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:15,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:06:15,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146271752] [2023-12-19 09:06:15,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:15,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:06:15,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:15,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:06:15,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:06:15,634 INFO L87 Difference]: Start difference. First operand 319 states and 510 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:16,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:16,002 INFO L93 Difference]: Finished difference Result 673 states and 1065 transitions. [2023-12-19 09:06:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 09:06:16,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:16,005 INFO L225 Difference]: With dead ends: 673 [2023-12-19 09:06:16,005 INFO L226 Difference]: Without dead ends: 355 [2023-12-19 09:06:16,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:06:16,007 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 209 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:16,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 486 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 09:06:16,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-12-19 09:06:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 258. [2023-12-19 09:06:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 211 states have (on average 1.5260663507109005) internal successors, (322), 214 states have internal predecessors, (322), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 09:06:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 406 transitions. [2023-12-19 09:06:16,023 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 406 transitions. Word has length 133 [2023-12-19 09:06:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:16,023 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 406 transitions. [2023-12-19 09:06:16,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2023-12-19 09:06:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:16,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:16,025 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:16,035 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 09:06:16,232 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 09:06:16,233 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:16,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1607701034, now seen corresponding path program 1 times [2023-12-19 09:06:16,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:16,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696559838] [2023-12-19 09:06:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:16,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:16,265 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:16,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499391341] [2023-12-19 09:06:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:16,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:16,267 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 09:06:16,287 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 09:06:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:16,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 09:06:16,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:16,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:16,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696559838] [2023-12-19 09:06:16,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:16,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499391341] [2023-12-19 09:06:16,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499391341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:16,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:16,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:06:16,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113362170] [2023-12-19 09:06:16,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:16,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:06:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:06:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:06:16,612 INFO L87 Difference]: Start difference. First operand 258 states and 406 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:16,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:16,940 INFO L93 Difference]: Finished difference Result 611 states and 960 transitions. [2023-12-19 09:06:16,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 09:06:16,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:16,942 INFO L225 Difference]: With dead ends: 611 [2023-12-19 09:06:16,943 INFO L226 Difference]: Without dead ends: 354 [2023-12-19 09:06:16,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:06:16,944 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 201 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:16,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 578 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 09:06:16,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-19 09:06:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 323. [2023-12-19 09:06:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 276 states have (on average 1.5579710144927537) internal successors, (430), 279 states have internal predecessors, (430), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 09:06:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 514 transitions. [2023-12-19 09:06:16,959 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 514 transitions. Word has length 133 [2023-12-19 09:06:16,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:16,959 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 514 transitions. [2023-12-19 09:06:16,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 514 transitions. [2023-12-19 09:06:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-19 09:06:16,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:16,961 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:16,971 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 09:06:17,168 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 09:06:17,169 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:17,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash 881827928, now seen corresponding path program 1 times [2023-12-19 09:06:17,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:17,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764622490] [2023-12-19 09:06:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:17,189 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:17,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795110458] [2023-12-19 09:06:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:17,191 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 09:06:17,210 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 09:06:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:17,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 09:06:17,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:17,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:17,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:17,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764622490] [2023-12-19 09:06:17,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:17,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795110458] [2023-12-19 09:06:17,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795110458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:17,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:17,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 09:06:17,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848704778] [2023-12-19 09:06:17,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:17,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 09:06:17,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 09:06:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 09:06:17,555 INFO L87 Difference]: Start difference. First operand 323 states and 514 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:18,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:18,015 INFO L93 Difference]: Finished difference Result 680 states and 1072 transitions. [2023-12-19 09:06:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 09:06:18,016 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2023-12-19 09:06:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:18,018 INFO L225 Difference]: With dead ends: 680 [2023-12-19 09:06:18,018 INFO L226 Difference]: Without dead ends: 358 [2023-12-19 09:06:18,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-19 09:06:18,020 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 187 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:18,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 644 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 09:06:18,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-12-19 09:06:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 262. [2023-12-19 09:06:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 215 states have (on average 1.5162790697674418) internal successors, (326), 218 states have internal predecessors, (326), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-19 09:06:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 410 transitions. [2023-12-19 09:06:18,042 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 410 transitions. Word has length 133 [2023-12-19 09:06:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:18,043 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 410 transitions. [2023-12-19 09:06:18,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 410 transitions. [2023-12-19 09:06:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-19 09:06:18,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:18,044 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:18,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 09:06:18,253 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 09:06:18,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:18,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:18,254 INFO L85 PathProgramCache]: Analyzing trace with hash -146494339, now seen corresponding path program 1 times [2023-12-19 09:06:18,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:18,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467285294] [2023-12-19 09:06:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:18,273 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:18,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572426388] [2023-12-19 09:06:18,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:18,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:18,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:18,274 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 09:06:18,284 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 09:06:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:18,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-19 09:06:18,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:18,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:18,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:18,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467285294] [2023-12-19 09:06:18,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:18,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572426388] [2023-12-19 09:06:18,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572426388] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:18,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:18,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 09:06:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079473970] [2023-12-19 09:06:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:18,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 09:06:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 09:06:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-19 09:06:18,455 INFO L87 Difference]: Start difference. First operand 262 states and 410 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:18,644 INFO L93 Difference]: Finished difference Result 685 states and 1044 transitions. [2023-12-19 09:06:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 09:06:18,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-12-19 09:06:18,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:18,648 INFO L225 Difference]: With dead ends: 685 [2023-12-19 09:06:18,648 INFO L226 Difference]: Without dead ends: 424 [2023-12-19 09:06:18,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-19 09:06:18,650 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 67 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:18,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 504 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:06:18,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-12-19 09:06:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 372. [2023-12-19 09:06:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 313 states have (on average 1.4696485623003195) internal successors, (460), 320 states have internal predecessors, (460), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 43 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 09:06:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 560 transitions. [2023-12-19 09:06:18,675 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 560 transitions. Word has length 135 [2023-12-19 09:06:18,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:18,675 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 560 transitions. [2023-12-19 09:06:18,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 560 transitions. [2023-12-19 09:06:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-19 09:06:18,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:18,677 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:18,689 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 09:06:18,889 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 09:06:18,890 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:18,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1369877245, now seen corresponding path program 1 times [2023-12-19 09:06:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641063722] [2023-12-19 09:06:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:18,913 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:18,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873436011] [2023-12-19 09:06:18,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:18,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:18,915 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 09:06:18,932 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 09:06:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 09:06:19,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 09:06:19,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 09:06:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 09:06:19,058 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 09:06:19,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 09:06:19,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641063722] [2023-12-19 09:06:19,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 09:06:19,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873436011] [2023-12-19 09:06:19,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873436011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 09:06:19,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 09:06:19,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 09:06:19,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592650517] [2023-12-19 09:06:19,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 09:06:19,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 09:06:19,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 09:06:19,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 09:06:19,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 09:06:19,060 INFO L87 Difference]: Start difference. First operand 372 states and 560 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 09:06:19,163 INFO L93 Difference]: Finished difference Result 1102 states and 1658 transitions. [2023-12-19 09:06:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 09:06:19,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-12-19 09:06:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 09:06:19,171 INFO L225 Difference]: With dead ends: 1102 [2023-12-19 09:06:19,171 INFO L226 Difference]: Without dead ends: 731 [2023-12-19 09:06:19,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 09:06:19,174 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 107 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 09:06:19,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 216 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 09:06:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2023-12-19 09:06:19,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 576. [2023-12-19 09:06:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 517 states have (on average 1.4970986460348163) internal successors, (774), 524 states have internal predecessors, (774), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 43 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 09:06:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 874 transitions. [2023-12-19 09:06:19,212 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 874 transitions. Word has length 135 [2023-12-19 09:06:19,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 09:06:19,213 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 874 transitions. [2023-12-19 09:06:19,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 09:06:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 874 transitions. [2023-12-19 09:06:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-19 09:06:19,215 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 09:06:19,216 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:19,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 09:06:19,423 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 09:06:19,423 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 09:06:19,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 09:06:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1371724287, now seen corresponding path program 1 times [2023-12-19 09:06:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 09:06:19,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754402326] [2023-12-19 09:06:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 09:06:19,442 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 09:06:19,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437036132] [2023-12-19 09:06:19,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 09:06:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 09:06:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 09:06:19,444 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 09:06:19,449 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 09:06:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:06:19,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 09:06:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 09:06:19,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 09:06:19,738 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 09:06:19,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 09:06:19,750 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 09:06:19,947 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 09:06:19,950 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 09:06:19,953 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 09:06:20,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 09:06:20 BoogieIcfgContainer [2023-12-19 09:06:20,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 09:06:20,042 INFO L158 Benchmark]: Toolchain (without parser) took 9060.67ms. Allocated memory was 189.8MB in the beginning and 329.3MB in the end (delta: 139.5MB). Free memory was 136.4MB in the beginning and 235.4MB in the end (delta: -99.0MB). Peak memory consumption was 40.7MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,042 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 189.8MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 09:06:20,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.67ms. Allocated memory is still 189.8MB. Free memory was 136.2MB in the beginning and 121.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.82ms. Allocated memory is still 189.8MB. Free memory was 121.2MB in the beginning and 117.9MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,042 INFO L158 Benchmark]: Boogie Preprocessor took 74.48ms. Allocated memory is still 189.8MB. Free memory was 117.8MB in the beginning and 161.1MB in the end (delta: -43.3MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,043 INFO L158 Benchmark]: RCFGBuilder took 582.21ms. Allocated memory is still 189.8MB. Free memory was 160.6MB in the beginning and 133.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,043 INFO L158 Benchmark]: TraceAbstraction took 8025.34ms. Allocated memory was 189.8MB in the beginning and 329.3MB in the end (delta: 139.5MB). Free memory was 133.3MB in the beginning and 235.4MB in the end (delta: -102.1MB). Peak memory consumption was 36.8MB. Max. memory is 8.0GB. [2023-12-19 09:06:20,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 189.8MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 304.67ms. Allocated memory is still 189.8MB. Free memory was 136.2MB in the beginning and 121.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.82ms. Allocated memory is still 189.8MB. Free memory was 121.2MB in the beginning and 117.9MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.48ms. Allocated memory is still 189.8MB. Free memory was 117.8MB in the beginning and 161.1MB in the end (delta: -43.3MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * RCFGBuilder took 582.21ms. Allocated memory is still 189.8MB. Free memory was 160.6MB in the beginning and 133.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 8025.34ms. Allocated memory was 189.8MB in the beginning and 329.3MB in the end (delta: 139.5MB). Free memory was 133.3MB in the beginning and 235.4MB in the end (delta: -102.1MB). Peak memory consumption was 36.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 161, overapproximation of shiftLeft at line 169, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 169. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] signed short int var_1_3 = 1; [L24] signed long int var_1_5 = -64; [L25] signed char var_1_6 = 10; [L26] signed char var_1_7 = 5; [L27] double var_1_8 = 16.25; [L28] double var_1_9 = 1.8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 64; [L31] unsigned short int var_1_12 = 16; [L32] unsigned long int var_1_13 = 128; [L33] unsigned char var_1_15 = 1; [L34] unsigned short int var_1_16 = 256; [L35] signed char var_1_18 = -2; [L36] unsigned long int var_1_19 = 50; [L37] unsigned char var_1_23 = 64; [L38] unsigned short int var_1_26 = 32; [L39] unsigned short int var_1_28 = 64; [L40] float var_1_30 = -0.2; [L41] float var_1_32 = -0.375; [L42] float var_1_33 = 1.4; [L43] float var_1_35 = 1.5; [L44] unsigned char last_1_var_1_10 = 32; [L45] unsigned short int last_1_var_1_12 = 16; [L46] unsigned long int last_1_var_1_13 = 128; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L164] last_1_var_1_10 = var_1_10 [L165] last_1_var_1_12 = var_1_12 [L166] last_1_var_1_13 = var_1_13 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L133] var_1_3 = __VERIFIER_nondet_short() [L134] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L134] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] CALL assume_abort_if_not(var_1_3 <= 8) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L135] RET assume_abort_if_not(var_1_3 <= 8) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=-64, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L136] var_1_5 = __VERIFIER_nondet_long() [L137] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L137] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L138] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L139] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L140] var_1_6 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_6 >= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L141] RET assume_abort_if_not(var_1_6 >= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] CALL assume_abort_if_not(var_1_6 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L142] RET assume_abort_if_not(var_1_6 <= 12) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=5, var_1_8=65/4, var_1_9=9/5] [L143] var_1_7 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L144] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] CALL assume_abort_if_not(var_1_7 <= 6) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L145] RET assume_abort_if_not(var_1_7 <= 6) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=65/4, var_1_9=9/5] [L146] var_1_8 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L147] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_9=9/5] [L148] var_1_9 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=64, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L150] var_1_11 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L151] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L152] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L152] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=1, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L154] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L156] var_1_30 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L157] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L158] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L159] var_1_32 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L160] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L161] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L161] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L177] RET updateVariables() [L178] CALL step() [L50] COND TRUE ((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10 [L51] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L53] COND FALSE !(((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) == (~ 16u)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=32, var_1_11=2, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=7/5, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0] [L58] var_1_33 = var_1_8 [L59] signed long int stepLocal_2 = last_1_var_1_12 + var_1_7; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=32, var_1_11=2, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L60] COND TRUE var_1_6 <= stepLocal_2 [L61] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L65] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=128, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L65] COND FALSE !((1 << var_1_10) != (-500 / -100)) [L72] var_1_13 = var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=-2, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L74] var_1_18 = var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L75] COND TRUE var_1_10 <= var_1_6 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L76] COND FALSE !(var_1_10 <= (((((var_1_6) < (var_1_3)) ? (var_1_6) : (var_1_3))) / var_1_6)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L90] signed long int stepLocal_4 = (((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64))); [L91] unsigned char stepLocal_3 = var_1_10; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=256, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L92] COND FALSE !((- var_1_9) <= var_1_8) [L105] var_1_16 = var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L107] COND FALSE !((var_1_8 / var_1_30) > ((((var_1_8 / var_1_32) < 0 ) ? -(var_1_8 / var_1_32) : (var_1_8 / var_1_32)))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L112] signed long int stepLocal_1 = (var_1_10 & 0) * var_1_5; VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L113] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_1=0, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L113] signed long int stepLocal_0 = var_1_16 >> var_1_3; [L114] COND FALSE !(stepLocal_0 == (var_1_10 / var_1_5)) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=2, stepLocal_1=0, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L121] COND FALSE !(var_1_15 || var_1_15) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=2, stepLocal_1=0, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L124] COND FALSE !(((256 - var_1_7) <= (var_1_10 + var_1_6)) || var_1_15) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, stepLocal_0=2, stepLocal_1=0, stepLocal_2=16, stepLocal_3=2, stepLocal_4=2, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR var_1_16 >> var_1_3 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR ((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR 1 << var_1_10 VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169] EXPR (((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6))) VAL [isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L169-L170] return (((((((var_1_16 >> var_1_3) == (var_1_10 / var_1_5)) ? (((var_1_3 << (var_1_6 - var_1_7)) > ((var_1_10 & 0) * var_1_5)) ? (var_1_1 == ((double) ((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_1 == ((double) var_1_8))) : 1) && ((var_1_6 <= (last_1_var_1_12 + var_1_7)) ? (var_1_10 == ((unsigned char) var_1_11)) : (var_1_10 == ((unsigned char) (var_1_3 + var_1_7))))) && ((((var_1_6 >> 2) * last_1_var_1_13) > last_1_var_1_10) ? (var_1_12 == ((unsigned short int) var_1_6)) : 1)) && (((1 << var_1_10) != (-500 / -100)) ? (((var_1_6 - var_1_3) >= (var_1_12 + 256)) ? (var_1_13 == ((unsigned long int) var_1_11)) : (var_1_13 == ((unsigned long int) var_1_12))) : (var_1_13 == ((unsigned long int) var_1_6)))) && (((- var_1_9) <= var_1_8) ? (var_1_15 ? ((((((var_1_11) > ((var_1_12 * -64))) ? (var_1_11) : ((var_1_12 * -64)))) < var_1_12) ? ((var_1_13 == var_1_10) ? (var_1_16 == ((unsigned short int) var_1_11)) : 1) : (var_1_16 == ((unsigned short int) 256))) : (var_1_16 == ((unsigned short int) var_1_3))) : (var_1_16 == ((unsigned short int) var_1_10)))) && (var_1_18 == ((signed char) var_1_3)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=32, last_1_var_1_12=16, last_1_var_1_13=128, var_1_10=2, var_1_11=2, var_1_12=12, var_1_13=12, var_1_15=0, var_1_16=2, var_1_18=0, var_1_19=50, var_1_1=11/2, var_1_23=64, var_1_26=32, var_1_28=64, var_1_33=2, var_1_35=3/2, var_1_3=0, var_1_5=2, var_1_6=12, var_1_7=0, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 10, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1179 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1179 mSDsluCounter, 3500 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2221 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1643 IncrementalHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 1279 mSDtfsCounter, 1643 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1210 GetRequests, 1165 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=9, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 466 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 2800 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2937 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 6156/6156 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 09:06:20,076 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...